470 PROCEEDINGS OP THE AMERICAN ACADEMY. 



ascending spikelets 3 to 7 mm. long, approximate : the linear-lanceolate 

 perigynia plump at base, about 1 mm. wide. — C. scoparia, var. minor, 

 Boott, 111. iii. 116, t. 369; Gray, Man. ed. 5, 579; Bailey in Gray, 

 Man. ed. 6, 621 ; Howe, 1. c. 43. — Dry or rocky soil, or open woods. 

 Newfoundland, Whitbourne, Aug. 15, 1894 (Robinson § Schrenk, no. 

 94) : Prince Edward Island, Tignish, July 20, 1888 (J. Macoun, Herb. 

 Geol. Surv. Can. no. 30, 382) : New Brunswick, Nepisiquit Lakes, July, 

 1884 (J. Brittain, Herb. Geol. Surv. Canada, no. 30,377) : Quebec, 

 Riviere du Loup, Aug. 2, 1896, Lake Edward, Aug. 21, 1896, Tadou- 

 sac, Aug. 26, 1896 (Ezra Brainerd) ; Roberval, July 27, 1892 ( G. G. 

 Kennedy) : Manitoba, Lake Winnipeg, July 29, 1884 (John Macoun, 

 Herb. Geol. .Surv. Can., no. 30,307, in part) : Assiniboia, Cypress 

 Hills, June 25, 1894 (J. Macoun, Herb. Geol. Surv. Can., no. 7,461) 

 Saskatchewan, Carleton House and Bear Lake (Sir John Richardson) 

 Athabasca (Sir John Richardson, Herb. Geol. Surv. Can. no. 30, 396) 

 Maine, Van Buren, July 25, 1893 (M. L. Fernald, no. 163); St. Fran- 

 cis, Aug. 7, 1893, Farmington, July 8, 1896 (31. L. Fernald) ; Beech 

 Mt., Mount Desert Island, Aug. 20, 1890, Somesville, July 5, 1891, 

 Southwest Harbor, Aug. 1, 1892, Little Cranberry Isle, July 10, 1894, 

 Seal Harbor, July 5, 1897 (E. L. Band) ; Gilead, Aug., 1897 (Kate 

 Furbish) : New Hampshire, Randolph, July 23, 1897 (E. F. Wil- 

 liams); near Crawfords, July 6, 1878, Mt. Washington, July 29, 1887, 

 Franconia, July 6, 1878 (E. fy C. E. Faxon); Crawford Notch, 

 Aug. 24, 1891, Aug. 13, 1897, and Lebanon, July 22, 1890 ( G. G. 

 Kennedy): Vermont, Mt. Mansfield, July 24, 18$4 (C. W. Swan), 

 Sept. 9, 1897 (E. Brainerd); Willoughby, July 21, 1896 (G. G. Ken- 

 nedy); Middlebury, July 11, 1896, Ripton, July 19, 1898 (E. Brain- 

 erd); Rutland, July 1, 1899 (W. W. Eggleston) : Massachusetts, 

 Maiden and Revere, June 21, 1879 (H. A. Young) ; Chelsea, July 19, 

 1891 (W. F. Rich): Michigan, Houghton, Sept. 15, 1871 (H. Gill- 

 man) ; Keweenaw Co., Sept., 1888 (O. A. Fanvell). 



Var. vigens. — Fig. 14. — Stouter throughout: culms 3 to 6 dm. 

 high : leaves 2.5 to 3 mm. broad : spikelets mostly greener, 8 to 11 mm. 

 long, densely crowded in a broad-ovoid to globose head. — Thickets and 

 damp gravelly soil. New Brunswick, Cam pbellton, July 20, 1880 (R. 

 Chalmers, Herb. Geol. Surv. Can. no. 30,363) : Quebec, Gaspe, Aug. 

 1, 1882 (John Macoun) ; Riviere du Loup, July 20 and Aug. 4, 1896, 

 Lake Edward, Aug. 21, 1896 (Ezra Brainerd) : Ontario, Eastmans 

 Springs, Sept. 16, 1892 (/. Macoun, Herb. Geol. Surv. Can. no. 30, 

 386); Cache Lake, July 11, 1900 (John Macoun): Saskatchewan, 



