longis ex ore ohliquo acuminatie; spicula ovali obtasinsenla 
vir supra lineam longa W-- i0-Nora; squamis minimis 
subaequalibus, fructiferis patalis, oblongis abtusis carinato- 
‚navicularibus, dorso angusto fuseo -sangnineis, lateribus api- 
'ceque hyalino-albidis; caryopsi minutissima squama breviore 
obovata aequilatere triangulari, angnlis prominulis, Zubercn- 
lato-rugulosa albida imargaritaceo-nitidula; tuberculo dre- 
vissimo conico annulo vugoso circumdato; setis (au sem- 
per?) nullis. 
Mirador, Mexicanor. (Liebmann, no. 608). 
2%. M. Torreyana Bcklr. 
Radive fibrosa pertenni; culmis dense fasciculatis erectis 
eapillaribus 6-— 2 poll. altis quadröqueiris, lateribus tribus 
profundiuscule suleatis; vagina interiore '"z —1 poll. longa 
perangusta herbacea ore snbebliquo breviter acuminata; spi- 
eula oblonge (minorib. ovato-ohlongis) obtusa 2% —1 "5 lin. 
longa 30—15-/lora ; squamis (minimis) subaequalibus demum 
patolis ovato- ellipticis obtusiusculis versus apicem angu- 
statis, evidenter carinatis, dorso ferrugineo - sangnineis, 
marginibus (vix apice) pallidioribns v. albidis, nervo mediano 
viridi; caryopsi minuin squamam fere aequante obovato- 
pyriformi aequilatere triangulari, angulis prominentibus, vi- 
ridi-albida; tubereulo parro abbreviato-conico; setis suhti- 
libus pallidis caryopsin subaequantibus. 
E. microcarpa ß. ? filiculmis 'Tors. 1. e. 312. Gray 
Man. ed, II: p. 498. . 
America septentr. 
3%. 3, prolifera Torr, 
Viridis. Culmis setaceis saepiss, valde elongatis, 12 poll. 
altis (12—4-poll., 'Torr.) compresso -angulatis suleatisque; 
