360 BOTAHY. 



Cypeeus phymatodes, Muhl. From Florida to New York, and west to 

 New Mexico, Arizona, and California. Truckee River bottom, Nevada ; July, 

 August. Low, 6-10' in height. (1,208.) 



Eleochaeis palusteis, R. Br. From the Arctic Regions to the Grulf 

 and westward. Collected in Nevada and Utah. (1,209.) 



Var. Tall and stout, (2J° high,) with large loose deeply cleft sheaths ; 

 bristles exceeding the oblong-triangular obtuse tubercle. Fruit occasionally 

 ergotized. Huntington Valley, Nevada ; 6,000 feet altitude. (1,210.) 



Eleochaeis aciculaeis, R. Br. Northern States to Hudson's Bay and 

 the Saskatchewan, and southward to Florida and Texas ; California. Truckee 

 River bottom, Nevada. (1,211.) 



SciEPUS ToEEEYi, Oluey. New England to Pennsylvania and "Wiscon- 

 sin. Collected by Stansbury on Stansbury Island, Salt Lake, with longer and 

 larger spikes and the achenium with a shorter point than in the eastern form. 



SciEPUS VALiDUS, Vahl. From latitude 57° southward to Florida, Texas, 

 New Mexico, and Southern California. Frequent on stream-banks and in 

 marshes in the valleys of Nevada; 4-6,000 feet altitude. Growing 8-12° 

 high and 1' in diameter. (1,212.) 



SciEPUS Nevadensis. Culm 8-12' high, slender, terete, substriate, from 

 a perennial (?) root, exceeding the convolate leaves, which are flattened above 

 and rough margined ; spikes 1-2, 3-9" long, many-flowered and terete, ovoid 

 or ovate-oblong, acutish, sessile, much shorter than the semi-terete flattened 

 above and rough-margined erect involucral leaf; scales broadly ovate, obtuse 

 or acute with the projecting midvein, chestnut-colored, smooth and shining ; 

 stamens 3 ; style 2-cleft ; bristles 1-3, very short ; achenium broadly obovate, 

 plano-convex, very abruptly short-pointed, shining, minutely reticulated. — 

 Shore of Soda Lake in Carson Desert, Nevada; August. (1,213.) 



SciEPUS MARiTiMUS, L. Sea-coast and salt-springs from New Brunswick 

 to Florida; on the Saskatchewan; Washington Territory and California; 

 New Mexico and Arizona. Humboldt Valley, Nevada. (1,214.) 



SciEPUS MiCEOCARPUS, Presl. New England ; Northwest Coast, latitude 

 55°, (Scouler.) Monitor Valley, Pah-Ute and East Humboldt Mountains, 

 Nevada, and in the "Wahsatch; 5-7,000 feet altitude. (1,215.) 



FiMBEiSTYLis THEEMALis. Scabrous-pubescent throughout; culms 1-1^° 

 high, from a perennial stoloniferous root, rigid, compressed, striate ; leaves 

 shorter, 1-2" broad, channeled and more or less convolute ; spikes 3-5, the 



