On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina xi
... same , still further advanced . PLATE IV At end of book 1-6 Leaf - buds of Fagus sylvatica in different stages of develop- ment . 7 Flower - bud of the same . ILLUSTRATIONS IN THE TEXT PAGE 3,4 Young Leaves of Hypericum.
... same , still further advanced . PLATE IV At end of book 1-6 Leaf - buds of Fagus sylvatica in different stages of develop- ment . 7 Flower - bud of the same . ILLUSTRATIONS IN THE TEXT PAGE 3,4 Young Leaves of Hypericum.
Pagina xiii
... develop- ment 59 100 , 101 Leaf Development in Galium Mollugo ( after Eichler ) . 60 102 , 103 104 105 , 106 Leaf Development in the Plane ( after Eichler ) . Diagrams illustrating Vernation ( after Linnæus ) Shoot of Uvaria purpurea ...
... develop- ment 59 100 , 101 Leaf Development in Galium Mollugo ( after Eichler ) . 60 102 , 103 104 105 , 106 Leaf Development in the Plane ( after Eichler ) . Diagrams illustrating Vernation ( after Linnæus ) Shoot of Uvaria purpurea ...
Pagina 5
... develop , successively protect the younger ones . A somewhat similar case is afforded by Uvaria ( figs . 105 , 106 , p . 70 ) ; and also by common Rhubarb , уг 2 FIG . 5. - MESEMBRYANTHEMUM . 7 , l , pair of leaves , connate , and ...
... develop , successively protect the younger ones . A somewhat similar case is afforded by Uvaria ( figs . 105 , 106 , p . 70 ) ; and also by common Rhubarb , уг 2 FIG . 5. - MESEMBRYANTHEMUM . 7 , l , pair of leaves , connate , and ...
Pagina 7
... developed and strengthened to protect the young and delicate leaves within . In Monocotyledons it is a general rule that the bases of the leaves enclose and well protect the bud . Though leaves and flowers come out with a sur- prising ...
... developed and strengthened to protect the young and delicate leaves within . In Monocotyledons it is a general rule that the bases of the leaves enclose and well protect the bud . Though leaves and flowers come out with a sur- prising ...
Pagina 10
... develop , but in some cases , as in Viburnum Opulus ( the Guelder Rose ) , Gymnocladus , & c . , these also perish , and as a rule only the lower ones grow , and the upper part of the stem dies back . The arrangement of the leaf in the ...
... develop , but in some cases , as in Viburnum Opulus ( the Guelder Rose ) , Gymnocladus , & c . , these also perish , and as a rule only the lower ones grow , and the upper part of the stem dies back . The arrangement of the leaf in the ...
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Termeni și expresii frecvente
apex axil axillary buds axis base Beech Bentham blade brown Bud Protection bud-scales Candolle completely covered concave conduplicate connate stipules cotyledons developed edges exstipulate fifth folded foliaceous genera genus glabrous glands growing-point growth Guaiacum officinale hairs hairy Helianthemum Hornbeam Horse Chestnut Hypericum calycinum Illustrations inner instance lamina Lantana lateral buds Lathyrus Lathyrus Aphaca Lathyrus Nissolia leaf leaf-base leaf-blade leaf-stalk leaflets length less lobes lower membranous midrib Monocotyledons narrow node ocrea Opulus outer scales ovate pair of leaves pair of stipules pedestal persistent petiole Petteria PLANE Platanus plant Polygonum protect the bud protect the young Robinia scale fig scar sheath showing side slightly sometimes species St FIG st st stalk stem stipular stipules belonging stipules fig stipules St subulate tendrils terminal bud triangular Tulip Tree upper Viburnum Viburnum Lantana Viburnum Opulus Whitebeam winter winter-bud Wych Elm young bud young leaves Young Shoot younger
Pasaje populare
Pagina 191 - The acacia, however, bears hollow thorns, while each leaflet produces honey in a craterformed gland at the base, and a small, sweet, pearshaped body at the tip. In consequence, it is inhabited by myriads of a small ant, which nests in the hollow thorns, and thus finds meat, drink, and lodging all provided for it. These ants are continually roaming over the plant, and constitute a most efficient body-guard, not only driving off the leaf-cutting ants, but, in Belt's opinion, rendering the leaves less...
Pagina 233 - ... the presence, the uses, and the forms of stipules, and the structure of buds in some of our common trees, shrubs, and herbs. If I shall have induced any of my readers to look at them for themselves in the coming spring they will, I am sure, be amply rewarded. They will often be reminded of Tennyson's profound remark about Nature : So careless of the single life, So careful of the type she seems...
Pagina 68 - Plants, p. 286. -purpwrea, which naturally sink at night (the plants growing out of doors), and looked at them early on several successive mornings, after they had assumed their diurnal positions. The difference in the amount of dew on the pinned-open leaflets and on those which had gone to sleep was generally conspicuous, the latter being sometimes absolutely dry. whilst the leaflets which had been horizontal were coated with large beads of dew. This shows how much cooler the leaflets fully exposed...