LIST OF HIGHER SEED-PRODUCING PLANTS. 405 
North America; N. Br. to Cariboo mts., Brit. Col.; S. 
to Minn. and N. Eng. 
Minn. valley: N. H. district; tamarack swamps and 
woods. 
HERB.: Herrick 185, Minneapolis; Herrick 186, Minne- 
apolis. , 
MONOTROPA Linn. Gen. 815 (1737). 
Hypopitys Scor. Fl. Carn. I, 285 (1760). 
Benth. and Hook., Gen. Pl. II, 607; Durand, Ind. Gen. Phan. 246; Eng- 
ler and Prantl, Nat. Pflanz. 4, I, 10 (Drude); Schenck, Palaeophyt. 733 
Baillon, Hist. Pl. XT, 152. 
Living species: 3; N. America to Mexico; Europe; 
Asia to India and Japan. N. America, 3; 1 sp. endemic. 
Fossil species: Miocene of Oeningen (Heer), 
Monotropa uniflora Linn. Spec. 555 (1753). 
M. morisoniana MicHx. Fl. N. Am. I, 226 (1803). 
M. morisoni PERS. Syn. I (1805), . 
Wats. and Coult., Gray’s Man. 6 ed. 325; Upham, Fl. Minn. 95; Britt., 
Fl. N. J. 164; Chap., Fl. S. St. 268; Mac., Fl. Can. I, 307; Coult., Fl. Colo. 
231; Brew. and Wats., Fl. Calif. I, 463; Cov., Fl. Ark. 201; Forbes and 
Hems., Fl. Sin. II, 34; Engl. Drude, Nat. Pflanz. IV, 1, 10: Gray, Syn. Fl. 
II, 1, 49; Webb., Appx. Neb. 36; Coult., Fl. Tex. 254. 
Asia; Japan to Himalayas and N. India; S. America. 
North America: Anticosti, N. 8., N. Br., Q., Ont. to 
S. Man., Oregon and Rockies; S. to Colo. and Mexico; S. to 
Minn., Neb., Mo., Ark., Tex., and E. to Miss., Fla. and Atl. 
coast. 
Minn. valley: Forest district; rare; deep, rich wood- 
land. 
Hers: Bailey 156, Vermilion lake; Sandberg 387, 
‘“‘Minnesota”; Lange 5, St. Anthony Park. 
LXXXIII. ERICACEAE. Heath Family. 
Endlicher, Gen. Pl. 750 (1836-40); Lindl, Veg. Kingd. 757 (1846)— 
Vacciniaceae; Bentham and Hooker, Gen. Plant. II, 564, 577 (1876)—excl. 
Piroluceae and Clethraceae; Drude in Engler and Prantl, Nat. Pflanz. IV, 
1, 15 (1889); Baillon, Hist. Pl. XI, 122 (1892) tn part. 
Genera: 65 living; 3 fossil; cosmopolitan. 
Species: 1850+; rather more abundant in N. than in 
S. hemisphere; 30-40 fossil; doubtful. 
LEDUM Linn. Gen. 342 (1787). 
Dulia ADANS. Fam. Pl. II, 165 (1763). 
Benth. and Hook.. Gen. Pl. II, 599; Durand, Ind. Gen. Phan. 245; Eng- 
ler and Prantl, Nat. Pflanz. 4, I, 34 (Drude); Schenck, Palaeophyt. 728; 
Baillon, Hist. Pl. XI, 130. 
