. The natural history of plants. Botany. UMBELLIFERJi:. 127 umbels are ordinarily but not constantly surrounded by involucres and involucels. The flowers, yellow or greenish, have. a little developed calyx, or oftener none, entire valvate petals, inflexed at the summit, and the upper face divided by a vertical ridge into two hollows which received the cells of the anthers. The fruit is more or less compressed laterally; and that is its only constant character, for it is more or less elon- gate ; the five ridges of the mericarps are more or less promi- nent and soinetimes even aliform; the vitt
. The natural history of plants. Botany. UMBELLIFERJi:. 127 umbels are ordinarily but not constantly surrounded by involucres and involucels. The flowers, yellow or greenish, have. a little developed calyx, or oftener none, entire valvate petals, inflexed at the summit, and the upper face divided by a vertical ridge into two hollows which received the cells of the anthers. The fruit is more or less compressed laterally; and that is its only constant character, for it is more or less elon- gate ; the five ridges of the mericarps are more or less promi- nent and soinetimes even aliform; the vittse are nil or very fine, irregular, in- complete or divided into superposed or unequal islets; or well marked, multiple or solitary in each furrow ; the seeds arie nearly cylindrical or vertically furrowed opposite the vittaB, having a face slightly convex, or flat, or slightly or very deeply concave, with incurved or involute margin. They are annual or perennial herbaceous plants, or shrubby, glabrous, and from all the temperate regions of the old world. One species is also found in. 131. Floriferous branch. two unequal mericarps one of which has four narrow 'wings and the other three or less ; the latter often sterile. It is a perennial herb with pinnate radical leaves and compound 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 Baillon, Henri Ernest, 1827-1895; Hartog, Marcus Manuel, 1851-. London, L. Reeve & Co.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1871
