On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina viii
... Leaves - Grew's Description - Position as- sumed by Buds - Diminution of Radiation - Darwin's Sug- gestion - Protection by Leaf - base , by Modified Leaves , by Leaf - stalk , by Stipules , by Connate Stipules , by Spines , by Hair , by ...
... Leaves - Grew's Description - Position as- sumed by Buds - Diminution of Radiation - Darwin's Sug- gestion - Protection by Leaf - base , by Modified Leaves , by Leaf - stalk , by Stipules , by Connate Stipules , by Spines , by Hair , by ...
Pagina ix
... Leaf : Leaf - base with Stipules ; Leaf - stalk with Leaf - blade or Leaflets - Complete and Incomplete Leaves- Gradations in Development of Stipules : Parsley , Ostru- thium , Ethusa - Difficult Cases Hypericum , Lotus , Cucumber ...
... Leaf : Leaf - base with Stipules ; Leaf - stalk with Leaf - blade or Leaflets - Complete and Incomplete Leaves- Gradations in Development of Stipules : Parsley , Ostru- thium , Ethusa - Difficult Cases Hypericum , Lotus , Cucumber ...
Pagina x
... Leaf . CHAPTER IX SUMMARY 197 The Bud - Modes of Protection - Stipules : Nature of , Uses of— 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 ...
... Leaf . CHAPTER IX SUMMARY 197 The Bud - Modes of Protection - Stipules : Nature of , Uses of— 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 ...
Pagina xii
... Leaves of Mesembryanthemum 3,4 Young Leaves of Hypericum calycinum 6 Young Leaves of Stachys sylvatica 7 Leaf of Plane , showing mode of protection of Young Bud ( after Gray ) 8,9 Unopened Buds of Norway Maple 10 Young Shoot of Lime 11 ...
... Leaves of Mesembryanthemum 3,4 Young Leaves of Hypericum calycinum 6 Young Leaves of Stachys sylvatica 7 Leaf of Plane , showing mode of protection of Young Bud ( after Gray ) 8,9 Unopened Buds of Norway Maple 10 Young Shoot of Lime 11 ...
Pagina xiii
... Leaf - sheath and Axillary 233 Buds . 38 51-54 Leaves of Exochorda 39 55 Viburnum Lantana ( after Bentham ) 41 56 Viburnum Opulus ( after Bentham ) 41 57 Bud of Viburnum Opulus 44 58 87 88 Growing - point of Rose 59-63 Leaf Development ...
... Leaf - sheath and Axillary 233 Buds . 38 51-54 Leaves of Exochorda 39 55 Viburnum Lantana ( after Bentham ) 41 56 Viburnum Opulus ( after Bentham ) 41 57 Bud of Viburnum Opulus 44 58 87 88 Growing - point of Rose 59-63 Leaf Development ...
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Termeni și expresii frecvente
apex axil axillary buds axis base Beech blade brown bud is protected bud-scales Candolle completely covered concave conduplicate connate stipules cotyledons developed edges Edition Exochorda exstipulate fifth folded foliaceous fourth genera genus glabrous glands growing-point growth Guaiacum officinale hairs hairy Helianthemum Hornbeam Horse Chestnut inner instance lamina Lantana lateral buds 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 shoot showing side slightly Smilax sometimes species St FIG St St stalk stem stipular stipules belonging stipules fig stipules St subulate tendrils terminal bud trees triangular Tulip Tree upper Viburnum Viburnum Lantana Viburnum Opulus Whitebeam winter winter-bud Wych Elm young bud young leaves younger
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Pagina 233 - So careless of the single life, So careful of the type she seems, and will be more and more struck with wonder and admiration at the variety and beauty of the provisions by which Nature preserves these tender and precious buds from the severity of winter, and prepares with loving care and rich profusion for the bright promise of spring and the glorious pageant of summer.
Pagina 194 - ASSISTANCE IN CLIMBING There are two ways in which stipules may assist in this respect, viz. (1) by being developed into tendrils, or (2) into more or less reversed spines. The case of the tendrils of Smilax is one which has occasioned much discussion, but I agree with Tyler (24) that the embryological, together with the anatomical, characters indicate that in Smilax the tendrils are true stipules, found in connection with the sheathing petiole. In Paliurvs australis (fig.
Pagina 4 - The figure also shows how admirably the peculiar form of the leaf is adapted to their mode of growth. In many other plants also the leaves, as they develop, successively protect the younger ones. A somewhat similar case is afforded by Uvaria (figs. 105, 106, p. 70) ; and also by common Rhubarb, FIG.