STATE GEOLOGIST. 175 



CHEILANTHES, S ,.artz. Lip-Fern. 



C. latmginosa, Nutt. Lip-Fern. 



Lapham, Miss Cathcart. Falls of the St. Croix, Parry. Rare. 



PELIi.^A, Link. Clifp-Bkake. 



P. gTacilis, Hook. Slender Cliff-Brake. 



Throughout the state, but rare. Blue Earth river, aud head of lake St. Croix, 

 Parry; Saint Paul (rare), Miss Cathcart; cliffs forming tlie right bank of the Missis- 

 sippi in Minneapolis, also at Minneopa falls. Blue Earth county, Leibcrg-^ lake Pepin, 

 Miss Manning; Martin county, and Emmet county, Iowa (rare), Cratty. 



P. atropurpurea, Link. Clayton's Cliff-Brake. 



Throughout the state, but infrequent. Stillwater, Miss Field; Saint Paul, Miss 

 Cathcart; Hastings, Oestlund; lake Pepin, Miss Manning; Blue Earth county, Leiberg. 



CRYPTOGRAMME, R. Br. (Allosorus, Bernhardi, in part.) 

 Rock- Brake. 



C. acrostichoicles, R. Br. (Aliosorus acrostichoides, Spreng^el.) Rock- 

 Brake. 



Isle Royale, lake Superior, thence westward and northward, Gray's Manual; doubt- 

 less in Minnesota. 



ASPLENIUM, L. Spleenwort. 



A. Trichomanes, L. Maidenhair Spleenwort. Dwatf Spleenwort. 



Burnt Portage, Dawson road, near the northern boundary of Minnesota, Macoun; 

 Taylor's Falls, Miss Cathcart; Lake City, Mrs. Ray. Throughout the state, but infre- 

 quent. 



A. ebeneuin. Ait. Ebony Spleenwort. 



Taylor's Falls, Miss Cati'icart. Rare. [Nehraska,, Aughey.] 



[A. Ruta-muraria, L., and A. angustifolium, Michx., should be looked for in this 

 state.] 



A. thelypteroid.es, Michx. Silvery Spleenwort. 



St. Croix river. Parry; Stillwater, Miss Field; lake Pepin, Miss Manning; Blue 

 Earth county, Leiberg. East. 



A. Filix-foenaiiia, Bernh. Lady- Fern. 



Common (having diverse forms, but probably not permanent varieties) in woodlands 

 throughout the state. 



CAMPTOSORUS, Link. Walking- Leap. Walking-Fern. 



C. rhizopliyllus. Link. Walking-L af. Walking-Fern. 



Throughout the state, but rare. Rocks, upper Mississippi river, Geye.r; falls of 

 the St. Croix, Parry; Taylor's Falls and Duluth, Miss Cathcart; Stillwater, 3Iiss Field; 

 Red Wing, Oestlund; lake Pepin, Miss Manning. [Manitoba, Macoun; Nebraska, 

 Aughey.'] 



PHEGOPTERIS, F6e. Beech-Fern. 



P . polypodioides, F^e. Common Beech-Fern. 



Abundant north of lake Superior, Roberts; extending south to the St. Croix river, 

 Parry; Taylor's Falls (plentiful), Miss Cathcart. [Manitoba, Macoun; Neoraska, 

 Aughey.'i 



