The Origin of Floral Structures Through Insect and Other AgenciesKegan Paul, Trench, Trübner & Company, Limited, 1888 - 349 pagini |
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Pagina xv
... leaves , illustrating the method of passage to alternate arrangements ... PAGE 3 11 15 ... 3. Diagrams of floral ... leaf - traces in the stem of Arabis albida 8. Vertical and transverse sections of the wall of the inferior ovary of ...
... leaves , illustrating the method of passage to alternate arrangements ... PAGE 3 11 15 ... 3. Diagrams of floral ... leaf - traces in the stem of Arabis albida 8. Vertical and transverse sections of the wall of the inferior ovary of ...
Pagina xvi
... leaf and a stipular sepal 25. Vertical section of the receptacular tube of Hawthorn , with supernumerary carpels arising from the summit ... 76 77 82 83 8884 90 90 235 92 ... 93 93 ... 94 26. Leaves of Pear with hypertrophied and sub ...
... leaf and a stipular sepal 25. Vertical section of the receptacular tube of Hawthorn , with supernumerary carpels arising from the summit ... 76 77 82 83 8884 90 90 235 92 ... 93 93 ... 94 26. Leaves of Pear with hypertrophied and sub ...
Pagina xviii
... 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 ... ... ... 72. Corolla of Foxglove with ...
... 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 ... ... ... 72. Corolla of Foxglove with ...
Pagina 2
... leaves much to be desired . Besides these methods , analogy and especially teratology furnish assistance of no mean value . Here we are especially indebted to Dr. M. T. Masters for his standard work on Teratology . # Now , any one of ...
... leaves much to be desired . Besides these methods , analogy and especially teratology furnish assistance of no mean value . Here we are especially indebted to Dr. M. T. Masters for his standard work on Teratology . # Now , any one of ...
Pagina 6
... leaf - bud is now an accepted fact ; but an obvious difference between them consists in the arrested state of the ... leaves into petals , etc. , bas followed will be discussed later on . It must not be forgotten , however , that the ...
... leaf - bud is now an accepted fact ; but an obvious difference between them consists in the arrested state of the ... leaves into petals , etc. , bas followed will be discussed later on . It must not be forgotten , however , that the ...
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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