76 TRANSACTIONS OF THE [FEB. 22, 
Hall and Harbour’s No. 583 is mixed, for Mr. Clarke informs me 
that that number in Herb. De Candolle is S. czspitosus. 
4, Scirpus czspitosus, L. 
Scirpus ceespitosus, L., Sp. Pl., 48 (1753). 
Eleocharis cespitosa, Nees, Linnea, ix, 294 (1835). 
Greenland and Labrador to Alaska and British Columbia; south 
to the mountains of New England, and on the higher southern 
Alleghenies; western New York, Illinois, Michigan, Minnesota, 
and in the Rocky Mts. south to Colorado (Hall and Harbour, 583, 
in Herb. D. C., fide C. B. Clarke). A form with greatly elongated 
stems from Cape Breton Island (Macoun). Also in Europe and 
Asia. 
+ + Spikes 1 or 2, subtended by an involucral bract or leaf. 
5. Scirpus Clintoni, A. Gray. 
Scirpus Clintoni, A. Gray, Am. Journ. Sci. (II), xxxviii, 290 (1864). 
S. planifolius, var. brevifolius, Torr., Ann. Lyc., iii, 442 (1836), not S. brevifolius, 
Roxb. 
St. Patrick, New Brunswick (Vroom); western New York 
(Clinton); Lansing, Mich. (L. H. Bailey); Hubbardston, Mich. 
(C. F. Wheeler). Also Broad River, N. C. (Rugel, in Herb. Kew, 
fide Clarke). 
6. Scirpus planifolius, Muhl. 
Scirpus planifolius, Muhl., Gram., 32 (1817). 
Isolepis planifolia, Spreng., Neue Ent., iii, 10 (1822). 
Eleocharis planifolia, Nees, Linnea, ix, 294 (1835). 
Dry woodlands, Rhede Island to Delaware, west to western New 
York and Pennsylvania. Also in western Missouri (B. F. Bush, 
fide S. Watson). 
7. Scirpus subterminalis, Torr. 
Scirpus subterminalis, Torr., Fl. N. U.5., i, 47 (1824). 
In ponds and streams, New Brunswick to the Canadian Rocky 
Mountains, Washington, and Oregon, south to New Jersey, Penn- 
sylvania, and Michigan. 
S. sublerminalis, var. terrestris, Paine, Cat. Pl. Oneida Co., 96 
(1865), is the emersed state of the species. Litchfield, N. Y. (Paine); 
Hidden Lake, Herkimer Co., N. Y. (Clinton). 
8. Scirpus cernuus, Vahl. 
Scirpus cernuus, Vahl, Enum., ii, 285 (1806). 
Scirpus riparius, Spreng., Syst., i, 208 (1825). 
Scirpus pygmeus, A. Gray, Proc. Amer. Acad., vii, 392 (1868). 
Isolepis leptocaulis, Torr., Bot. Whipple Exp., 97 (1857). 
Isolepis pygmea, Kanth, Enum., ii, 191 (1837). 
Isolepis pygmea, var. Californica, Torr., Bot. Wilkes Exp., 476 (1874). 
In wet places, British Columbia, Oregon, and California. Also 
in South America and in Europe and Australia. 
ee 
ee meres, 
