On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina xv
... Outer Scales of Bud of Wych Elm . 148 263-268 Winter - bud of Plane . 149 269 Bud of Spanish Chestnut 151 270,271 End of Shoot of Hop 153 272-275 Bud of Scotch Fir . 154 , 155 286 287-291 292 Leaves of Nuttallia cerasiformis 276-285 Bud ...
... Outer Scales of Bud of Wych Elm . 148 263-268 Winter - bud of Plane . 149 269 Bud of Spanish Chestnut 151 270,271 End of Shoot of Hop 153 272-275 Bud of Scotch Fir . 154 , 155 286 287-291 292 Leaves of Nuttallia cerasiformis 276-285 Bud ...
Pagina 2
... outer ( lower ) leaf , which had only a single covering , has been killed by frost , while the suc- ceeding one , which had two wraps , has escaped . It is remarkable that some even in certain cases species of the same genus , often ...
... outer ( lower ) leaf , which had only a single covering , has been killed by frost , while the suc- ceeding one , which had two wraps , has escaped . It is remarkable that some even in certain cases species of the same genus , often ...
Pagina 3
... outer envelopes may be modified for the purpose . In some plants , especially those which are quick- B FIG . 2. - BEGONIA . A , shoot seen from above . B , shoot seen from one side . Reduced . growing or natives of tropical countries ...
... outer envelopes may be modified for the purpose . In some plants , especially those which are quick- B FIG . 2. - BEGONIA . A , shoot seen from above . B , shoot seen from one side . Reduced . growing or natives of tropical countries ...
Pagina 7
... outer envelopes of the bud are suf- FIG . 8 . FIG . 9 . UNOPENED BUDS OF NORWAY MAPLE . Enlarged . FIG . 8 shows a leaf - bud . FIG . 9 is also a flower - bud . ficiently developed and strengthened to protect the young and delicate ...
... outer envelopes of the bud are suf- FIG . 8 . FIG . 9 . UNOPENED BUDS OF NORWAY MAPLE . Enlarged . FIG . 8 shows a leaf - bud . FIG . 9 is also a flower - bud . ficiently developed and strengthened to protect the young and delicate ...
Pagina 16
... lie straight in the bud ; those of the Oak have not room to do so , and are , consequently , bent somewhat like a bow along the midrib . Now , if the outer edge were straight , the result would be that when the. 16 BUDS AND STIPULES.
... lie straight in the bud ; those of the Oak have not room to do so , and are , consequently , bent somewhat like a bow along the midrib . Now , if the outer edge were straight , the result would be that when the. 16 BUDS AND STIPULES.
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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
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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...