An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página 215
... chalaza ( Plate V. fig . 24. f . 25. g ) . As the chalaza is uniformly at the base of the nucleus , it will follow that , in orthotropous and campylotro- pous ovules , it is confounded with the hilum ; while it is only distinguished in ...
... chalaza ( Plate V. fig . 24. f . 25. g ) . As the chalaza is uniformly at the base of the nucleus , it will follow that , in orthotropous and campylotro- pous ovules , it is confounded with the hilum ; while it is only distinguished in ...
Página 218
... chalaza . The quintine swells from top to bottom ; it forces back on all sides the tissue that surrounds it , and it often even invades the place occupied by the quartine or the nucleus . A very delicate thread , the suspensor ...
... chalaza . The quintine swells from top to bottom ; it forces back on all sides the tissue that surrounds it , and it often even invades the place occupied by the quartine or the nucleus . A very delicate thread , the suspensor ...
Página 243
... tioned under the name of chalaza . Where there is no in- dication either externally or internally of the apex , it may then be determined geometrically . The integuments of a seed are called the testa ; R 2 CHAP . II . 243 SEED .
... tioned under the name of chalaza . Where there is no in- dication either externally or internally of the apex , it may then be determined geometrically . The integuments of a seed are called the testa ; R 2 CHAP . II . 243 SEED .
Página 247
... chalaza ( Plate VI . fig . 11. b ) . In the orange it is beautifully composed of dense bundles of spiral vessels and spiral ducts , without woody fibre . The vessels which connect the chalaza with the hilum constitute a parti- cular ...
... chalaza ( Plate VI . fig . 11. b ) . In the orange it is beautifully composed of dense bundles of spiral vessels and spiral ducts , without woody fibre . The vessels which connect the chalaza with the hilum constitute a parti- cular ...
Página 248
... chalaza is the place where the secundine and the primine are connected ; so that in orthotropous seeds , or such as have the apex of the nucleus at the apex of the seed , and in which , consequently , the union of the primine and ...
... chalaza is the place where the secundine and the primine are connected ; so that in orthotropous seeds , or such as have the apex of the nucleus at the apex of the seed , and in which , consequently , the union of the primine and ...
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Palavras e frases frequentes
Adolphe Brongniart albumen anther apex appears axis bark base become body botanists Botany bracts branches buds bundles called calyx Cand Candolle carbonic acid carpels cause cavity cells cellular tissue centre chalaza character cloth colour common consists containing corolla cotyledons cyclosis developement dicotyledons direction disk Dutrochet Edition embryo epidermis exist extremity fibres filament fleshy flowers fluid foramen fruit glands grains green growing hairs hilum inches integument kind latex layers leaf leaflets leaves light Linnæus lobes Loudon margin matter medullary rays membrane Mirbel monocotyledons nature nitrogen nucleus observed organs ovarium ovary ovule oxygen parenchyma pericarp petals petiole pistil pith placenta plants Plate plumula pollen pollen tube produced quantity radicle Raphides remarked roots round seeds separate side species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow