* * * *
Although the shadows were beginning to lengthen, the Rift was like a furnace. The water in the canteen was hot. Ricky and Big Sword sat in the slightly cooler earth on the north of a boulder and contemplated the forest lying away to the left -not the forest they knew, but the strange trees of the farther side.
Big Sword’s goggle eyes did not register emotion, but Ricky could feel the stir of curiosity in him. Big Sword was already reaching out to new streams, new treetops, new bare places that would be warm in the sun. For himself Ricky could only think about the two miles remaining to be walked.
He had hopelessly underestimated the time it would take him to pick his way through eight miles of boulders, too hot for the hand, walking on sliding shingle; he had managed less than two miles an hour. But now he had to get on. He stirred himself, got Big Sword perched again on his shoulder and re-strapped the canteen, lighter now but still a burden.
He had gone perhaps a dozen strides when the shadow of the heliflier came up behind and settled over his head.
Ricky started to run. There was no sense to it, and Big Sword disliked the effects, but he ran just the same, with the water sloshing about on his back. The shadow of the flier slid forward a hundred yards and it began to come down over a comparatively level place. Ricky swerved sideways. He heard a shout echo among the boulders, but the echo of combined relief and exasperation in his mind rang louder.
‘Ricky! Stop and talk! Whatever it is, I’ll help. There’s no sense in running. If I get in touch with your father, there’ll be another flier and several people here in twenty minutes. Stop! Listen to me, will you, you—’
The shouts echoed on for a moment, but the thought had stopped.
* * * *
Dr Scott came whirling up through hot red mists to find herself lying beside a fire. A very hot fire, in a stone fireplace. It didn’t make sense. Warm water was being sloshed across her face and there was a murmur of voices - two of them.
‘She hit her head. That’s all. She fainted. She’ll come round in a minute. Then you’ll hear her. It isn’t sleep, no - not exactly. What’s the matter? Why don’t you—’
The second voice was no more than a vague murmur of curiosity; it was beginning to sound irritated as well.
Ellen remembered that she had been running among a lot of boulders and had twisted her foot. No doubt she had hit her head when she fell; certainly it ached. But what had she been doing that for?
She opened her eyes.
Ricky’s anxious face hung directly above her and he was pouring water from his cupped hand on to her forehead. Beside him was—
Ellen winced and shut her eyes.
‘Dr Scott. Please!’ Ricky sounded worried. ‘Are you hurt?’
‘Delirious, I think,’ said Ellen faintly. She opened her eyes again. ‘Where did it go?’
Ricky’s face was a study in doubt and other emotions. Ellen put a hand to the aching spot of the back of her head and began very cautiously to sit up.
‘Come on, Ricky,’ she said firmly. ‘Who were you talking to?’
‘Aloud?’ said Ricky, in tones of surprise. ‘Oh, so that’s why he couldn’t hear.’
Ellen shut her eyes again. ‘I’m the one with concussion, not you,’ she pointed out. ‘Who couldn’t hear?’
‘Well, his name’s Big Sword,’ said Ricky doubtfully. ‘More or less, that is. He says he’s coming back, anyway.’
Ellen opened her eyes once more. They focused on the region of Ricky’s right ear. Laid gently over it was a skinny black hand with four long, many-jointed fingers. A slender arm stole into view, attached to what might have been a medium-sized potato that had happened to grow black. On top of this was perched a head about the size of a large egg. The greater part of this was occupied by two large light-grey eyes with slit pupils and dully shining surfaces. They goggled at her solemnly.
Once again she was aware of a vague murmur of curiosity, not divisible into words.
Ellen drew a deep breath. ‘Ricky, this ... this friend of yours. Why did you bring him here?’
Ricky studied her face earnestly. ‘It was my idea, not his, Dr Scott. I wanted to get to the forest over there. To the other side of the Rift.’
‘But why?’
Ricky shook his head.
‘It wasn’t that at all. It was my idea, I tell you, not Big Sword’s. He didn’t... didn’t hypnotize me. He wouldn’t have done it to Barney except that he couldn’t think of anything else to do. And I’ve absolutely got to get there now!’
Ellen sat up and stared at him. ‘All right, Ricky. Listen, you tell me the reason. If it’s a good one ... well, I must let your father know you’re safe. But I won’t tell him where you are. I’ll fly you to the forest, and then back. How about that?’
Ricky breathed a sigh of relief. ‘Yes,’ he said. ‘Is Doc J. very worried?’
‘Worried? Listen, make it quick. I’m going to call him in ten minutes, whatever. What are you doing here?’
Ricky sighed and closed his eyes for a moment. ‘The idea began with the jellyfish, really,’ he said. ‘The male jellyfish in the lake.’
* * * *
The heliflier had completed the fifth sweep down the river to the sea; back up the river to the rapids, where many rafts of floating vegetation broke up and re-formed, making Jordan’s heart jump as he hovered above them; on up the river to the point he had fixed as farthest east. It was no good to fly over the forest; he had found that he could not pick up the search parties when he knew they were directly below him. The river was his only hope.
Nearly time to make another report. His hand was on the button of the radio when the speaker came suddenly to life.
‘Calling all search parties. John Jordan please answer. Can you hear?’
Jordan’s voice came out as a harsh croak. ‘I hear. Is he—’
‘Ricky’s safe. He’s with me now. Turn everyone home. But -listen. He had a good reason for going off as he did. He had something to do and it’s not finished. So I’m not going to tell you where we are.’
Jordan’ shouted something incoherent, but her voice overrode him.
‘It’s important, John. I don’t know if it will come off, but he must have a chance to try. You can probably find out where we are, but - don’t come. Do you understand?’
‘Ellen, is he really all right? And are you?’
‘Sure I’m all right. We’re going to remain all right. We’ll be back some time next morning. Oh, and Ricky says’ - her voice broke off for a moment - ‘Ricky says he is very sorry to have worried you, honestly he is, but it was urgent, and will you please not do anything to damage that Tree.’ There was a moment’s silence. ‘John? You haven’t done something to it already?’
‘I haven t, no.’
‘Don’t let anyone touch it. Good night, John. Sleep well.’
‘Ellen—’
The speaker clicked and was silent.
* * * *
The helifliers were designed for sleeping in, in an emergency but they were not air-conditioned. Ellen felt the compress on her head, which had long ceased to be cold, and envied bitterly Ricky’s ability to sleep under these conditions. A faint gleam of light from button-sized surfaces a couple of yards off showed that Big Sword was still sitting and watching as he had been doing ever since they lay down. Ellen wished bitterly that she had had the sense to lie beside the refrigerator so that she could get more cold water without having to lift her aching head.
The grey buttons moved. She felt small, strong fingers tugging gently at the compress. She lifted the pressure of her head and felt it go. There was a sound of faint movement and the click of the refrigerator door, with a momentary blast of lovely cold air. A few minutes later the compress, beautifully cold now, was poked carefully back under her head. She felt the thistledown touch of skinny fingers against her cheek.
‘Thank you,’ she murmured, and then, remembering, she repeated it inside her head, ‘Thank you, Big Sword.’
/>
* * * *
They had flown at dawn and the heliflier sat among the boulders at the foot of the cliff. Ellen and Ricky sat beside it, shivering a little in the morning cold, and waited.
Ellen looked at Ricky’s intent face. He could not hear strange members of the People distinctly, she had gathered, but he could usually detect their presence.
‘What does it feel like?’ she asked abruptly.
‘Hearing thoughts?’ Ricky considered. ‘It feels like thinking. You can’t really tell other thoughts from your own - unless they’ve been specially directed. That’s what made it all so very difficult.’
‘I see,’ Ellen sighed. What on Earth, or of it, could Ricky’s future be? True telepaths would not fit in Earth’s scheme of things.
‘I used to pick up thoughts all the time,’ Ricky went on. ‘I didn’t know that until I found out how to shut them off. It was a sort of fuzzy background to my thinking. Do you know, I think all real good thinkers must be people with no telepathy, or else they learn to shut it right off. Now I can do that I think much clearer.’
‘So you don’t overhear thoughts accidentally now?’ Ellen felt encouraged.
‘No, I don’t. I only get directed thoughts. I’m not going to overhear anyone ever again, it’s just a nuisance.’
‘Stick to that. I don’t think uncontrolled telepathy is much good to a human being.’
‘It isn’t. I tell you what, I think there are two ways of evolving communication, telepathy and communication between senses, and people who are good at the one aren’t good at the other. I’ll never be a real good communicator like the People, my mind doesn’t work the right way. But I’ll be good enough to be useful for research. I’m going to—’ Ricky broke off, seized his companion’s arm and pointed.
Ellen looked up at the cliff. It was about thirty feet high, here, with only a couple of six-inch ledges to break the sheer drop. Black foliage overhung it in places.
‘There!’ whispered Ricky. Slowly there came into view a black head the size of an egg - a black head in which eyes shone grey.
‘Is he coming back?’ whispered Ellen. ‘Has he given up, then?’
There was a faint rustling among the leaves. Ricky’s grip tightened painfully on her arm.
A second black head appeared beside the first.
* * * *
‘You see,’ said Ricky anxiously, ‘I didn’t really think you’d go and destroy the Tree straight off, but I couldn’t be sure. And everyone was angry with me about one thing or another and I didn’t know if they’d listen.’
‘Speaking for myself,’ said Woodman, ‘there were one or two moments when if I’d had a blaster handy the Tree would have been done for there and then.8
‘So you were just taking out insurance,’ said Jordan.
‘Yes, because if we found other Trees the species would continue anyway. Big Sword and I meant to ask you to help about that, later - the Journey, I mean - only then I thought we’d better try that straightaway in case I was stopped later. I thought if I could show people it was better than telling them.’
‘Isn’t Big Sword coming?’ said another of the party. The whole of the expedition, including even Barney, was seated around a square table raised on trestles in the centre of the clearing. Ricky nodded.
‘As soon as we’re ready,’ he said. ‘Now, if you like. But he bays if too many people think at him at once it may hurt, so he wants you to be ready to start talking if I give the signal.’
‘What about?’ said Cartwright.
‘Anything. Anything at all. Shall I call him?’
There was half a minute’s expectant silence. Then lightly as a grasshopper Big Sword flew over Ellen’s head and landed with a slight bounce in the centre of the table.
There was a simultaneous forward movement of heads as everybody bent to look at him, and he sat up and goggled out of pale bulging eyes. Then—
Most of them felt the sharp protest of discomfort before Ricky waved his hand. Nobody had really thought out what to say and there was a moment of silence, then somebody began to talk about the weather, the statistician began on the multiplication table, Jordan found himself muttering,’ ‘Twas brillig, and the slithy toves ...’ - after a minute or so only Ricky was still silent.
‘He says, he’ll go to one person after another, but the rest keep talking,’ reported Ricky presently. ‘You can ask him to do things if you like.’
Solemnly Big Sword went round the table, sitting for a few moments in front of each person, snapping out his membranes, revolving to present his back view, and then going on.
‘That’s him!’ said Barney as Big Sword came to a halt in front of him. ‘But how did he sting me?’
The spindly hand whipped to Big Sword’s flat thigh and flashed back holding a flat grey spike two and a half inches long. He held it out and Barney fingered the point in a gingerly fashion.
‘That’s the sword, is it?’ murmured Woodman. ‘Do they secrete it, Ricky?’
‘I think so, but I haven’t asked him.’
Woodman breathed out a long sigh.
‘This,’ he said, ‘is the answer to a biologist’s prayer.’
Big Sword bounced suddenly back into the middle of the table. ‘He’s tired,’ said Ricky. ‘He says he’ll send someone else another day.’ Ricky yawned uncontrollably as Big Sword took a flying leap off the table and hopped across the clearing. He had had a hard day the day before and a very early start this morning and a lot of excitement since.
‘Can we just have the story straight?’ said the statistician suddenly. ‘The biological story, I mean. You people may have been able to follow it through all the interruptions, but I didn’t. I gathered that Ricky had discovered the female of the species, but that’s all. How did they get lost?’
* * * *
‘I’ll tell it,’ said Jordan, looking at Ricky, who was nodding sleepily, ‘and Ricky can correct me. Big Sword’s People are the active and intelligent offspring of an organism which to all intents and purposes is a large tree. They are produced by an asexual budding process inside pods. When they are a year or so old they are seized by the urge to migrate across the Rift. They never knew why, and probably none of them ever got across. It occurred to Ricky that alternation of generations usually turns out to have sex at the bottom of it. Big Sword’s People couldn’t reproduce themselves - they simply hatched from the Tree. So Ricky thought that there might be another Tree on the other side of the Rift which produced females. And when I very foolishly considered destroying the Tree because of Woodman’s experience, he thought he had to go and find them straight off, so that at least the species would survive. And I’m glad to say he was quite right - they were there.’
‘You mean to say,’ said Cartwright, ‘that the Tree has been producing People for the last fifteen thousand years without a sexual generation at-all?9
‘Not necessarily,’ said Woodman. “There may have been several on this side of the Rift, at first, and this Tree may be the last offspring of a small population. It must have been an outlier, if so, because the migration was so firmly set for the west.’
‘And there’s another tree on the far side which produces females?’
‘There are two female trees and three that bear males, but two of the male ones are very old and have few offspring, and none of the seeds have been fertile for at least fifty generations. Apparently not many come to full maturity at the best of times, but this outcross may really save the species.’
‘And what exactly is the plan?’ demanded the statistician. ‘To ferry them across? What will they do when we leave?’
‘No,’ said Jordan. ‘We don’t propose to interfere more than we have to. The tragedy of the whole process was that the People who took the Journey almost certainly died on the way. Twelve miles in the sun, with no water, was too much for them. We propose to provide a green belt - a black belt rather - along the migration route. Tiven is looking into the possibilities—’
Tiv
en looked up from his slide rule. ‘Easy as π,’ he said cheerfully. ‘We can make the channel in a week, once we get the digger from First Base, and a cooker for concrete, and there are any number of streams which run down to the Waste and then vanish underground. It’s just a question of training one of them in the way it should go, and protecting it from evaporation in the first year or two until the vegetation gets thick enough.’
The conversation flowed on. But Ricky, his head resting en the table, was already asleep.
* * * *
Jordan stood at the edge of the Rift and looked over the embryo river-valley that Tiven had designed. Seedlings had been planted along the channel, in earth transported for that purpose, and were already taking hold. The revolving sun-cutters designed to protect them at this stage and to stop excessive evaporation gave the whole thing a mechanical air at present, but they would be done within a year or two; they were designed to go to dust then, so that even if the expedition had to leave they would not be left. There are places for poorly built things!