. Class-book of botany: being outlines of the structure, physiology and classification of plants; with a flora of the United States and Canada. Botany; Plants; Plants. 413, Section of the ovary of fin acorn, 3-ceIled, 6-ovnled. 420, Section of ovary of Birch, 2-ce'Jed,2-ovuled. 419, Vertical section of the same in fruit. 422. Pericarp of Mignionette open soon after flowering. 421, Naked seed of Taxus Canadensis, surrounded, not covered by the fleshy pericarp. the birch is 2-celled, 2-ovuled ; but by the suppression of one cell with its ovule, the fruit becomes 1-celled and 1-seeded. 546. On th
. Class-book of botany: being outlines of the structure, physiology and classification of plants; with a flora of the United States and Canada. Botany; Plants; Plants. 413, Section of the ovary of fin acorn, 3-ceIled, 6-ovnled. 420, Section of ovary of Birch, 2-ce'Jed,2-ovuled. 419, Vertical section of the same in fruit. 422. Pericarp of Mignionette open soon after flowering. 421, Naked seed of Taxus Canadensis, surrounded, not covered by the fleshy pericarp. the birch is 2-celled, 2-ovuled ; but by the suppression of one cell with its ovule, the fruit becomes 1-celled and 1-seeded. 546. On the other hand the cells are sometimes multiplied in the fruit by the formation of false partitions. Thus the pod of thorn-apple (Datura) becomes 4-celled from a 2-celled ovary, and tlio longer pods of some leguminous plants have cross- partitions formed between the seeds. 426 427. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wood, Alphonso, 1810-1881. New York, A. S. Barnes & Burr
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Keywords: ., bookcentury1800, booksubjectbotany, booksubjectplants, bookyear18
