176 BOTANY. 
SMILACE Al, 
Smmax Hastata, Willd. Sp. p. 182; Ell. Sk. 2, p. 696. High plains, Llano Estacado. 
COMMELYNACES. 
TRADESCANTIA ViraIntANna, 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 
leaves. 
CoMMELYNA ANGUSTIFOLIA, Michx. Fl. 1, p. 24. Near Fort Washita. 
TRIDACEZ. 
SisyRiNcHIuM Bermuprana, Linn.; var. anceps, 8. anceps, Cav. Dry soils, Llano Estacado. 
LILIACEZ. 
CamasstA Frasert, Zorr. in Whipple’s Report, ined. Scilla esculenta, Gawl. in Bot. Magq., t. 
1574; (excl. syn. Pursh.) f. angusta. 8. angusta, Hngelm. and Gray, Pl. Lindheim., part 
1, No. 198. Western Texas. 
ALLIUM MUTABILE, Miche. 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, 
PseuDoscorDUM sTRIATUM, Herb. Nothoscordum striatum, Kunth, Enum. 4, p. 458. Allium 
striatum, Jacg. With the preceding. 
Yucca aNneustirotra, Pursh, Fl. 1, p. 227. Onthe Pecos; April. Flowers ina long, narrow 
raceme, as large as in Y. filamentosa, greenish yellow mixed with purple. 
JUNACEA. 
Juncus Tentus, Willd.; Torr. Fl. New York, 2, p. 329. Low grounds. oo Tanks. 
NARIADACE. 
POTAMOGETON PRELONGUS, Wulf.; Gray, Bot. North. States, p.456. Western Texas, 
CYPERACEA. 
Scirpus tacustris, Linn.; Torr. Cyp., p. 321. In water; Llano Exstacado; March. 
Etxocuanis optusa, Schultes; Torr. l. c., p. 302. With the preceding, 
GRAMINEA, 
CERATOCHLOA UNIOLOIDES, Beauv. Agrost. p. 75,t.15, 7.7. Bromus Willdenovii, Kunth, Enum. 
1, p. 416. Head-waters of the Colorado; April. 
TripsacuM DactyLores, Linn. fil. Decad. 17, t. 9; Steud. Pl. Glum. p. 362. Llano Estacado. 
A tall rank grass, affording good fodder. 
CHLORIS VERTICILLATA, Nutt. in Trans. Amer. Phil. Soe. (n. ser.) 5, p. 143. Sandy plains 
northeast of the Pecos; April. .? ARISTULATA ; spikes much shorter; awns scarcely half the 
length of the palee; 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 paucirLorum, Ell. sk. 1, p.120? On the Pecos; April. 
PuataRis ancusta, 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. 
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