On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 44
... conduplicate . These considerations seem to throw some light on the differences between the leaves of Viburnum Lantana and V. Opulus - the hairiness of the former and. FIG . 57. - BUD OF They are at first much smaller. 44 BUDS AND STIPULES.
... conduplicate . These considerations seem to throw some light on the differences between the leaves of Viburnum Lantana and V. Opulus - the hairiness of the former and. FIG . 57. - BUD OF They are at first much smaller. 44 BUDS AND STIPULES.
Pagina 49
... -79 , outer scales . two other lobes appear at the base of the first ( fig . 64 , s , s ) . These are the stipules . E than the leaf . By the time , however ,. They are at first much smaller. DEVELOPMENT OF LEAVES AND STIPULES 49.
... -79 , outer scales . two other lobes appear at the base of the first ( fig . 64 , s , s ) . These are the stipules . E than the leaf . By the time , however ,. They are at first much smaller. DEVELOPMENT OF LEAVES AND STIPULES 49.
Pagina 55
... about equal in 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.
... about equal in 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 59
... . Immediately below this is another ridge , which shows a number of small emi- nences - two larger , right and left , which are the rudi- ments of the leaf - blades ; and four smaller DEVELOPMENT OF LEAVES AND STIPULES 59.
... . Immediately below this is another ridge , which shows a number of small emi- nences - two larger , right and left , which are the rudi- ments of the leaf - blades ; and four smaller DEVELOPMENT OF LEAVES AND STIPULES 59.
Pagina 60
Sir John Lubbock. ments of the leaf - blades ; and four smaller , at the four corners , which represent the rudiments of the four leaf - like stipules , two belonging to each leaf . Fig . 101 represents a rather more advanced stage , in ...
Sir John Lubbock. ments of the leaf - blades ; and four smaller , at the four corners , which represent the rudiments of the four leaf - like stipules , two belonging to each leaf . Fig . 101 represents a rather more advanced stage , in ...
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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...