CATALOGUE. 



363 



Kentucky. East Humboldt Mountains, Nevada; 8,500-9,000 feet altitude; 

 July. (1,223.) 



Var. GRACILIS, Boott, in part. Spikes chestnut-colored, narrow, ovate, 

 with 4-6 ovate few-flowered spikelets ; leaves lax, long, and narrow.— Colo- 

 rado (592 Hall & Harbour, 603 Vasey) and New Mexico, (884 Fendler.) In 

 the East Humboldt Mountains, Nevada, and in the Wahsatch above Salt Lake 

 City; 5-9,000 feet altitude ; May-August. (1,224.) 



Caeex Douglasii, Boott. Spike dioecious, with about twelve, some- 

 times more, ovate spikelets, the upper closely aggregated, the lower occasion- 

 ally remote and compound ; bracts sometimes setaceous, broad at base, some- 

 times scale-like and mucronate; style exserted; stigmas 2, very long; peri- 

 gynium elliptic-lanceolate or ovate, tapering to a long serrated bifid beak, 

 shorter than the lanceolate acute scale; achenium orbicular. Eoot creeping; 

 culm 6-12' high. (C. Nuttnllii, Dew., Sill Jour. 43. 92, 1841. C. Meekii 

 Dew., Sill. Jour., n. s., 24. 28, 1857. C. siccata. Dew., in Emory's Report.)— 

 In various collections ; from the Rocky Mountains in latitude 52° to Wash- 

 ington Territory and southward to California, Nebraska, Colorado, (594 

 Vasey, Rev. E. L. Greene,) New Mexico, (878 Fendler,) and Northern Mex- 

 ico, (Parry.) Rather frequent on slightly moist foot-hills and ridges in West- 

 ern Nevada, at 4-6,000 feet altitude, and found in the Wahsatch at the height 

 of 7,000 feet; May-August. (1,225.) 



Var. MINOR, Olney. (C. petasata, Dew., in Hay den's Nelraska Plants.) 

 Spikes small, not closely aggregated; perigynium and scale small. — Ne- 

 braska, (Hayden, 600 Hall & Harbour.) 



Var. BRUNNEA, Olney. Leaves longer or equaling the culm ; spikelets few ; 

 bracts scale-like, the lower long-awned ; scales and stigmas brown. — Califor- 

 nia, (805 Coulter, 4503 Bolander.) Carson and Steamboat Spring Valleys, 

 Nevada ; 4,500 feet altitude ; May. All immature. (1,226.) 



Caeex marcida, Boott. Spike oblong, pale, composed of numerous small 

 ovate aggregated androgynous spikelets, staminate at top, the lower spikelets 

 compound; stigmas 2 ; perigynium tawny, suborbicular, or ovate tapering to 

 a bifid beak, plano-convex, nerved, winged, the upper margins serrated, short- 

 on a delicate plant originally from Carlton House, the specimen not mature, and tlie seed liad no 

 nerves ; your specimens are mature and show more or fewer nerves, the splculse 4-6. (Are they ever 

 more numerous ?) It is near C. murkata, L., but differs in erect appressed seeds and smaUer spiculse, all 

 of which have bracts and cuspidate squama." — C. Sookeruma, Dew., in Bot. Mex. Bound., is, I think, 

 C. muricata. . 



