The Origin of Floral Structures Through Insect and Other AgenciesKegan Paul, Trench, Trübner & Company, Limited, 1888 - 349 pagini |
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Pagina xviii
... calyx of Trifolium repens with stipulate leaves , borne by the receptacular tube 68. Flower and leaf of Mussænda 69. Linaria with one sepal petaloid ... ... 70. Calyx of Garden Pea with carpellary lobes 71. Ovuliferous sepal of Violet ...
... calyx of Trifolium repens with stipulate leaves , borne by the receptacular tube 68. Flower and leaf of Mussænda 69. Linaria with one sepal petaloid ... ... 70. Calyx of Garden Pea with carpellary lobes 71. Ovuliferous sepal of Violet ...
Pagina 3
... Calyx . The second circle is that of the five Petals of the Corolla . The third stands for the Anthers of the five Stamens superposed to the sepals ; the fourth being those of five Stamens super- posed to the petals . These two whorls ...
... Calyx . The second circle is that of the five Petals of the Corolla . The third stands for the Anthers of the five Stamens superposed to the sepals ; the fourth being those of five Stamens super- posed to the petals . These two whorls ...
Pagina 8
... calyx , it is a noticeable fact that when the inflorescence consists of a large number of flowers , especially if small and closely compacted , there is a strong tendency for the sepals to become partially arrested and remain ...
... calyx , it is a noticeable fact that when the inflorescence consists of a large number of flowers , especially if small and closely compacted , there is a strong tendency for the sepals to become partially arrested and remain ...
Pagina 9
... calyx and corolla may be degraded and disappear , so may the stamens and carpels , unisexual and neuter flowers being the result . Further observations , however , will be made upon this subject when treating of the several whorls ...
... calyx and corolla may be degraded and disappear , so may the stamens and carpels , unisexual and neuter flowers being the result . Further observations , however , will be made upon this subject when treating of the several whorls ...
Pagina 14
... Calyx , Corolla , and in many cases the Androecium also ; but the carpels are not generally regarded , for it does not usually extend to the gynoecium , though it is very frequently retained in the androecium , which is often some ...
... Calyx , Corolla , and in many cases the Androecium also ; but the carpels are not generally regarded , for it does not usually extend to the gynoecium , though it is very frequently retained in the androecium , which is often some ...
Alte ediții - Afișează-le pe toate
The Origin of Floral Structures Through Insect and Other Agencies George Henslow Vizualizare completă - 1893 |
The Origin of Floral Structures Through Insect and Other Agencies George Henslow Vizualizare completă - 1888 |
Termeni și expresii frecvente
adaptation to insect androecium anemophilous anthers appear arrested atrophy autogamy axial axis bear become bracts calyx capsules carpellary carpels cause cells character chorisis cleistogamous cleistogamous flowers colour condition corolla crossed Darwin degeneracy degradation Demy 8vo diclinism differentiated fact female flowers fertile fertilisation fibro-vascular cords filaments floral whorls florets foliaceous Forms of Flowers Fourth Edition genera genus grains hermaphrodite heterostyled hypertrophy Illustrations insect agency insects intercrossing irregular irritation Journ Labiata latter leaf leaves less long-styled form male flowers marginal mature Müller nature normally observed occur Orchids origin ovary ovules ovuliferous pedicel perianth petaline petals petioles phyllotaxis pistil placentas pollen pollen-tubes Primula produced protandrous protogynous Ranunculus receptacular tube regard remarkable result seedlings seeds seen self-fertilisation self-fertilised plants sepaline sepals short-styled form Small crown 8vo species spiral stamens stigmas structure style superposed temperature Teratology Third Edition tion tissue usually visited weight whorls
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