An Introduction to BotanyLongman, 1832 - 557 pàgines |
Des de l'interior del llibre
Resultats 1 - 5 de 46.
Pàgina xiv
... Pistillum 11. Receptacle 12. Ovulum 13. Fruit 14. Seed 15. Naked Seeds CHAP . III . Of the Compound Organs in Flowerless Plants 1. Ferns 2. Equisetaceæ 3. Lycopodiaceæ 4. Marsileaceæ 5. Mosses 6. Hepaticæ 7. Lichens 8. Algæ 9. Fungi ...
... Pistillum 11. Receptacle 12. Ovulum 13. Fruit 14. Seed 15. Naked Seeds CHAP . III . Of the Compound Organs in Flowerless Plants 1. Ferns 2. Equisetaceæ 3. Lycopodiaceæ 4. Marsileaceæ 5. Mosses 6. Hepaticæ 7. Lichens 8. Algæ 9. Fungi ...
Pàgina 10
... . Membrane and Fibre combined . 1. Fibres twisted spirally , adhering to a spheroidal or angu- lar membrane , and often anastomosing irregularly , without the spires touching each other . ( Plate I. fig . 10 BOOK I. ORGANOGRAPHY .
... . Membrane and Fibre combined . 1. Fibres twisted spirally , adhering to a spheroidal or angu- lar membrane , and often anastomosing irregularly , without the spires touching each other . ( Plate I. fig . 10 BOOK I. ORGANOGRAPHY .
Pàgina 104
... pistillum , leaving a passage for the stigmata at their apex . They thus form a single urceo- late body named urceolus or perigynium . M. De Candolle justly observes , in his Théorie , that some botanists call this nec- tarium ...
... pistillum , leaving a passage for the stigmata at their apex . They thus form a single urceo- late body named urceolus or perigynium . M. De Candolle justly observes , in his Théorie , that some botanists call this nec- tarium ...
Pàgina 105
... pistillum , of which the two last only are indispensable . The calyx and corolla may be wanting , and a flower will nevertheless exist ; but if neither stamens nor pistillum nor their rudiments are to be found , no assem- blage of ...
... pistillum , of which the two last only are indispensable . The calyx and corolla may be wanting , and a flower will nevertheless exist ; but if neither stamens nor pistillum nor their rudiments are to be found , no assem- blage of ...
Pàgina 106
... pistillum ; but never of the aestivation of a flower , col- lectively . 5. Of the Inflorescence . Inflorescence is a term contrived to express generally the arrangement of flowers upon a branch or stem . The part which immediately bears ...
... pistillum ; but never of the aestivation of a flower , col- lectively . 5. Of the Inflorescence . Inflorescence is a term contrived to express generally the arrangement of flowers upon a branch or stem . The part which immediately bears ...
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Altres edicions - Mostra-ho tot
Frases i termes més freqüents
acid Adolphe Brongniart albumen anther apex appearance appendages arrangement axis bark base become body botanists bractea branches Brown buds called calyx Cand Candolle carpella cavity cells cellular tissue cellules centre chalaza characters Class colour common Compositæ compound considered consists corolla cotyledons cuticle dehiscence developed dicotyledons direction disk dissepiments distinct distinguished ducts earth elongated embryo exist extremely filament fleshy flowers fluid fructification fruit genera genus granules hairs hilum indehiscent inflorescence integuments kind latter leaf leaflets leaves Linnæus lobes margin medullary rays membrane Mirb Mirbel modifications monocotyledons nature observed organs ovarium ovula ovulum oxygen parenchyma peculiar pericarpium petals petiole pistillum pith placenta plants Plate plumula pollen produced racters radicle receptacle remarkable roots seed sepals separate side sometimes species spiral vessels sporules stamens stem stigma stomata structure substance surface term terminating testa tree tube valves vascular vegetation veins wood woody fibre
Passatges populars
Pàgina 6 - Thysanotus fasciçularii, the flowers of which are of a deep brilliant violet, with a remarkably satiny lustre, that appearance will be found to arise from each particular cell containing a single drop of...
Pàgina 217 - ... in its substance, and of evaporating pores on its surface, enables the crude fluid sent from the roots to be elaborated and digested until it becomes the peculiar secretion of the species; the contraction of a branch and its leaves forms a flower ; the disintegration of the internal tissue of a petal forms an anther; the folding inwards of a leaf is sufficient to constitute a...
Pàgina 525 - ... verging to green. Again, the ranunculus, which is originally of an intense yellow, sports into scarlet, red, purple, and almost any colour but blue. White flowers, which have a tendency to produce red, will never sport to blue, although they will to yellow ; the rose, for example, and chrysanthemums. It is also probable that white flowers with a tendency to produce blue, will not vary to yellow.