217 



Fig. 211. LEPTOCHLOA SPICATA (Nees) Scribn. Proc. Acad. Nat. Sci. 

 Phila. 1891 : 304. 1891. {Bromus gjncatus Nees, Agrost. Bras. 471. 1829; 

 Diplachne simplex Doell in Mart. Fl. Bras. 2^: 97. 1878; D. spicata Doell, 1. c. 

 159. t. 28. f. 2. 1878; D. reverchoiiiYasey, Bui. Torr. Bot. Club, 13 : 118. 1886.)— A 

 low, densely csespitose perennial (?) with numerous setaceous basal leaves 

 and a slender scape-like culm 6-15 cm. (2i'-6') high. Leaves mostly basal, 

 numerous, narrow, involute, 3-5 cm. (l'-2') long. Panicle 5-10 cm'. (2'-4') 

 long. Spikelets (o) about 6 mm. (3") long, 8 to 10 flowered; empty glumes (b) 

 unequal, the second obtuse, one-third longer than the first; flowering glume 

 (c, d) ovate, short-awned between the two lobes at the apex, pubescent at the 

 base. The palea is shown by e.— Granite rocks, central Texas. (Mexico and 

 Brazil.) May to July. 



