. Bulletin. Gramineae -- United States; Forage plants -- United States. 12 CHiETOCHLOA IMBERBIS PERENNIS (Hall) n. comb. Setaria perennis Hall, Trans. Kans. Acad. Sci. 13: 102 (1893). Chsetochloa versicolor Bick. Bui. Torr. Bot. Club. 25: 105, pi. 328 (1898). A slender, scarcely tufted, loose form, 6 to 12 dm. high, with very slender wiry culms, which are naked below, long, narrow leaves, and rather slender, long- exserted panicles, to 7 cm. long. Spikelets generally pur- plish. Seise very slender, 6 to 10 mm. long, yellowish-green or purple. In brackish marshes, along the coast from Conne
. Bulletin. Gramineae -- United States; Forage plants -- United States. 12 CHiETOCHLOA IMBERBIS PERENNIS (Hall) n. comb. Setaria perennis Hall, Trans. Kans. Acad. Sci. 13: 102 (1893). Chsetochloa versicolor Bick. Bui. Torr. Bot. Club. 25: 105, pi. 328 (1898). A slender, scarcely tufted, loose form, 6 to 12 dm. high, with very slender wiry culms, which are naked below, long, narrow leaves, and rather slender, long- exserted panicles, to 7 cm. long. Spikelets generally pur- plish. Seise very slender, 6 to 10 mm. long, yellowish-green or purple. In brackish marshes, along the coast from Connecticut to Florida and Mississippi, and in alkaline and saline bot- toms, Kansas and Indian Ter- ritory. June-September. Specimens examined.—Maryland: Bay Eidge, Scribner 1897; Ta- koma Park, Williams 1899. Florida: Barstow, 1232 Combs 1898; Homosassa, 924, 969 Combs 1898; Jacksonville, 13 Combs 1898; Lake City, 79 Combs 1898; Madison, 237 Combs 1898; Cedar Key, 794 Combs 1898; Ellzey, 826 Combs 1898. Louisiana: Al- exandria, 185 Ball 1898. Miss- issippi: BiloxijTracy 1898. In- dian Territory: Bigelowl853- 54. Kansas: Comanche Co. 1544 Hitchcock 1896; Hutch- inson, 2 Smyth 1890. This form is not worthy of specific rank, as all gradations are found between it and the typical C. imberbis. The char- acters used by Bicknell in separating his species, such as the longer and fewer nerved glumes, absence of hairs at the base of the leaves, pur- but are found to be extremely. Fig. 2.—Ohcetochloa imberbispenicillata: a, spikelet sbowing thesetaj; b, c, views of the spikelet; d, floweriug glume, dorsal view. plish flowering glume, etc., are not constant, variable. CHiETOCHLOA IMBERBIS GENICULATA (Lam.) n. comb. Panicum genicu- latum Lam. Encycl. 4: 727 (err. typ. 737) (1797). Setaria genimlata Beauv. Agrost. 51 (1812). ClmmxrapMs glauca genimlata Beal, Grasses of N. Am. 2: 156 (1896). A stout, glaucous form, 5 to 10 dm. high, with geniculate culms, broader leaves, and elongated panicl
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