The Origin of Floral Structures Through Insect and Other AgenciesKegan Paul, Trench, Trübner & Company, Limited, 1888 - 349 pagini |
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Pagina xiv
... WHORLS XXI . THE DEVELOPMENT OF THE FLORAL WHORLS XXII . HETEROGAMY AND AUTOGAMY ... : PAGE 174 184 191 198 XXIII . HETEROSTYLISM 203 XXIV . PARTIAL DICLINISM 220 XXV . SEXUALITY AND THE ENVIRONMENT ... 230 XXVI . DEGENERACY OF FLOWERS ...
... WHORLS XXI . THE DEVELOPMENT OF THE FLORAL WHORLS XXII . HETEROGAMY AND AUTOGAMY ... : PAGE 174 184 191 198 XXIII . HETEROSTYLISM 203 XXIV . PARTIAL DICLINISM 220 XXV . SEXUALITY AND THE ENVIRONMENT ... 230 XXVI . DEGENERACY OF FLOWERS ...
Pagina xv
... whorls 2. Diagram of the positions of opposite leaves , illustrating the method of passage to alternate arrangements ... PAGE 3 11 15 ... 3. Diagrams of floral æstivations , showing the passage from the two - fifth or quincuncial , to ...
... whorls 2. Diagram of the positions of opposite leaves , illustrating the method of passage to alternate arrangements ... PAGE 3 11 15 ... 3. Diagrams of floral æstivations , showing the passage from the two - fifth or quincuncial , to ...
Pagina 3
... of the five Stamens superposed to the sepals ; the fourth being those of five Stamens super- posed to the petals . These two whorls of stamens together constitute the Androecium . Lastly , there are represented two GENERAL PRINCIPLES . 3.
... of the five Stamens superposed to the sepals ; the fourth being those of five Stamens super- posed to the petals . These two whorls of stamens together constitute the Androecium . Lastly , there are represented two GENERAL PRINCIPLES . 3.
Pagina 4
... whorls and the number of parts in each whorl . If two or more whorls contain the same number of parts or be multiples of one another , they are said to be " symmetrical " or " isomerous . " If they differ in the number of parts they are ...
... whorls and the number of parts in each whorl . If two or more whorls contain the same number of parts or be multiples of one another , they are said to be " symmetrical " or " isomerous . " If they differ in the number of parts they are ...
Pagina 5
George Henslow. different whorls , as well as of those of the individual members of the whorls with regard to each other . " Cohesion " signifies the union of parts of any , but of the same whorl . The original or ancestral condition of ...
George Henslow. different whorls , as well as of those of the individual members of the whorls with regard to each other . " Cohesion " signifies the union of parts of any , but of the same whorl . The original or ancestral condition of ...
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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