. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. GeNLS 12. CARROT FAMILY. I. Cynomarathrum Nuttallii (A. Gray) Coult. & Rose. NiittaH's Dog-Parsley. King's Parsley. Fig. 3120. Sescli Nutlalhi A. Gray, Proc. Am. Acad. 8: 287. Peucedaiium graveolens S. Wats. Bot. King's Exp. 128. 1871. Peuccdamim Kingii S. Wats. Proc. Am. Acad. 22: 474- 1887. Cynomarathrum Nultallii Coult. & Rose, Contr. Nat. Herb. 7 : 245. 19
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. GeNLS 12. CARROT FAMILY. I. Cynomarathrum Nuttallii (A. Gray) Coult. & Rose. NiittaH's Dog-Parsley. King's Parsley. Fig. 3120. Sescli Nutlalhi A. Gray, Proc. Am. Acad. 8: 287. Peucedaiium graveolens S. Wats. Bot. King's Exp. 128. 1871. Peuccdamim Kingii S. Wats. Proc. Am. Acad. 22: 474- 1887. Cynomarathrum Nultallii Coult. & Rose, Contr. Nat. Herb. 7 : 245. 1900. Glabrous, scape striate, 6-20' high, as long as the leaves or somewhat longer. Leaves all basal, long-petiolcd, pinnately or 2-pinnately divided in-to narrowly hnear segments }" wide or less; umbel unequally 4-20-rayed: rays i'-ii' long; involucels of several lanceolate at first partly united bracts; calyx-teeth short; fruit oblong, glabrous, 4"-6" long, nearly 2" wide, the carpels with narrow lateral wings,' the dorsal and inter- mediate ribs also somewhat winged; oil-tubes 3-6 in the intervals, and 6-10 on the commissural side. In dry, often rocky soil, western Nebraska, Wyoming and Utah. June-Aug. 13. PLEIOTAENIA Coult. & Rose, Contr. Nat. Herb. 12: 447. 1909. [ DC. Mem. Omb. 53. pi. 13. 1829. Not Polytaenium Desv. 182;.] [Pachiloma Raf. Xew Fl. 'N. A. 33. 1836. Not Pachyloma DC. 1828.] [?Phaiosperma Raf. loc. cit. 32. 1836.] Perennial, nearly glabrous herbs, with pinnately decompound leaves, and compound umbels of yellow flowers. Involucre none, or rarely of 1-2 linear bracts. Involucels of a few subulate pubescent deciduous bracts. Calyx-teeth prominent, triangular. Petals obovate- cuneate, with a long incurved tip. Stylopodium none. Fruit oval or obovate, much flattened dorsally, thick and corky; dorsal and intermediate ribs obscure, the lateral ones with thick wings which form a broad margin to the fruit, and are nerved toward the o
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
