176 BOTANY. 
SMILACE. X. 
SMILAX wastata, Willd. Sp. p. 182; Ell. Sk. 2, p. 696. High plains, Llano Estacado. 
COMMELYNACEJX. 
TRADESCANTIA VIRGINIANA, Linn.; Kunth, Enum. 4, p. 81. Head-waters of the Colorado and 
on the Pecos; March and April. Very variable as to size, pubescence, and breadth of the 
deti ANGUSTIFOLIA, Micha. Fl. 1, p. 24. Near Fort Washita. 
IRIDACEZ. 
SISYRINCHIUM BERMUDIANA, Linn.; var. anceps, S. anceps, Cav. Dry soils, Llano Estacado. 
LILIACEA. 
Camassta FRASERI, Torr. in Whipple’s Report, ined. Scilla esculenta, Gawl. in Bot. Mag., t. 
1574; (excl. syn. Pursh.) f. angusta. S. angusta, Engelm. and Gray, Pl. Lindheim., part 
1, No. 198. Western Texas. 
ALLIUM MUTABILE, Michz. Fl. 1, p. 195. On the Pecos and the head-waters of the Colorado ; 
March to April. Flowers varying from deep rose red to nearly white. 
PsEuposcoRDUM STRIATUM, Herb. Nothoscordum striatum, Kunth, Enum. 4, p. 458. Allium 
striatum, Jacg. With the preceding. 
Yucca ANGUSTIFOLIA, Pursh, Fl. 1, p. 227. On the Pecos; April. Flowers in a long, narrow 
raceme, as large as in Y. filamentosa, greenish yellow mixed with purple. 
JUNACEJE. 
Juncus tents, Willd.; Torr. Fl. New York, 2, p. 329. Low grounds. Hueco Tanks. 
NARIADACEA. 
POTAMOGETON PRELONGUS, Wulf.; Gray, Bot. North. States, p. 456. Western Texas. 
CYPERACE. 
SCIRPUS LACUSTRIS, Linn.; Torr. Cyp., p. 321. In water; Llano Estacado; March. 
ELEOCHARIS OBTUSA, Schultes; Torr. l. c., p. 302. With the preceding. 
GRAMINE. 
CERATOCHLOA UNIOLOIDES, Beauv. Agrost. p. 75,0. 15, f. 1. Bromus Willdenovii, Kunth, Enum. 
1, p. 416. Head-waters of the Colorado; April. 
Tripsacum DACTYLOIDES, Linn. fil. Decad. 17, t. 9; Steud. Pl. Glum. p. 362. Llano Estacado. 
A tall rank grass, affording good fodder. 
Cutoris VERTICILLATA, Nutt. in Trans. Amer. Phil. Soc. (n. ser.) 5, p. 143. Sandy plains 
northeast of the Pecos; April. ĝ.? ARISTULATA ; spikes much shorter; awns scarcely half the 
length of the pale; lower glume obovate, rather obtuse. With the preceding. Not uncom- 
mon at the lower Rio Grande, where it was collected by Dr. Gregg, who says it is good fodder. 
The spikes are usually purplish, but sometimes yellowish. 
PANICUM PAUCIFLORUM, Ell. sk. 1, p. 120? On the Pecos; April. 
PHALARIS ANGUSTA, Nees; Trin. Gram. t. 78. Head-waters of the Colorado. 
Poa ARANIFERA, Torr. in Marcy’s Rep. p. 301. Head-waters of the Colorado; April 13. Also 
the var. 8. With the preceding, and Big Springs of the Colorado. 
———BZ x 
