On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 33
... . They occur not only in Spergula and Spergularia , which are now generally considered as belonging to the Caryo- phyllaceae ( though certain botanists regard them as con- D stituting a separate family ) , but also in most ON STIPULES 33.
... . They occur not only in Spergula and Spergularia , which are now generally considered as belonging to the Caryo- phyllaceae ( though certain botanists regard them as con- D stituting a separate family ) , but also in most ON STIPULES 33.
Pagina 34
Sir John Lubbock. stituting a separate family ) , but also in most of the Polycarpec ; and among the Myrtacea in Calythrix , Couroupita , and perhaps in some other genera . Among other families some genera of which have stipules , while ...
Sir John Lubbock. stituting a separate family ) , but also in most of the Polycarpec ; and among the Myrtacea in Calythrix , Couroupita , and perhaps in some other genera . Among other families some genera of which have stipules , while ...
Pagina 59
... separate leaflets follows different lines . Trecul , moreover , has shown that the development of leaves cannot in all cases be brought under these two categories . In Centaurea , for instance ( fig . 99 ) , the central lobe is formed ...
... separate leaflets follows different lines . Trecul , moreover , has shown that the development of leaves cannot in all cases be brought under these two categories . In Centaurea , for instance ( fig . 99 ) , the central lobe is formed ...
Pagina 105
... separate from their leaf from the first one onwards , even in the bud stage . The stipules are deciduous , falling before the end of the summer . MAPLE ( Acer ) In species which have no stipules there is nothing to distinguish the base ...
... separate from their leaf from the first one onwards , even in the bud stage . The stipules are deciduous , falling before the end of the summer . MAPLE ( Acer ) In species which have no stipules there is nothing to distinguish the base ...
Pagina 115
... separates more or less completely from the coria- ceous outer one , and resembles a second scale . It is , however , exactly opposite to the outer layer of the scale ( not alternate ) , and is divided in the same way as the outer layer ...
... separates more or less completely from the coria- ceous outer one , and resembles a second scale . It is , however , exactly opposite to the outer layer of the scale ( not alternate ) , and is divided in the same way as the outer layer ...
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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
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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...