. The classification of flowering plants. Plants. 516 FLOWERING PLANTS The leaves are generally alternate in the vegetative parts, in the flowering parts often in pairs, an arrangement which, hke the extra-axillary position of the flowers or cymes, is the result of congenital miion of axes. Thus in Datura (fig. 236, A), where branching is dichasial, the leaf at any given node belongs really to the node below,. Fig. 236. Diagrams shewing position of leaves and flower-branches. A. Datura Stramonium. B. Atropa Belladonna. C. Solanum nigrum. D. Ground plan of lower portion of B. I, II, III, succes
. The classification of flowering plants. Plants. 516 FLOWERING PLANTS The leaves are generally alternate in the vegetative parts, in the flowering parts often in pairs, an arrangement which, hke the extra-axillary position of the flowers or cymes, is the result of congenital miion of axes. Thus in Datura (fig. 236, A), where branching is dichasial, the leaf at any given node belongs really to the node below,. Fig. 236. Diagrams shewing position of leaves and flower-branches. A. Datura Stramonium. B. Atropa Belladonna. C. Solanum nigrum. D. Ground plan of lower portion of B. I, II, III, successive shoots; h, bract of I; a, jS, bracts of II; a, 13', bracts of III, etc. (After Eichler.) but has become adnate to, or raised up on, its axillary shoot as far as the next node; this union is indicated in black in the figure. In Atropa Belladonna (fig. 236, B) one of the two branches at each node remains undeveloped, and there are a pair of leaves, a smaller {a, a\ a'\ etc.) which subtends the. 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 Rendle, A. B. (Alfred Barton), 1865-1938. Cambridge, University press
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1904
