LIST OF HIGHER SEED PRODUCING PLANTS. 197 
Urtica gracilis Arr. Hort. Kew. I, 341 (1789). 
U. dioica Micux. FI. N. Am. II, 112 (1803). 
U. procera PursH, FI. Am. I, 113 (1814). 
U. dioica var. procera WEDD. DC. Prodr. XVI, 1, 52 (1869). 
Wats. and Coult., Gray’s Man. 6 ed. 465; Britt., Fl. N. J. 217; Coult., 
Fl, Colo, 330; Mac.. Fl. Can. I, 430; Webb., Fl. Neb. 111; Upham, Fl. 
Minn. 124; Chap., FI. 8. St. 412; Wats., King Exp. 321; Roth., Wheel. Exp. 
238; Cov., Fl. Ark. 219; Rothr., Alask. 454 ? 
North America: N.S. to Saskatchewan and Rockies; 
N. to Ft. Franklin on Mackenzie; 8. to N. Eng., N. J., Ga.; W. 
to Colo., Neb. and Ark 
Minn. valley: Throughout; abundant; banks of streams, 
edges of fields and moist banks. 
HeRB.: Taylor 841, Glenwood; Tuylor 186, Janesville; 
Taylor 304, Janesville; Ballard 361, Helena, Scott Co.; Sheldon 
362a, Elysian; Sheldon 834, Sleepy Eye; Kassube 214, Minne- 
apolis; Herrick 270, Minneapolis; Oestlund 172, Minneapulis; 
Bailey 267, Vermilion lake; Herb. Sheld. 1700, Minneapolis; 
Herb. Moyer 221, Montevideo. 
LAPORTEA GaupicH. Freyc. Voy. Bot. 498 (1826). 
Disocarpus Lies. K. Dan. Vid. Sel. Schr. 5, II, 308 (1851). 
Dendrocnide Mig. Pl. Jungh. I, 29 (1851). 
Sclepsion Rar. MSS. ex Baillon, 1. c. (1872). 
Urticastrum Morr. Hort. Priv. (1736). 
Baillon, Hist. Pl. III, 519; O. Kuntze, Rev. Gen. II, 634; Benth. and 
Flook., Gen. Pl. III, 383; Durand, Ind. Gen. Phan. 8?7; Engler and Prantl, 
Nat. Pflanz. 3, I, 106 (Engler). 
Living species: 25; tropical regions and a few in extra- 
tropical N. America; S. Sts., 1; E. Sts., 1; Canada, 1; Rocky 
mts., 1; U. S., 1-2. 
Laportea canadensis (LINN.) GAUDICH. Uran. 498 (1826). 
Urtica canadensis LINN. Spec. 1397 (1753). 
U. divaricata PursH, Fl, Am. 113 (1814). 
Sclepsion divaricatum RAF. MSS. 
Urtica whitlowi MUHL. Cat. (1818). 
Fleurya canadensis B. and H. Fl. Nig. 517 (1849). 
Wats. and Coult., Gray’s Man. 6 ed. 465; Britt., Fl. N. J. 218: Coult., 
Fl. Colo. 331; Mac., Fl. Can. 48); Webb., Fl. Neb. 111; Chap., Fl. S. St. 
413; Upham, Fl. Minn. 124; Cov., Fl. Ark. 219; Engl., Nat Pflanz. III, 
1, 106. 
, North America: N.S., N. Br., Q., Ont. to Sault Ste. 
Marie; S. to N. J. and Fla.; W. to Kan., Neb. and Dak. 
Minn. valley: Throughout; abundant; damp and rich 
woodland and shaded river banks. 
HerRB.: Sheldon 40, Elysian; Sheldon 460, Madison 
Lake, Blue Harth Co.; Sheldon 854, Sleepy Eye; Ballard 7us, 
