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Over waving corn, over fields all pink with sainfoin, she has covered the two miles and a half; and here she is, back at the nest, after foraging on the way, for the doughty creature arrives with her abdomen yellow with pollen. To come home again from the verge of the horizon is wonderful in itself; to come home with a well-filled pollen-brush is superlative economy.
Some holly-trees bear only male flowers, which have four stamens producing a rather small quantity of pollen, and a rudimentary pistil; other holly-trees bear only female flowers; these have a full-sized pistil, and four stamens with shrivelled anthers, in which not a grain of pollen can be detected.
"I had no idea it was so late! My motor must be waiting." She got to her feet. She looked very white and her eyes were tired; the translucent quality of the earlier hours was gone. "I'm worn out," she explained. "I've been going about too much. I must rest." She held her hand out to Mrs. Ennis; over her shoulder she spoke to Pollen. "No," she said. "Don't bother. I'll take myself home, thanks."
The attendant who prepared the suds touched his right hand to the four points of the pollen lines and in the center and placed it upon the head of the patient who first made a circle embracing the sand and basket and then knelt upon the boughs in the center of the sand. A handful of the suds was afterwards put upon his head.
He examined the dried glass plates from the vacuum drier. The fractionator turned itself off and he focused on and studied the slide it yielded. He inspected a sample of the dust he'd gotten from the garments that had been sprayed at the south gate. The dust contained common dust particles and pollen particles and thread particles and all sorts of microscopic debris.
I will spare you the familiar examples of the sensitive mimosa, the several insectivorous flowers and those whose stamens bend down and shake their pollen upon the entering bee in order that he may fertilize their distant mates. But observe this. In an open spot in my garden I planted a climbing vine. When it was barely above the surface I set a stake into the soil a yard away.
It is when, closing the book, we take away with us those seeds and subject them to the attrition of discussion, which wears off the pollen, that we arrive at, possibly, a new and valuable thought which may deserve the name of knowledge. "It seems to me your observations are nothing but opinions," said Mrs. Boyzy to me the other evening. She called it o-pin-ions.
The sun quickly dries the hole and gives it the necessary consistence. When the cell has acquired sufficient height, the Chalicodoma abandons its occupation of mason, and visits flowers for pollen and nectar wherewith to fill the little chamber. It goes back to the nest, disgorges its supply, and returns to the field, until the little cup of earth is full to the edge.
Each individual was nearly absolutely sterile when treated with its own pollen, and the aid of insects was of no avail. I intercrossed my plants artificially, and pollinated more than a thousand flowers. Not a single one gave a normal fruit, but some small and nearly rudimentary capsules were produced, bearing a few seeds.
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