On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina vii
... Beech , Oak - Dormant Buds - Adventive Buds CHAPTER II ON STIPULES Vaucher's Problem : Why have some Rock Roses Stipules , and others none ? -Description of Stipules - Forms and size of Stipules Peach , Portugal Laurel , Pea , Pansy ...
... Beech , Oak - Dormant Buds - Adventive Buds CHAPTER II ON STIPULES Vaucher's Problem : Why have some Rock Roses Stipules , and others none ? -Description of Stipules - Forms and size of Stipules Peach , Portugal Laurel , Pea , Pansy ...
Pagina ix
... Beech , Hornbeam , Hazel Nut , Oak , Whitebeam - Protection by Connate Stip- ules : Elm , Wych Elm , Plane , Spanish Chestnut , Hop- Bud of Conifers - Scotch Fir - Picea - Cycas - Zamia . CHAPTER VI ON THE FORMS OF STIPULES Great ...
... Beech , Hornbeam , Hazel Nut , Oak , Whitebeam - Protection by Connate Stip- ules : Elm , Wych Elm , Plane , Spanish Chestnut , Hop- Bud of Conifers - Scotch Fir - Picea - Cycas - Zamia . CHAPTER VI ON THE FORMS OF STIPULES Great ...
Pagina xii
... Beech 20 Winter Bud of Oak 21 Achimenes Haageana , showing growth of new Plant from a Leaf - stalk ( after Goebel ) 22 Shoot of Helianthemum vulgare 23 Shoot of Helianthemum ælandicum 24 Leaf of Peach 25 Leaf of Portugal Laurel 26 ...
... Beech 20 Winter Bud of Oak 21 Achimenes Haageana , showing growth of new Plant from a Leaf - stalk ( after Goebel ) 22 Shoot of Helianthemum vulgare 23 Shoot of Helianthemum ælandicum 24 Leaf of Peach 25 Leaf of Portugal Laurel 26 ...
Pagina xiv
... Beech 131 211 Twig of Beech 133 FIG . PAGE 212 Bud of Hazel 135 213 , xiv BUDS AND STIPULES.
... Beech 131 211 Twig of Beech 133 FIG . PAGE 212 Bud of Hazel 135 213 , xiv BUDS AND STIPULES.
Pagina 15
... Beech . Both have a conical bud , and the young leaves are protected by stipules . I shall presently refer to them again from this point of view . For the moment I am dealing 1 Bull . Soc . Bot . France , 1888 , p . 327 . with the form ...
... Beech . Both have a conical bud , and the young leaves are protected by stipules . I shall presently refer to them again from this point of view . For the moment I am dealing 1 Bull . Soc . Bot . France , 1888 , p . 327 . with the form ...
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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...