STATE GEOLOGIST. 179 



OPHIOGLOSSACEiE. ADDEE's-ToNauE Family. 



BOTRYCHIUM, Swartz. Grape-Fbrn. Moonwort. 



JB. liunaria, Swartz. Moonwort. 



Nortb shore of lake Superior, Macoun; doubtless to be found in northern Minnesota. 



B. simplex, Hitchcock, Hitchcock's Grape-Fern. 



Thomson, Carlton county (rare), Miss Cathcart. [Abundant at Fort William, north 

 ■of lake Superior, Macoun.] North. 



[B. lanceolatum, Angstroem, and B. matricarisefolium, Braun, probably occur in 

 northeastern Minnesota. The latter is distinguished from B. lanceolatum by having 

 the sterile segment petioled, diverging bijt little and embracing the fertile when young, 

 oblong and only in the largest plants deltoid, with its divisions and lobes oblong or 

 ovate and obtuse ; panicle with stalk usually half as long as the sterile segment, and 

 sometimes longer than it ; and by its fruiting two or three weeks earlier. Eaton's 

 Ferns of N. A.] 



JB. Virginianum, Swartz. Virginia Grape-Fern. Rattlesnake Fern. 

 Frequent, or common, throughout the state, 



B. ternatum, Swartz, (B. lunarioides, Swartz. B. australe, R. Br.) Ter- 

 nate Grape-Fern. 

 Throughout the state, but infrequent. St. Croix river, Parry; St. Croix Falls (rare), 

 Miss Field; lake Pepin, Miss Manning; near Lake Crystal (station now obliterated), 

 Jjeiberg; lake of the "Woods at mouth of Rainy river, Dawson. [Var. obliquum, Milde, 

 and var. dissectum, Milde, probably also occur in this state.] 



OPmOGIiOSSUM, L. Adder's Tongue. 



O. vulgatum,L. Adder 's-Tongue. 



Lake of the Woods at mouth of Rainy river, with the last, Dawson. Rare. 



LYCOPODIACE^. Club-Moss Family. 



LcYCOPODIUM, L. Club-Moss. Trailing Ever&rebn. 



Li. lucidulum, Michx. Shining Club-Moss. 



Mouth of Devil's Track river, lake Superior, and on Carlton's Peak (abundant), 

 Roberts; lake of the Woods. Dawson; Kettle river. Pine county (common), Upham; St. 

 Croix river. Parry; Blue Earth county, Leiberg. [Hesper, Iowa, Mrs. Carter^ the sole 

 species of this genus, and Its only locality, known in Iowa, Arthur.} North. 



Jj. Selag"0, L. Fir Club-Moss. 



North shore of lake Superior, Juni, Roberts. Rare. North. 



Li. inundatum , L. Marsh Club-Moss. 



Palisades, north shore of lake Superior, Juni; Stillwater, Miss Butler. 

 North. 



li. annotinum, L. Club-Moss. 



Common through the north part of the state ; extending southwestward to Pine 

 county (common), Upham, and the sources of the Mississippi, Houghton. 



Li. dendroideuni , Michx. Tree-like Club- Moss. Ground-Pine. 



Common northward, extending southwest to Wadena county ; the most plentiful 

 species of club-moss in Pine county, Upham. 



