FESTUCE.E. 



46T 



12-flowered, 9-11 mm. lon<x, more or less tinged with red; empty 

 glumes thin, 1-nerved, second ovate, obtuse or shortly mucronate, 

 glabrous, 4 mm. long; floral glume oval, 4 mm. long, villous to- 

 ward the base upon the 3 green nerves, the middle nerve shortly ex- 

 current between the short teeth; palea broad, the keels revolute 

 below. 



Texas, Reversion; New Mexico, Wriglif TTG, 777, 2045; Mex- 

 ico, Pringle 1970, Palmer 1371. 



Louisiana, New Mexico, western Texas, and Arizona. 



8. S. seslerioides (Miclix.) 

 Scribn. Mem. Torr. Club, 48 (1894). 

 Poa seslerioidex Miehx. Fl. Bor. 

 Am. 1:68 (1803). Poa quinque- 

 fida Pursh. FL Am. Sept. 1:81 

 (1814). Triodiacnprea J. F. Jacq. 

 Eclog. Gram. 2:21, t. 16 (1814). 

 Tricuspis seslerioides Torr. Fl. XT. 

 S. 1:118 (1824). Sieglingia flava 

 Kuntze, Rev. Gen. PL 789 (1891). 

 Poa Jiava L. = P. crocata Michx. 

 teste Munro, Journ. Linn. Soc. 6 : 43 

 (1862). S.Chapfuanii Snvd]l. in herb. 



A smooth upright showy grass, 

 80-150 cm. high. Sheaths com- 

 pressed, about the length of the inter- 

 nodes, ciliatenear the throat; ligule 

 a ciliate ring ; blades 3-5, flat, condu- 

 plicate or involute, 30-40 cm. long, 

 5-8 mm. wide. Panicle ample, finally 

 pyramidal, 20-30 or more cm. long, 

 rays clammy, capillary in sets of 

 2-4 or single, flower-bearing but 



little below the middle, hairy in the "^^f- , ^3. - Sieglinoi'' seslerioides. 



"^ A, 0, c, tJ, e. spikelet and dissec- 



axils. Spikelets very numerous, tions. (Sciibner.) 



linear-oblong, purple, 5 -7-flowered, 8-10 mm. long; empty glumes 



1-nerved, ovate, mucronate, second 3.5-4 mm. long; floral glume 4 



