On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 50
... shorter one rather less , than double as long as the leaf - blade . Then comes a some- what abrupt transition , and the outer scales do not , of course , correspond to stages in the development of a normal leaf . A rudimentary leaf ...
... shorter one rather less , than double as long as the leaf - blade . Then comes a some- what abrupt transition , and the outer scales do not , of course , correspond to stages in the development of a normal leaf . A rudimentary leaf ...
Pagina 55
... length . From this point onwards the scales get rapidly shorter and smaller . With this difference the seventh and eighth scales are similar to the sixth ; they are rolled round the DEVELOPMENT OF LEAVES AND STIPULES 55.
... length . From this point onwards the scales get rapidly shorter and smaller . With this difference the seventh and eighth scales are similar to the sixth ; they are rolled round the DEVELOPMENT OF LEAVES AND STIPULES 55.
Pagina 104
... shorter , and much more rounded at the base . It covers three - quarters of the bud or more . The sixth and seventh scales are smaller and shorter than the previous ones , and cover the bud , with the exception of a small slit at the ...
... shorter , and much more rounded at the base . It covers three - quarters of the bud or more . The sixth and seventh scales are smaller and shorter than the previous ones , and cover the bud , with the exception of a small slit at the ...
Pagina 111
... blades . The ninth , tenth , and eleventh leaves are very similar to the eighth , but much shorter and smaller . The stipules. FIG . 177. - The first leaf from the bud . FIG . 186. - VIBURNUM LANTANA , × 2 . ON THE STRUCTURE OF BUDS 111.
... blades . The ninth , tenth , and eleventh leaves are very similar to the eighth , but much shorter and smaller . The stipules. FIG . 177. - The first leaf from the bud . FIG . 186. - VIBURNUM LANTANA , × 2 . ON THE STRUCTURE OF BUDS 111.
Pagina 112
Sir John Lubbock. eighth , but much shorter and smaller . The stipules are large , particularly on the leafy shoots ; but they develop after the leaves are expanded , or during that process . Some forms are exstipulate . The winter ...
Sir John Lubbock. eighth , but much shorter and smaller . The stipules are large , particularly on the leafy shoots ; but they develop after the leaves are expanded , or during that process . Some forms are exstipulate . The winter ...
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Termeni și expresii frecvente
apex axil axillary buds axis base become Beech blade brown bud fig bud is protected bud-scales catkin ciliate completely covered concave conduplicate connate stipules cotyledons developed edges Edition fifth folded fourth genera glabrous glands glandular growing-point growth Guaiacum officinale hairs hairy Helianthemum Hornbeam Horse Chestnut inserted instance lamina lateral buds Lathyrus Lathyrus Aphaca Lathyrus Nissolia leaf leaf-base leaf-blade leaf-stalk leaflets leaves and stipules Leguminosa length less lobes lower membranous midrib Monocotyledons narrower nerves node oblong ocrea Opulus outer scales ovate pair of leaves pair of stipules pairs of scales pedestal persistent petiole PLANE Platanus plant Polygonum portion protect the bud protect the young scale fig scar sheath showing side silky sixth slightly smaller sometimes species spines stem stipular stipules belonging stipules fig subulate tendrils terminal bud trees triangular unequal upper Viburnum Viburnum Lantana Viburnum Opulus Whitebeam winter winter-bud Wych Elm young leaves
Pasaje populare
Pagina 233 - Prontenex, the owner stated that for years they followed the same order of succession at both epochs : those which were first to leaf were also the earliest to lose their leaves. A Chestnut in the gardens of the Tuileries from its habit of early leafing is known as the Vingt Mars ; and M. Henri Vilmorin states that, compared with the other Chestnuts in the gardens, it keeps its leaves beyond the mean time of leaf-fall. M. Vilmorin also observed thirty-four Horse Chestnuts, 150 years old, in a plantation...