No. 34. 

 TRICHLORIS PLURFLORA Fourii. 



Planf ratliei- coarse, somcwliat crlaucous tlirouj^Loiit m- pm-plish in tbo inflor- 

 escence. 



Culms few, from loo.sely tufted, slightly bull:.ous Ijase, ei-ect. solid, terete, 

 smooth, rarely branching, Z to 3 feet tall. 



Leaves; radical and from sterile culms, numerous, with loose sheaths, and flat, 

 taper-pointed blades, 3 to 4 lines wide and 8 to 10 inches long, scabrous above and 

 below, with scattered hairs near the ligule; of stem 5 to 7; sheath equaling or 

 exceeding internode, loose and open above, smooth; blade like that of the radical 

 leaves; ligule a row of rusty, fine hairs i line long. 



Inflorescence an obovate panicle of 10 to 15 slightly spreading, narrow, sessile 

 approximate spikes, scattered one or twf) in a place along the short rachis. Spikes 

 unilateral, rachis hispid. 2 to 4 inches long. 



Spikelets nearly sessile, with 3 or 4 flowers, the upper ones sterile; first glume 

 narrowly-lanceolate, terminating in an awn-like point, hyaline, about 1 line long; 

 second glume larger, H to 2 lines long; flf)ral glumes narrowly-lanceolate, scabrous." 

 ciliate on the margins, 1-nerved. 3 lines long, terminating in 3 hispid awns, middle 

 one 4 lijies and lateral ones abemt 1 line long; palet lanceolate, acute, 3-uerved. 

 hyaline margins infolded; upper sterile glumes same as floral glumes but smaller 

 and lateral awns sometimes minute. 



(h-ain yellow, narrowly triangular, i line long. 



Plate XXIV; a, spikelet; b, floral glume: c, palet; d, emi.ty glumes. 

 Texas to Mexico, 



