On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 22
Pagina x
... Fall of the Leaf : Not a case of Death , but a Vital Process ; preparation for - The Effect of Climate - Length of Life of Leaves - Pine - Spruce - Silver Fir - Yew - Pinsapo - Arau- caria - Care taken by Nature to protect Buds ...
... Fall of the Leaf : Not a case of Death , but a Vital Process ; preparation for - The Effect of Climate - Length of Life of Leaves - Pine - Spruce - Silver Fir - Yew - Pinsapo - Arau- caria - Care taken by Nature to protect Buds ...
Pagina xix
... fall , see RENDLE , A. B. , ' Natural Science , ' i . 680 ( 1892 ) . Detailed accounts of observations on the stipules of many genera and species , arranged under their families , will be found in the following papers : LUBBOCK , Sir J ...
... fall , see RENDLE , A. B. , ' Natural Science , ' i . 680 ( 1892 ) . Detailed accounts of observations on the stipules of many genera and species , arranged under their families , will be found in the following papers : LUBBOCK , Sir J ...
Pagina 8
... fall of the latter . so that if we open a bud in the autumn we may find the rudiments not only of next year's leaves , but even of those of the spring following . There is a remarkable point about the Lime and some. 8 BUDS AND STIPULES.
... fall of the latter . so that if we open a bud in the autumn we may find the rudiments not only of next year's leaves , but even of those of the spring following . There is a remarkable point about the Lime and some. 8 BUDS AND STIPULES.
Pagina 9
... fall of the true terminal bud . I have found that even at the end of May the terminal buds of the Lime have almost all died and fallen away . But why do the terminal buds wither away ? In some cases the bud contains a definite number of ...
... fall of the true terminal bud . I have found that even at the end of May the terminal buds of the Lime have almost all died and fallen away . But why do the terminal buds wither away ? In some cases the bud contains a definite number of ...
Pagina 30
... fall of the leaf . p , pedestal or persistent base of petiole . st FIG . 39 . St FIG . 40 . PORTION OF SHOOT OF ASTRAGALUS CHINENSIS , showing stipules ( St ) connate at the base . Nat . size . FIG . 39. - Front view . FIG . 40. - Side ...
... fall of the leaf . p , pedestal or persistent base of petiole . st FIG . 39 . St FIG . 40 . PORTION OF SHOOT OF ASTRAGALUS CHINENSIS , showing stipules ( St ) connate at the base . Nat . size . FIG . 39. - Front view . FIG . 40. - Side ...
Alte ediții - Afișează-le pe toate
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...