The Origin of Floral Structures Through Insect and Other AgenciesKegan Paul, Trench, Trübner & Company, Limited, 1888 - 349 pagini |
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Pagina iv
... Museum of Comp . Zool . HARVARD UNIVERSITY LIARY JUN 27 1932 ( The rights of translation and of reproduction are reserved . ) PREFACE . THE belief that we must look mainly to But 2058 22 4 THE PRINCIPLE OF ARRANGEMENT.
... Museum of Comp . Zool . HARVARD UNIVERSITY LIARY JUN 27 1932 ( The rights of translation and of reproduction are reserved . ) PREFACE . THE belief that we must look mainly to But 2058 22 4 THE PRINCIPLE OF ARRANGEMENT.
Pagina xiii
... ARRANGEMENT V. THE PRINCIPLE OF COHESION ... VI . THE PRINCIPLE OF COHESION - Continued VII . THE PRINCIPLE OF COHESION - Continued VIII . THE PRINCIPLE OF ADHESION IX . THE CAUSE OF UNIONS X. THE RECEPTACULAR TUBE ... XI . THE FORMS OF ...
... ARRANGEMENT V. THE PRINCIPLE OF COHESION ... VI . THE PRINCIPLE OF COHESION - Continued VII . THE PRINCIPLE OF COHESION - Continued VIII . THE PRINCIPLE OF ADHESION IX . THE CAUSE OF UNIONS X. THE RECEPTACULAR TUBE ... XI . THE FORMS OF ...
Pagina xv
... arrangements ... PAGE 3 11 15 ... 3. Diagrams of floral æstivations , showing the passage from the two - fifth or quincuncial , to the contorted ... 4. Diagram of flower of Garidella , with stamens superposed to petals ... ... ... ... 5 ...
... arrangements ... PAGE 3 11 15 ... 3. Diagrams of floral æstivations , showing the passage from the two - fifth or quincuncial , to the contorted ... 4. Diagram of flower of Garidella , with stamens superposed to petals ... ... ... ... 5 ...
Pagina 4
... Arrangement , Cohesion , Adhesion , and Form . " Number " refers to the number of 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 ...
... Arrangement , Cohesion , Adhesion , and Form . " Number " refers to the number of 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 ...
Pagina 9
... arrangement . It has long been observed that these are referable to two kinds - one in which two or more leaves are ... arranged on a continuous spiral line , and can be represented by the fractions of the well - known series , 3 , 3 , 3 ...
... arrangement . It has long been observed that these are referable to two kinds - one in which two or more leaves are ... arranged on a continuous spiral line , and can be represented by the fractions of the well - known series , 3 , 3 , 3 ...
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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