1892. ] NEW YORK ACADEMY OF SCIENCES. 79 
20. Scirpus Torreyi, Olney. 
Scirpus Torreyi, Olney, Proc. Providence Franklin Soc., i, 32 (1847). 
In wet places. Rhode Island: Smithfield and Providence (Olney). 
' Massachusetts: near Boston (Hitchings—specimens young and re- 
ferred here with doubt). Vermont: banks of the Winooski River 
(Morong). New 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. (Houghton, 
14). 
21. Scirpus cylindricus (Torr.). 
Scirpus maritimus, var. cylindricus, Torr., Ann. Lyc. N. Y., iii, 325 (1836). 
Scirpus macranthus, Boeckl., Flora, 1858, 415. 
Scirpus leptolepis, Chapm., Fl. 8. U. 8., 520 (1860). 
Scirpus Canbyi, A. Gray, Am. Journ. Sci. (III), xxxviii, 289 (1864). 
Rhynchospora etuberculata, 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 lacustris, L. 
Scirpus lacustris, L. Sp. Pl., 48 (1753). 
Scirpus validus, Vahl, Enum , ii, 268 (1806). 
Scirpus acutus, Muhl., Gram., 33 (1817). 
Scirpus orgyralis, 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, 8. Wats. 
S. lacustris, var. occidentalis, S. Wats., Bot. Cal., ii, 218 (1880). 
California (Bolander, 6231): Sacramento Valley (Wilkes Exp.) ; 
Kern Co. (Greene). Nevada (Torrey, 555); 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). 
Llytrospermum Californicum, C. A. Meyer, Mem. Acad. Petersb. (V), i, 200, t. 2, 
1830. 
Scirpus riparius, Presl., Rel. Henk., i, 193 (1830), not Spreng. 
Scirpus Tatora, Kunth, Enum., ii, 166 (1837). 
Inswamps. 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. 
