1892.] NEW YORK ACADEMY OP SCIENCES. 79 



20. Scirpiis Torreyi, Olney. 

 Scirpus Torreyi, Olney, Proc. Providence Franklin Soc, i, 32 (1847). 



In wet places. Rhode Island: Smithfield and Providence (Olney). 

 Mas.«achusetts : near Boston (Hitchings — specimens yoiint>- and "re- 

 ferred here with doubt). Yerniont: banks of the Winooski River 

 (Moronor). Xew York : West Point (Torrey); Buffalo (Clinton). 

 Pennsylvania: near Warrior's Mark, Huntingdon Co. (Lowrie); 

 Round Lake, Carbon Co., and 12 mile pond, Pike Co. (Porter). 

 Minnesota: Hennepin Co. (Sandberg). Kansas: Manhattan (Kel- 

 lerman)? Manitoba: Lake of the Isles, N. W. Terr. (Houohton 

 U). 



21. Scirpus cylindriciis (Torr.). 



■^cii-piis maritimux, var. cylindricus, Torr., Ann. Lye. N. Y., iii, 325 (1836). 



Scirpus macrnnthits, Boeekl., Flora, 18.58, 415. 



Scirpus leptolepis, Chapm., Fl. S. U. S., 520 (1860). 



Scirpus Canhiji, A. Gray, Am. Journ. Sci. (Ill), xxxviii, 289 (1864). 



Rhynchospora etuherculata, Steud., Cyp., 142 (1855). 



Maryland : Salisbury (Canby, Commons). North Carolina (Dr. 

 Loomis, G. McCarthy). Georgia: Columbus (Dr. Boykin). Florida 

 (Chapman). Louisiana (Hale). Alabama: Mobile (Sullivant). 



22. Scirpus laciistris, L. 



Scirpus laciistris, L. Sp. PL, 48 (1753). 

 Scirpus validiis, Vahl, Ennra , ii, 268 (1806). 

 Scirj>us acutiis, Muhl., Gram., 33 (1817). 

 Scirpus oryyralis, Raf., Ann. Nat., 16 (1820). 



In ponds and streams throughout North America. Also in 

 Mexico and the West Indies, and widely distributed in the Old 

 World. 



Var. occidentalis, S. Wats. 

 5. lacustris, var. occidentalis, S. Wats., Bot. CaL, ii, 218 (1880). 



California (Bolander, fi231): Sacramento Valley (Wilkes Exp.); 

 Kern Co. (Greene). Nevada (Torrey, 5.5.5); Mouth of Reese River 

 (Watson, 1212). New Mexico (Wright, 1940; Wheeler Exp., 104). 

 Arizona: Santa Cruz River (Pringle). British Columbia (Macoun). 



23. Scirpus Californicus (C. A. Meyer). 



Elytrospermum Californicum, C. A. Meyer, Mem. Acad. Petersb. (V), i, 200, t. 2, 



1830. 

 Scirpus riparius, PresL, Rel. Haenk., i, 193 (1830), not Spreng. 

 Scii-pus Tatora, Kunth, Enum., ii, 166 (1837). 



In swamps. Florida (Chapman) ; Louisiana (Hale) ; New Mexico 

 (Wright, 1939). Found also by Rev. Dr. Wibbe, at Oswego, N. Y. ; 

 widely distributed in southern and central California, Mexico, Cen- 

 tral, and South America. 



