On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 7
... and well protect the bud . Though leaves and flowers come out with a sur- prising burst of vegetation in suitable spring weather , their development is slow and gradual . The summer buds , as I have already mentioned , contain the. ON BUDS ...
... and well protect the bud . Though leaves and flowers come out with a sur- prising burst of vegetation in suitable spring weather , their development is slow and gradual . The summer buds , as I have already mentioned , contain the. ON BUDS ...
Pagina 17
... gradually covered over by the bark . Such buds are known as dormant . ' They may remain in the same state for years , but if the growing shoots are injured in the struggle for existence these reserves are called into the field . Their ...
... gradually covered over by the bark . Such buds are known as dormant . ' They may remain in the same state for years , but if the growing shoots are injured in the struggle for existence these reserves are called into the field . Their ...
Pagina 44
... gradually be reduced , and ultimately disappear . In V. Opulus , as is shown in the figure ( fig . 57 ) , there is a space left be- VIBURNUM OPU - tween the bases of the leaves . In the LUS , × 4 . next younger pair of leaves ; St , sti ...
... gradually be reduced , and ultimately disappear . In V. Opulus , as is shown in the figure ( fig . 57 ) , there is a space left be- VIBURNUM OPU - tween the bases of the leaves . In the LUS , × 4 . next younger pair of leaves ; St , sti ...
Pagina 47
... gradually widens , and often occupies more than half the circumference , thus affording a possible explanation of the fact that , while the cotyledons are opposite , the leaves are in so many cases alternate . The rudimentary leaf ...
... gradually widens , and often occupies more than half the circumference , thus affording a possible explanation of the fact that , while the cotyledons are opposite , the leaves are in so many cases alternate . The rudimentary leaf ...
Pagina 50
... 79 ) . THE TULIP TREE ( Liriodendron tulipifera ) In the Tulip Tree the leaf commences as a slight projection immediately below the growing - point , and gradually widens into a ridge , the two ends of 50 BUDS AND STIPULES.
... 79 ) . THE TULIP TREE ( Liriodendron tulipifera ) In the Tulip Tree the leaf commences as a slight projection immediately below the growing - point , and gradually widens into a ridge , the two ends of 50 BUDS AND STIPULES.
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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...