CATALOGUE. 383 



sheaths ciliate, dilated ; leaves 6-9" long ; panicle short, spicate, usually 

 sheathed at base; spikelets few, glumes 3 J" long, acuminate, purplish; lower 

 palet of the nearly sessile florets 2" long, very villous at base, lobes rounded 

 at the apex, lateral nerves marginal and but shortly produced ; upper palets 

 one-half shorter, oblanceolate, acutely 2-lobed at the apex, the nerves obscure, 

 marginal and slightly ciliate, the palet of the lower flower the larger ; lower 

 palet of the perfect flower similar but naked at base, the lateral lobes narrower 

 and attenuate upward, the middle awn somewhat margined above the sinus ; 

 upper palet ovate, 2-lobed at the apex, the lobes rounded and irregularly 

 short-serrate. — Found on dry barren foot-hills of the Trinity Mountains, 

 Nevada ; 4,500 feet altitude ; May ; also found by Dr. Torrey on foot-hills 

 east of Carson Sink. Plate XL. Fig. 10. A plant; natural size. Fig. 11. 

 Glumes. Fig. 12. Lower neutral florets. Figs. 13 and 14. Their upper 

 palets. Fig. 15. Perfect flower and terminal rudiment. Fig. 16. Upper 

 palet; all magnified four diameters. (1,300.) 



KcELEEiA CEiSTATA, Pers. From Pennsylvania to Illinois and the Sas- 

 katchewan, thence south and westward to Arkansas, Northern Texas, Colo- 

 rado, Utah, Northern California and Washington Territory. Antelope Island 

 in Salt Lake, and in the Wahsatch ; 4,500-6,000 feet altitude ; June. (1,301.) 

 Eatonia obtusata. Gray. From Pennsylvania to Florida and westward 

 to Wisconsin and the Saskatchewan, Arkansas and Texas ; Mono Lake, Cali- 

 fornia, (Bolander.) Truckee and East Humboldt Mountains, Nevada; 

 5-6,500 feet altitude; July, August. (1,302.) 



Melica POiEoiDES, Nutt. Plant. Gambel, Jour. Acad. Phil, n. s., 1. 188. 

 Culms erect, slender, 1^-2° high, often enlarged and bulb-like at base, 

 slightly scabrous above, nodes naked ; sheaths longer than the internodes and 

 scabrous, the ligules usually long and lacerated ; leaves scabrous, mostly flat 

 and elongated, 1-2" wide ; panicle narrow and often interrupted, the branches 

 unequal and erect, subscabrous, rarely spreading ; spikelets erect and scarcely 

 secund, 3-5-flowered, usually more or less purple ; glumes obtuse or acutish, 

 glabrous, 5-nerved ; lower palet about 4" long, 7-nerved, puberulent on the 

 back, membranous-margined, rather obtuse ; upper palet pubescent on the 

 nerves, erose-truncate ; grain 2" long. — The spikelet is at first close and lit- 

 tle longer than the glumes, becoming more open and somewhat longer. The 

 lower palet is described by Nuttall as but 5-nerved. Cahfornia to Oregon, 



