364 METASPERMAE OF THE MINNESOTA VALLEY. 
Wats. and Coult., Gray’s Man. 6 ed. 93; Upham, Fl. Minn. 30; Britt., 
Fl. N. J. 67; Mac., Fl. Can. I, 84, 500; II, 312; Forbes and Hems., Fl. Sin. 
72; Led., Fl. Ross. I, 446; Wats., Bibl. Ind. I, 128. 
Altai and Baikal Siberia and China. 
North America: Montreal, Q., Ont. to plains of the 
Saskatchewan; 8S. to N. Eng., N. J., Penn., and W. to Iowa, 
Minn. and Dak. 
Minn. valley: Forest district and wooded banks; W. to 
Brown Co.; wooded banks of streams and cool ravines. 
HERB.: Sheldon 1164, New Ulm; Kassube 33, Tuttle’s 
creek, Hennepin Co.; Herb. Sheld. 1705, Minneapolis. 
Hypericum virginicum Linn. Spec. ed. 2, 1104 (1762). 
H. campanulatum WALT. FI. Car. 191 (1788). 
HA. emarginatum LAM. Enc. Meth. IV, 154 (1797). 
Triadenum purpurascens RAF. Med. Rep. V, 355 (1809) 
Elodes campanulata PursH, Fl. Am. 379 (1814). 
Elodes virginica Nutr. Gen. II, 17 (1818). 
Wats. and Ooult., Gray’s Man, 6 ed. 95; Upham, Fl. Minn. 31; Britt., 
Fl. N. J. 68; Chap., Fl. 8. St. 42; Mac., Fl. Can. I, 86; Wats., Bibl. Ind. I, 
124; Webb., Appx. Neb. 32. 
North America: N.S. to Winnipeg and Hudson Bay; 
S. to N. Eng. and Fla.; W. to Minn., Man. and Neb. 
Minn. valley: Forest district and banks of streams; 
Ft. Snelling to Blue Earth Co.; marshes, swamps and wet 
woods. 
HERB.: Sheldon 327, Smith’s Mills, Blue Earth Co.; 
Ballard 817, Page lake, Carver Co.; Ballard 855, Page lake; 
Ballard 902, St. Bonifacius; Bailey 55, Vermilion lake; Holz- 
inger 33, Winona Co.; Roberts 19, Duluth; Sandberg 89, Chis- 
ago Co. 
LXXI. CISTACEAE,. Rock-Rose Family. 
Endlicher, Gen. Pl. 903 (1836-40); Bentham and Hooker, Gen. Pl. 
I, 112 (1862); Baillon, Hist. Pl. IV, 323 (1873). 
Genera: 4; temperate N. hemisphere and a few in 8S. 
America; especially developed in Mediterranean region. 
Species: 60 (B. and H.); 200 (described); Mediterranean 
region, 50; N. America, abundant. 
HELIANTHEMUM Pers. Syst. II, 75 (1807). 
Halimium, Fumana, Tuberaria, Lecheoides DuNAL, DC. 
Prodr. I, 266 (1824). 
Rhodax, Crocanthemum, Heteromeris, Taeniostema 
SpacH, Ann. Sci. Nat. ser. 2, VI, 360 (1836). 
Codomia GAUD. ex Durand, Ind. Phan. 23 (1888). 
