78 TRANSACTIONS OF THE [ FEB. 22, 
15. Scirpus Smithii, A. Gray. 
Scirpus Smithii, A. Gray, Man. Ed. 5, 563 (1867). 
Pennsylvania: shores of the lower Delaware (C. E. Smith); 
Presque Isle, Lake Erie (Garber). New Jersey: Camden (Parker) ; 
Little Timber Creek (A. H. Smith); Budd’s Lake (Porter). New 
York: Watertown and Sackett’s Harbor (Gray); Luzerne (Clin- 
ton); Sodus Bay (Paine). Massachusetts: Williamstown (Tor- 
rey). Rhode Island: Kingston (Morong). Vermont: Ferrisburgh 
(C. E. Faxon). Michigan: Pine Lake, near Agricultural College 
(Wheeler). Minnesota: Hennepin Co. (Sandberg). 
16. Scirpus mucronatus, L. 
Scirpus mucronatus, L. Sp. Pl., 50 (1753). 
In aswamp in Delaware Co., Pa. (C. E. Smith); the only known 
American locality. 
17. Scirpus Americanus, Pers. 
Scirpus Americanus, Pers., Syn., i, 68 (1805). 
Scirpus triqueter, Michx., Fl. Bor. Am., i, 47 (1803), not L. 
Scirpus pungens, Vahl, Enum., ii, 255 (1806). 
Scirpus mucronatus, Pursh, Fl. Am. Sept., i, 55 (1814), not L. 
In salt or fresh marshes and low grounds throughout North 
America. Also in Chili. 
Var. longispicatus, n. var. 
Spikes 2-4, 1-2 cm. long, pale; bristles longer than those of the type, and 
achenium more broadly obovate. 
New Mexico: (Wright, 1963). Colorado: Platte River, near 
Denver (Dr. Geo. Smith). 
18. Scirpus Nevadensis, 5. Wats. 
Scirpus Nevadensis, 8. Wats., Bot. King’s Exp., 360 (1871). 
Nevada: Soda Lake (Watson, 1213); Hawthorn (Jones, 4088). 
California: borders of Mono Lake (Brewer, 1846). Oregon: Har- 
ney Valley (Howell). Western British America: Rocky Moun- 
tains (Bourgeau); Cypress Hills, Old Wives’ Lakes, and Great 
Plains (Macoun). British Columbia (Fletcher). Also in South 
America: Catamarca (Grisebach); Atacama (Philippi). 
19. Scirpus Olmeyi, A. Gray. 
Scirpus Olneyi, A. Gray, Bost. Journ. Nat. Hist., v, 238 (1845). 
In salt marshes, Rhode Island to Florida, Texas, Arizona, Mexico, 
extending to Arkansas (Coville), and along the Pacific coast to 
Oregon. Also in the West Indies. 
