On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina v
... interesting , if possible , to ascertain the reason for this difference . The idea seemed to me a good one , and I devoted myself to a study of the question , with the result which will be found in the following pages . This inquiry led ...
... interesting , if possible , to ascertain the reason for this difference . The idea seemed to me a good one , and I devoted myself to a study of the question , with the result which will be found in the following pages . This inquiry led ...
Pagina 13
... ' I long wondered what could be the purpose or the advantage to the tree of this remarkable 1 This interesting subject is dealt with more fully in my book on Seedlings . shape . One idea which occurred to me was that. ON BUDS 13.
... ' I long wondered what could be the purpose or the advantage to the tree of this remarkable 1 This interesting subject is dealt with more fully in my book on Seedlings . shape . One idea which occurred to me was that. ON BUDS 13.
Pagina 18
... interesting case of the growth of a new plant at the end of the stalk of a detached leaf . The plant in question is a garden hybrid belonging to the same family as Gloxinia ( fig . 21 ) . The leaf was taken from a plant which was just ...
... interesting case of the growth of a new plant at the end of the stalk of a detached leaf . The plant in question is a garden hybrid belonging to the same family as Gloxinia ( fig . 21 ) . The leaf was taken from a plant which was just ...
Pagina 36
... interesting in this respect . The upper leaves have stipules , while the lower ones have none . Now the lower leaves have broad leaf - bases , which effectually protect the bud , and they are exstipulate ; the upper leaves , on the ...
... interesting in this respect . The upper leaves have stipules , while the lower ones have none . Now the lower leaves have broad leaf - bases , which effectually protect the bud , and they are exstipulate ; the upper leaves , on the ...
Pagina 40
... interesting case is that of Viburnum.1 We have in this country two wild species of this genus - one , Viburnum Lantana ( usually known as the Wayfaring Tree ) ( fig . 55 ) ; the other , Viburnum Opulus ( fig . 56 ) . They are not rare ...
... interesting case is that of Viburnum.1 We have in this country two wild species of this genus - one , Viburnum Lantana ( usually known as the Wayfaring Tree ) ( fig . 55 ) ; the other , Viburnum Opulus ( fig . 56 ) . They are not rare ...
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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...