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. E. district; tamarack swamps and 

 woods. 



Herb.: Herrick 185, Minneapolis; Herrick 186, Minne- 

 apolis. 



MONOTROPA Linn. Gen. 315 (1737). 

 Hypopitys Scop. F1. Carn. I, 285 (1760). 

 Benth. and Hook., Gen. PI. II, 607; Durand, hid. Gen. Phan. 246; Eng- 

 ler and Prantl, Nat. Pfianz. 4, I, 10 (Drude); Schenck, Palaeophyt. 733 

 Balllon, Hist. PI. XI, 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 imiflora 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; Gov., 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. S., 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. 



Herb : Bailey 156, Vermilion lake; Scmdberg 387, 

 "Minnesota"; Lange 5, St. Anthony Park. 



LXXXIII. ERICACEAE. Heath Family. 



Endlicher, Gen. PL 750 (1836-40); Lindl., Veg. Kingd. 757 (1846)— 

 Vocciniuceae; Bentham and Hooker, Gen. Pto?ji. II, 564, 577 (1876)— excl. 

 Pirolaceae and Clethraceae ; Drude iu Engler and Prantl, Nat. Pflanz. IV, 

 1, 15(1889); Baillon, Hist. PI. XI, 122 (1892) in ;)arf. 



Genera: 65 living; 3 fossil; cosmopolitan. 

 Species: 1350 ±; rather more abundant in N. than in 

 S. hemisphere; 30-40 fossil; doubtful. 



LEDUM Linn. Gen. 342 (1737). 



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, HisL PL XI, 130. 



