On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 20
... Slightly enlarged . ' J'indique dans ce genre deux principaux objets de recherche . Le premier est la raison pour laquelle certaines espèces ont des stipules tandis que d'autres en sont privées . ' This suggestion started me on 20 BUDS ...
... Slightly enlarged . ' J'indique dans ce genre deux principaux objets de recherche . Le premier est la raison pour laquelle certaines espèces ont des stipules tandis que d'autres en sont privées . ' This suggestion started me on 20 BUDS ...
Pagina 21
... Slightly enlarged . Fig . 22 represents a shoot of Helianthemum vulgare ( the Common Rock Rose ) , with stipules ; Fig . 23 , one of Helianthemum celandicum , which has none . Malpighi , in his ' Anatomy of Plants ' ( 1671 ) , seems to ...
... Slightly enlarged . Fig . 22 represents a shoot of Helianthemum vulgare ( the Common Rock Rose ) , with stipules ; Fig . 23 , one of Helianthemum celandicum , which has none . Malpighi , in his ' Anatomy of Plants ' ( 1671 ) , seems to ...
Pagina 44
... slightly 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 ...
... slightly 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 ...
Pagina 47
... slight projections , each of which broadens at the base , and finally occupies one- half of the circumference of the stem ... slightly curved round the stem , become folded lengthways or con- duplicate DEVELOPMENT OF LEAVES AND STIPULES 47.
... slight projections , each of which broadens at the base , and finally occupies one- half of the circumference of the stem ... slightly curved round the stem , become folded lengthways or con- duplicate DEVELOPMENT OF LEAVES AND STIPULES 47.
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
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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...