78 TRANSACTIONS OF THE [fEB. 22, 



15. Scirpiis Sinithii, A. Gray. 

 Scirpus Smithii, A. Gray, Man. Ed. 5, 563 (1867). 



Pennsylvania: shores of the lower Delaware (C. E. Smith); 

 Presque Isle, Lake Erie (Garl)er). 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: Willianistown (Tor- 

 rey). Rhode Island: Kingston (Morong). Vermont: Ferrisburgh 

 (C. E. Faxon). Michigan : Pine Lake, near Agricultural College 

 (Wheeler). Minnesota: Hennepin Co. (Sandberg). 



16. Scirpus niucrouatus, L. 



Scirpus mucronatus, L. Sp. PI., 50 (1753). 



In a swamp in Delaware Co., Pa. (C. E. Smith) ; the only known 

 American locality. 



17., Scirpus Aniericanus, Pers. 



Scirpus Americanvs, Pers., Syn., i, 68 (1805). 



Scirpus triqtieter, Michx., Fl. Bor. Am., i, 47 (1803), not L. 



Scirpus pu»pens,Y a,h\, 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. lougispicatus, 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 IVeTadensis, S. Wats. 

 Scii-pus Nevaclensis, S. Wats., Bot. King's Exp., 360 (1871). 



Nevada: Soda Lake (Watson, 1213); Hawthorn (Jones, 4088). 

 California: borders of Mono Lake (Brewer, 1840). Oregon: Har- 

 ney Yalley (Howell). Western British America: Rocky Moun- 

 tains (Bourgeau); (I^ypress Hills, Old Wives' Lakes, and Great 

 Plains (Macoun). British Columbia (Fletcher). Also in South 

 America: Catamarca (Grisebach); Atacama (Philippi). 



19. Scirpus Olueyi, 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 PaciGc coast to 

 Oregon. Also in the West Indies. 



