402 METASPERMAE OF THE MINNESOTA VALLEY. 
HERB.: Taylor 934, Glenwood; Sheldon 85, Elysian; 
Taylor 798, Glenwood; Herrick 122, Minneapolis; Sandberg 236, 
Chisago Co.; Roberts 48, Carlton's Peak; Roberts 49, Duluth; 
Oestlund 75, Hennepin Co. 
METACHLAMYDEAE. 
LXXXII. PIROLACEAE,. Pine-Sap Family. 
Lindl. Veg. King. 450, 452 (1846)— Monotropaceae; Bentham and Hooker, 
Gen. Pl. II, 681, 604 (1876)—Trib. V, Hricaceae and Monotropeae; Drude in 
Engler and Prantl, Nat. Pflanz. IV, 1, 2 (1889); Baillon, Hist. Pl. XI, 150. 
(1892). 
Genera: 10; N. boreal and temperate regions to Orizaba 
mt. and Himalayas; especially N. American; N. to Arctic circle. 
Species: 80+ living; 1-2 doubtful, extinct; Tertiary 
of Europe and Polar regions? 
PSEVA Rar. Jour. Phys. LXXIX, 261 (1809). 
Chimaphila PursnH, Fl. Am. Sept. I. 279 (1814). 
Benth. and Hook., Gen. Pl. II, 603; Durand, Ind. Gen. Phan. 246; 
Engler and Prantl. Nat. Pflanz. 4, I, 8; O. Kuntze, Rev. Gen. II, 390; Bail- 
lon, Hist. Pl. XI, 151 (sub Pérola). 
Living species: 4; Europe, N. America to Mexico; 
Japan and Corea. N. America, 8; Canada, 3; California, 2; E. 
Sts., 2; S. Sts., 2; Pl. King, 1. 
Pseva maculata (Linn.) OK. Rev. Gen. IT, 390 (1891). 
Pyrola maculata LInN. Spec. 565 (1753). 
Chimaphila maculata PursH. Fl. Am. 300 (1814). 
Wats. and Coult., Gray’s Man. 6 ed. 323; Rritt., Fl. N. J. 163; Chap., 
FI. S. St. 267; Upham, Fl. Minn. 95; Mac., Fl. Can. I, 306; II, 309; Cov., 
FI. Ark. 201; Gray, Syn. #1. II, 1, 45. 
North America: Ont. to Minn., S. to N. Eng., Ga. and 
Miss.; W. to Ark. 
Minn. valley: Reported from N. &. district and N. 
edge; no Minn. specimens seen. 
Pseva umbellata (Linn.) OK. Rev. Gen. ITI. 890 (1891). 
Pyrola umbellata Linn. FI. Dan. 1336 (1757). 
Chimaphila corymbosa Pursu, Fl. Am. 300 (1814). 
C. umbellata Nutt. Gen. I, 274 (1818). 
Pyrola corymbosa BERTOL. Misc. III, 12 (1834). 
Wats. and Coult., Gray’s Man. 6 ed. 323; Britt., Fl. N. J. 163; Mac., 
Fl. Can. I, 306; Chap., Fl. 8. St. 267; Upham, Fl. Minn. 95; Brew. and 
Wats., Fl. Calif. I, 459; Nym., Fl. Eur.; Herd., Fl. Eur. Russ. 84; Wats., 
King Exp. 212; Engl. Drude, Nat. Pflanz. IV. 1, 8; Gray, Syn. Fl. II, 1, 45. 
N. Europe to Switzerland, Bohemia, Poland; N. Asia 
to Japan. 
North America: N.S.,N. Br. Q., Ont. to Brit. Col. 
