314 METASPERMAE OF THE MINNESOTA VALLEY. 
L. myrtifolius MuHL. Willd. Spec. III, 1091 (1802). 
L, stipulaceus Torr. Cat. N. Y. 92 (1819). 
L, venosus var. D. T.and G. Fl. I, 274 (1838). 
L. polyphyllus Wats. King. Exp. 78 (1871). 
L. pubescens Port. FI. Colo. 32 (1874). 
Wats. and Coult., Gray’s Man. 6 ed. 144; Britt., Fl. N. J. 88; Coult., 
Fl. Colo. 73; Brew. and Wats., Fl. Calif. 1, 159; Chap., Fl. S. St. 99; Mac., 
Fl. Can. I, 122; Wats., Bibl. Ind.1, 230. 
North America: N. Br., Q. to Ont. and Minn.;S. to 
N. Car.; further range like that of type. 
Minn. valley: Forest district to Blue Earth Co.;N. 
edge; swamps and damp woods. 
HERB.: Sandberg 141, Wyoming. 
Lathyrus glaucifolius Beck. Bot. 90 (1833). 
L. pisiformis RicH. Frankl. Journ, 17 (1828). 
L. ochroleucus Hoox. FI. Bor.-Am. I, 159 (1833). 
L. albidus Bar. Man. (1836). 
Orobus ochroleucus A. BR. Ind. Sem. Berol. (1853). 
Wats. and Coult., Gray’s Man. 6 ed. 143; Britt., Fl. N. J. 89; Upham, 
Fl. Minn. 46; Mac., Fl. Can. I, 122; Wats., Bibl. Ind. I, 229. 
North America: Ottawa to Coast range of Brit. Col., 
and N. on Mackenzie river within the Arctic circle; S. to N. 
Eng., N. J. and W. to Minn., Iowa and Man. 
Minn. valley: Throughout; hillsides and shores of 
lakes and streams. 
Hers.: Ballard 597, Prior’s lake, Scott Co.; Ballard 
230, Jordan, Scott Co.; Sheldon 160, Madison Lake; Ballard 
131, Chaska; Batley 187, Vermilion lake; Kassube 57, Minne- 
apolis; Herrick 81, Minneapolis; Arthur 63, Vermilion lake; 
Sandberg 139, Goodhue Co.; Herb. Wickersheim 33, Ash lake, 
Lincoln Co. 
Lathyrus venosus Munu. Willd. Spec. ITI, 1092 (1802). 
L. decaphyllus Hoox. Fl. Bor.-Am. I, 159 (1833). 
Orobus venosus A. Br. Ind. Sem. Berol. (1853). 
Lathyrus ochroleucus ToRR. Wilkes Exp. 267 (1858). 
Wats. and Coult., Gray’s Man. 6 ed. 143; Britt., Fl. N. J. 88; Chap. 
Fl. S. St. 99; Coult., Fl. Colo., 73; Brew. and Wats., Fl. Calif. I, 159; Up: 
ham, Fl. Minn. 46; Mac, Fl. Can, I, 121; Roth., Wheel. Exp. 102; Cov., Fl. 
Ark. 176; Wats., Bibl. Ind. I, 231. 
North America: L. Superior reg. to Pac. and N. lat. 
52°; Washington, N. Calif. and Saskatchewan to Penn. and N. 
J.; S. in mts. to Colo. and Kan.; S. to Minn.; 8S. to Ga. and 
Miss. in Appallachians. 
Minn. valley: Throughout; river banks and shores of 
lakes. 
HerRsB.: Sheldon 1292, Lake Benton; Ballard 593, Pri- 
