30 TWELFTH ANNUAL REPORT. 



CISTACE.E. Rock-rose Family. 



HELIANTHEMUM, Tourn. Rock-rose. 



H. Cauadeuse, Michx. Frost-weed. 



Common, or frequent, throughout the state, excepting near its west side and far 

 northward ; extending north to the upper Mississippi river, Garrison, and Fort Fran- 

 cis, Rainy river, Macoun. 



HUDSONIA, L. HuDSOxNiA. 



H. tomentosa, Nutt. Downy Hudsonia. 



Fifteen-mile point, Rainy lake, and Hungry Hall, entrance to the lake of the 

 Woods, Macoun; Minnesota point, near Duluth, and on sand dunes in Anoka county, 

 Roberts; on sand hills in section 21, Orrock, Sherburne county (plentiful, with short- 

 peduncled flowers and narrow leaves), Upham; near Rockford, Wright county. Hatch; 

 barren ridges of the St. Croix, Parry; Castle Rock, Dakota county, Geyer; White 

 Rock, Goodhue county, Sandberg; lake Pepin, Miss Manning: Local. 



liECHEA, L. PiNWEED. 



Li. minor, Walt. Small Pinweed. 



Sturgeon lake (near the international boundary east of Rainy lake), Macoun; up- 

 per Mississippi, Hottg/iton.; St. Croix river, Parry; Steele county, Upham. 



DROSERACE^. Sundew Family. 



DROSERA, L. Sundew. 



D. rotundifolia, L. Round-leaved Sundew. 



Common, or frequent, northward ; extending south to Minneapolis, Robc7-ts. 



D. intermedia, Drev. and Hayne, var. Americana, DC. ( D. longifolia, 

 in Manual.) Long-leaved Sundew. 

 Similar in range with the last, but less fiequent. North shore of lake Superior at 

 Little Marais, Juni; between the lake of the Woods and Red river (common), Dawson; 

 extending south to sections 17 and 19, Ham Lake, Anoka county (with the leaves scat- 

 tered along the stem or caudex), Roberts. 



D. linearis, Goldie. Slender Sundew. 



Lake Superior to Roseau river. Burgess, Macoun; extending south to Hennepin 

 county (frequent), Roberts. 



HYPERICACE^. St. John's-wort Family. 



HYPERICUM, L. St. John's-wort. 



H. pyramidatum, Ait. Great St. John's- wort. 



Rare or local northward, but frequent southward ; extending north to Todd county, 

 Upham, the upper Mississippi and Minnesota rivers, Parry, and northwest to the plains 

 of the Saskatchewan, Bourgeau, Macoun. 



[H. Kalmianum, L., probably occurs on the north shore of lake Superior in this 

 state.] 



