On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 9
... branch be examined a little later , it will be found to be terminated by a scar , left by the true terminal bud , which has dropped away , so that the one which is apparently terminal is really axil- lary . Fig . 11 represents the end ...
... branch be examined a little later , it will be found to be terminated by a scar , left by the true terminal bud , which has dropped away , so that the one which is apparently terminal is really axil- lary . Fig . 11 represents the end ...
Pagina 94
... branch , and one fork may remain a simple pointed hair , while another develops a gland . The glandular processes are sometimes highly deve- loped ; as , for instance , in the Rose and the Violet , where they are large and oval , one ...
... branch , and one fork may remain a simple pointed hair , while another develops a gland . The glandular processes are sometimes highly deve- loped ; as , for instance , in the Rose and the Violet , where they are large and oval , one ...
Pagina 134
... branch is examined , the scars where the stipules were inserted may be seen , forming rings ( figs . 210 , 211 ) round the base of each annual shoot . The shoot elongates considerably between the leaves , but not between the stipules ...
... branch is examined , the scars where the stipules were inserted may be seen , forming rings ( figs . 210 , 211 ) round the base of each annual shoot . The shoot elongates considerably between the leaves , but not between the stipules ...
Pagina 139
... branches on the expansion of the primary bud , but remain small . Accidents to the primary bud , however , would , of course , cause them to develop . The following is the composition of a flower - bud- that is , one containing catkins ...
... branches on the expansion of the primary bud , but remain small . Accidents to the primary bud , however , would , of course , cause them to develop . The following is the composition of a flower - bud- that is , one containing catkins ...
Pagina 147
... branches or shoots bearing them . The leaves are all conduplicate in bud , acuminate , and penninerved , with closely approximate nerves . two parts of the leaf are unequal , but this is scarcely The discernible in the bud . The broader ...
... branches or shoots bearing them . The leaves are all conduplicate in bud , acuminate , and penninerved , with closely approximate nerves . two parts of the leaf are unequal , but this is scarcely The discernible in the bud . The broader ...
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Termeni și expresii frecvente
apex axil axillary buds axis base 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 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 Smilax sometimes species st FIG st st stem stipular stipules belonging stipules fig subulate tendrils terminal bud 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...