On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina xi
... 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 opening Buds . 2 Acer platanoides : Young Shoot . 3 The same , more advanced . 4 ...
... 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 opening Buds . 2 Acer platanoides : Young Shoot . 3 The same , more advanced . 4 ...
Pagina xiii
... 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 59 102 , 103 104 105 , 106 100 , 101 Leaf ...
... 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 59 102 , 103 104 105 , 106 100 , 101 Leaf ...
Pagina 31
... expanded leaf , with the lowest pair of leaflets still folded , and the sti- pules , st ' , connate opposite the leaf - base ; L ' , next younger leaf pushing out of the bud with its stipules , st " . FIG . 42. - The same showing the ...
... expanded leaf , with the lowest pair of leaflets still folded , and the sti- pules , st ' , connate opposite the leaf - base ; L ' , next younger leaf pushing out of the bud with its stipules , st " . FIG . 42. - The same showing the ...
Pagina 56
... expanding lateral bud , x2 ; one scale has fallen , revealing its axillary bud ( b ) ; five scales are shown , and two of the first leaves . Sketched March 24 . FIG . 96. - Uppermost scale , immediately preceding the first true leaf ...
... expanding lateral bud , x2 ; one scale has fallen , revealing its axillary bud ( b ) ; five scales are shown , and two of the first leaves . Sketched March 24 . FIG . 96. - Uppermost scale , immediately preceding the first true leaf ...
Pagina 57
... expanded , is given in fig . 95 . In the Rose , as we have seen , the development of the leaflets proceeds from above downwards , the upper leaflets being the older . This mode of growth , there- fore , has been termed ' basipetal ...
... expanded , is given in fig . 95 . In the Rose , as we have seen , the development of the leaflets proceeds from above downwards , the upper leaflets being the older . This mode of growth , there- fore , has been termed ' basipetal ...
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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.