On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 98
... corresponding leaf , exposed ; St , the stipule of the next leaf ; the upper bud shows only one stipule , St , but none have fallen in this instance , which is the more common case . Nat . size . FIG . 143. - Transverse section of bud ...
... corresponding leaf , exposed ; St , the stipule of the next leaf ; the upper bud shows only one stipule , St , but none have fallen in this instance , which is the more common case . Nat . size . FIG . 143. - Transverse section of bud ...
Pagina 102
... corresponding to a , therefore , is useless and wasted . Another species ( Magnolia Umbrella ) ( figs . 152 , 153 ) avoids this waste of power and material . When the last leaf of the year dies and drops off , the stipules belonging to ...
... corresponding to a , therefore , is useless and wasted . Another species ( Magnolia Umbrella ) ( figs . 152 , 153 ) avoids this waste of power and material . When the last leaf of the year dies and drops off , the stipules belonging to ...
Pagina 114
... corresponding to the line of union , as in S. alba and S. cinerea . In S. cordata there is a wide shallow groove at the same place . 3. The anterior face during the expansion of the buds in spring becomes emarginate , bidentate , or ...
... corresponding to the line of union , as in S. alba and S. cinerea . In S. cordata there is a wide shallow groove at the same place . 3. The anterior face during the expansion of the buds in spring becomes emarginate , bidentate , or ...
Pagina 117
... corresponding to the midrib . Three or five veins may be seen on the inner face , corresponding to the principal vascular bundles running through the petiole into the lobes of the lamina . Three of them generally terminate in gland ...
... corresponding to the midrib . Three or five veins may be seen on the inner face , corresponding to the principal vascular bundles running through the petiole into the lobes of the lamina . Three of them generally terminate in gland ...
Pagina 179
... corresponding to leaf and stipules . The third and fourth leaves are compound , with one pair of leaflets and obliquely ovate stipules of considerable size , and having FIG . 304. - LATHYRUS APHACA . a tendril represented by a small ...
... corresponding to leaf and stipules . The third and fourth leaves are compound , with one pair of leaflets and obliquely ovate stipules of considerable size , and having FIG . 304. - LATHYRUS APHACA . a tendril represented by a small ...
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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...