CATALOGUE. 393 



culms very slender, 3'-3° high, geniculate at base ; sheaths smooth, exceed- 

 ing the internodes ; ligules elongated ; leaves short (^-4') and very narrow 

 or convolute-setaceous ; panicle diffuse, the capillary branchlets 2-4 together 

 and naked below ; glumes 2-flowered, with the plumose rudiment of a third, 

 2-3" long, exceeding the flowers; lower palet truncate and denticulate, 

 1-1^" long, awned below the middle, the awn 2-4" long, geniculate; 

 grain free, flattish, not grooved.— Californiaj Washington Territory ; West- 

 em Texas. Meadows near Salt Lake City, Utah ; 4,500 feet altitude ; May, 

 June. (1,345.) 



HiEKOCHLOA BOEEALis, R. & S. From the northern Border States to 

 the Saskatchewan, the Rocky Mountains, and Behring Strait ; Labrador ; 

 Colorado and California. Bear River Cafion of the Uintas ; 8,500 feet alti- 

 tude ; August. Refused even by hungry mules. (1,346.) 



Phalaeis arundinagea, L. From the Northern States to Hudson's 

 Bay and Bear Lake and west to Oregon. The P. arundinacea of Parke's 

 Report, collected on the Gila by Dr. Antisell, is rather the southern P. 

 intermedia, Bosc, which extends westward from Texas and the Indian Ter- 

 ritory to California. On stream-banks in the East Humboldt Mountains, 

 Nevada, in Salt Lake Valley, and on the Provo River in the Wahsatch ; 

 4,300-6,000 feet altitude ; June-August. Known as " Crazy Grrass " from 

 its reputed injurious effect upon horses. (1,347.) 



Beckmannia^ eefc^fokmis. Host. Steud. Oram. 15. Culms stout, 

 1-3 J° high, erect from an ascending base, with the sheaths glabrous ; lig- 

 ules elongated ; leaves linear, 4-8' long and 2-6" wide, flat, acute, scabrous ; 

 panicle 4-12' long, erect, strict, secund, the short crowded branchlets densely 

 flowered from the base, glabrous ; spikelets sessile, imbricately arranged in 

 two rows, nearly orbicular, 1^" in diameter, the upper rudimentary floret 

 minute, stipitate. — From the Saskatchewan to Bear Lake, south to the In» 

 dian Territory and west to Northern California and Oregon. West Hum- 

 boldt Mountains and Ruby and Thousand Spring Valleys, Nevada, and in 

 Salt Lake Valley, the Wahsatch and Uintas ; 4,300-7,500 feet altitude ; 

 June-September. (1,348.) 



' BECKMANNIA, Host. Panicle racemose, contracted. Spikelets compressed, 2-flowered, the 

 upper floret an abortive rudiment. Glumes 3, oborate, compressed'-boatBliaped, subcorJaceous, equal, a 

 little shorter than the flower, pointless. Palets membranous, the lower ovate, concave, aoutish, mucro- 

 nate, 3-nerved, .the upper 2-nerved, bifid. Stamens 3. Styles 2, with elongated plumose stigmas. 

 Scales 2, bifid, glabrous. Grain free, glabrous. — A coarse perennial aquatic. 



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