On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina vii
Sir John Lubbock. CONTENTS CHAPTER I ON BUDS Use of Buds - Protection of Young Tissues from Cold , Heat , Drought ... Leaf - stalk : Plane- Development of Leaves and Flowers taking sometimes a whole Year , or even two - Frequent death ...
Sir John Lubbock. CONTENTS CHAPTER I ON BUDS Use of Buds - Protection of Young Tissues from Cold , Heat , Drought ... Leaf - stalk : Plane- Development of Leaves and Flowers taking sometimes a whole Year , or even two - Frequent death ...
Pagina viii
... Leaves of Water Plants Fleshy Leaves : Mistletoe , Saxifrage , Aloe- Monocotyledons - Palms - Aroids PAGE 46 CHAPTER IV ON THE PROTECTION OF BUDS Delicacy of Young Leaves - Grew's Description - Position as- sumed by Buds - Diminution of ...
... Leaves of Water Plants Fleshy Leaves : Mistletoe , Saxifrage , Aloe- Monocotyledons - Palms - Aroids PAGE 46 CHAPTER IV ON THE PROTECTION OF BUDS Delicacy of Young Leaves - Grew's Description - Position as- sumed by Buds - Diminution of ...
Pagina xi
... Young Shoot . 2 The same , more advanced . 3 The same , with some of the Leaves expanded . 4 Carpinus Betulus : Young Shoot . 5 The same , to show the folding of the Leaves . 1 PLATE II At end of book Viburnum Opulus : Sprig with four ...
... Young Shoot . 2 The same , more advanced . 3 The same , with some of the Leaves expanded . 4 Carpinus Betulus : Young Shoot . 5 The same , to show the folding of the Leaves . 1 PLATE II At end of book Viburnum Opulus : Sprig with four ...
Pagina xii
... Young 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 ...
... Young 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 ...
Pagina xiii
... Leaves of Exochorda 39 55 Viburnum Lantana ( after Bentham ) 41 56 Viburnum ... Young Leaf of Centaurea Scabiosa , showing develop- ment 59 102 , 103 104 ... Young Leaves of Hypericum calycinum Shoot of Berberry 71 72 FIG . 110 111 , 112 ...
... Leaves of Exochorda 39 55 Viburnum Lantana ( after Bentham ) 41 56 Viburnum ... Young Leaf of Centaurea Scabiosa , showing develop- ment 59 102 , 103 104 ... Young Leaves of Hypericum calycinum Shoot of Berberry 71 72 FIG . 110 111 , 112 ...
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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.