. Bulletin. Gramineae -- United States; Forage plants -- United States. 33 In thickets, Mexico. July-October. Specimens examined.—^fexico: Southwestern Chihuahua, 52 (in part) E. Palmer 1885; E. Palmer 1876; no locality, 233 Palmer 1897; Colima, 142 E. Palmer 1897; Oaxaca, 2788 Nelson 1895; Batopilas, 52, 110a Palmer 1885. Readily distinguished by its yellowish-green color, broad, lanceolate, thin leaves, loose panicles, the branches not remote at the base, and its very strongly rugose flowering glumes. LIEBMANNI PATJCIFLORA (Vasey) n. comb. Chamsera- phis caudata pauciflora Vase
. Bulletin. Gramineae -- United States; Forage plants -- United States. 33 In thickets, Mexico. July-October. Specimens examined.—^fexico: Southwestern Chihuahua, 52 (in part) E. Palmer 1885; E. Palmer 1876; no locality, 233 Palmer 1897; Colima, 142 E. Palmer 1897; Oaxaca, 2788 Nelson 1895; Batopilas, 52, 110a Palmer 1885. Readily distinguished by its yellowish-green color, broad, lanceolate, thin leaves, loose panicles, the branches not remote at the base, and its very strongly rugose flowering glumes. LIEBMANNI PATJCIFLORA (Vasey) n. comb. Chamsera- phis caudata pauciflora Vasey in Beal Grasses of N. Am. 2: 158 (1896). A very slender form, 1 to 4 dm. high, with much smaller, narrow panicles 1 cm. in diameter, 5 to 10 cm. long, the branches not exceeding 1 cm. in length or obsolete, and smaller leaves 5 to 10 cm. long, 3 to 10 mm. broad. Spikelets as in the type. Mexico and Lower California. Specimens examined. —Mexico: Southwestern Chihuahua, 52 (in part) Palmer 1885; Guaymas, 191 Palmer 1887; Alamos, 686 Pal- mer 1890. Lower California: San Jose del Cabo, 12 Brandegee 1890. In habit very much resembling Chxtochloa grisebachii (Fourn.), but at once distinguished by its very strongly rugose flowering glumes. Chamxraphis caudata (Lam.) Beal, Grasses of N. Am. 2: 157, to which this form was wrongly referred as a variety, is not true Panicum caudatum Lam., but Chsetochioa compofiita (H. B. K.), to which the above is not closelv related. tt Flowering glume smooth or finely transversely wrinkled. § Spikelets 3 mm. long. 23. CH^TOCHLOA MACROS- PERMA sp. nov. Setaria com- posita of Chapman's Fl. So. J], S. and of Bui. 7: 85. fig. 67, Dept. Agr., Div. Agros., not of H. B. K. (Fig. 18.) A very smooth, stout perennial, 6 to 12 dm. high, with broad, flat leaves and branch- ing, bristly panicles 10 to 25 cm. long. Culms cylindrical, robust, geniculate at the base, glabrous; nodes smooth, sheaths compressed, striate, glabrous, the lower exceedin
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