On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina xiii
... scales of Rosa canina 46 48 49 51 52 53 54 55 95 Expanding Bud of Rosa canina . 56 96 Uppermost Bud - scale of Rosa canina 56 97 Basipetal Growth 58 98 Basifugal Growth . 58 99 Young Leaf of Centaurea Scabiosa , showing develop- ment 59 ...
... scales of Rosa canina 46 48 49 51 52 53 54 55 95 Expanding Bud of Rosa canina . 56 96 Uppermost Bud - scale of Rosa canina 56 97 Basipetal Growth 58 98 Basifugal Growth . 58 99 Young Leaf of Centaurea Scabiosa , showing develop- ment 59 ...
Pagina xiv
... scales of Lilac 173-177 Winter - bud of Salix Caprea . Winter - bud of Salix alba Winter - bud of Viburnum Lantana 109 • 111 112 118 187 188 189 Stellate Hairs of Viburnum Lantana Bud Protection in Leea coccinea Shoot of Virginian ...
... scales of Lilac 173-177 Winter - bud of Salix Caprea . Winter - bud of Salix alba Winter - bud of Viburnum Lantana 109 • 111 112 118 187 188 189 Stellate Hairs of Viburnum Lantana Bud Protection in Leea coccinea Shoot of Virginian ...
Pagina xv
... Scales of Bud of Wych Elm . 148 149 151 153 154 , 155 276-285 Bud , Scales and Leaf of Picea excelsa 157 286 287-291 Leaves of Hawthorn 162 Leaves of Red Currant 164 , 165 292 Leaves of Nuttallia cerasiformis 169 293 Stipules of Ervum ...
... Scales of Bud of Wych Elm . 148 149 151 153 154 , 155 276-285 Bud , Scales and Leaf of Picea excelsa 157 286 287-291 Leaves of Hawthorn 162 Leaves of Red Currant 164 , 165 292 Leaves of Nuttallia cerasiformis 169 293 Stipules of Ervum ...
Pagina 10
... scales . Thus , in the Ash , Maple , Horse Chestnut , and Oak , which have true terminal buds , there are comparatively few leaves ; while in the Elm there are about seven , Hornbeam eight , Lime eight , Willow fifteen , and Lilac ...
... scales . Thus , in the Ash , Maple , Horse Chestnut , and Oak , which have true terminal buds , there are comparatively few leaves ; while in the Elm there are about seven , Hornbeam eight , Lime eight , Willow fifteen , and Lilac ...
Pagina 26
... scales of buds are various shades of brown , shading off to white ; scarious stipules range from straw - colour to grey . Some are beautifully coloured , almost like the petals of flowers : in the Hornbeam , for instance , often of a ...
... scales of buds are various shades of brown , shading off to white ; scarious stipules range from straw - colour to grey . Some are beautifully coloured , almost like the petals of flowers : in the Hornbeam , for instance , often of a ...
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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.