90 METASPERMAE OF THE MINNESOTA VALLEY. 
Hemicarpha micrantha (VAHL) Britt. Cat. N. J. 266 (1890).. 
Isolepis micrantha VAHL, Enum. (1806). 
Scirpus subsquarvrosus MuHL. Gram. 39 (1817). 
Hemicarpha subsquarrosa MART. Fl. Brazil II, 61 (1842). 
Wats. and Coult., Gray’s Man. 6 ed. 5838; Upham, FI. Minn. 150; Coult., 
Fl. Colo. 368; Wats., Fl. Calif. II, 220; Chap , Fl. 8. St. 513; Roth., Wheel. 
Exp. 275; Cov., Fl. Ark. 230; Webb., Appx. Neb. 24. 
Brazil and Central America. 
North America: N. Eng., N. J. to Fla.; W. to Minn., 
Colo., Calif. and Arizona. 
Minn. valley: Forest district; Ft. Snelling to Blue 
Earth Co.; probably infrequent; sandy lake-beaches. 
Hers.: Leiberg 78, Le Sueur river, Blue Earth Co. 
DULICHIUM Pers. Syn. I, 65 (1805). 
Benth. and Hook., Gen. Pl. III, 1046; Durand, Ind. Gen. Phan. 456; 
Engler and Prantl, Nat. Pflanz. 2, II, 107 (Pax). 
Living species: 1; N. America, Atlantic states. 
Dulichium spathaceum (Linn.) Pers. Syn. I, 65 (1805). 
Schoenus spathaceus LINN. Spec. ed. 2, 63 (1762). 
Cyperus spathaceus LINN. Syst. 84 (1774). 
Scirpus spathaceus Micux. Fl. N. Am. I, 32 (1803). 
Schoenus angustifolius VAHL, Enum. II, 225 (1806). 
Dulichium canadense PuRSH, Fl. Am. I, 54 (1814). 
Wats. and Coult., Gray’s Man. 6 ed. 573; Britt., Fl. N. J. 262; Mac., 
Fl. Can. II, 94; Upham, Fl. Minn. 150; Chap., Fl. S. St. 518; Engl. Pax, 
Nat. Pflanz. II, 2, 107; Cov., Fl. Ark. 229; Webb., Appx. Neb. 24. 
North America: N.8., N. Br., Saskatchewan and Van- 
couver; S. to N. J. and Fla.; W. to Minn., Neb. and Tex. 
Minn. valley: Forest district and N. edge; possibly 
S. W.; edges of lakes and marshes. 
HERB.: Ballard 833, Patterson lake, Carver Co.; Bal- 
lard 815, Page lake, Carver Co.; Ballard 775, Swan lake, 
Carver Co.; Macdf. and Sheld. 16, Brainerd; Sandberg 513, 
‘‘Minnesota”; Herrick 322, Minneapolis; Leibery 77, Blue 
Earth Co. 
CYPERUS Linn. Gen. 33 (1787). 
Bobartia LINN. Zeyl. 17 (1747). 
Mariscus VAHL, Enum. II, 372 (1806). 
Opetiola GAERTN. Fruct. I, 14 (1788). 
Adupla Bosc. Jaume St. Hil. Expos. Fam. Nat, I, 65 (1805), 
Pycreus Beavuy. Fl. Ow. and Ben. II, 48 (1807). 
Torreya and Distimus Rar. Jour. Phys. LXNXXIX, 105 (1819). 
Anosporum and Dichostylis Nres, Linn. TX, 287, 289 (1835). 
Trentepohlia BoECKL. Bot. Zeit. 249 (1858). 
Sorostachys and Atomostylis SreuD. Syn. Glum. IT, 315 (1855). 
