STATE GEOLOGIST. 175 



CHEILANTHES, Swartz. Lip-Fern. 



C. lanuginosa, Nutt. Lip-Fern. 



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



PELLi^^A, Link. Cliff-Brake. 



P. gTacilis, Hook. Slender Cliff-Brake. 



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

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

 sippi in Minneapolis, also at Mlnneopa falls, Blue Earth county, I/eiber(/; 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. acrosticlioides, R. Br. (Allosorus acrostichoides, Sprengel.) Rock- 

 Brake. 



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

 less in Minnesota. 



ASPLENIUM, L. Spleenwort. 



A. Trichomanes , L. Maidenhair Spleenwort. Dwaif 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. ebeneuni, Ait. Ebony Spleenwort. 



Taylor's Falls, Mi8s Ca(?icart. Rare. [Nebraska, At(g?iej/.] 



[A. Ruta-muraria, L., and A. angustifoliuni, Mlchx., should be looked for in this 

 stiite.] 



A. thelypteroides , Michx. Silvery Spleenwort. 



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

 Earth county, Leiberg. East. 



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



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

 throughout ihe state. 



CAMPTOSORUS. Link. Walking-Leaf. Walking-Fern. 



C. rliizopliyllus, Link. Walking-L af. Walking-Fern. 



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

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

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

 Aughey.] 



PHEGOPTERIS, ¥6e. Beech-Fern. 



I* . POlypoclioicles, 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.} 



