Lyon: THE PTERIDOPHYTES OF MINNESOTA. 251 



Herb. : Holzinger, Winona ; Rosendahl, Lyon, Houston 

 county ; Sandberg, Cannon Falls ; Leiberg, Blue Earth county ; 

 Sheldon, Taylors Falls ; Lyon, Hastings. 

 Asplenium platyneuron (L.) OAKES ; D. C. Eaton, Ferns N. 



A. I : 24. 1879. Ebony spleenwort. 



Reported from Taylor's Falls by Upham but there are no 

 specimens in the herbarium to verify the report. 

 Asplenium trichomanes (L.) Sp. PL 1080. 1753. Maiden- 



hair spleenwort. 



Reported by Upham as occurring at Taylor's Falls and Lake 

 Pepin. Rare. 



Herb. : Nelson, Vasa, Goodhue county. 

 Asplenium angustifolium MICHX. Fl. Bor. Am. 2: 265. 1803. 



Narrow-leaved spleenwort. 

 Known to occur in but one locality. 

 Herb. : Lyon, Mayville, Houston county. 

 Asplenium acrostichoides Swz. Schrad. Journ. Bot. 2 : 54. 



1800. Silvery spleenwort. 

 Asplemum thelyfteroides MICHX. Fl. Bor. Am. 2: 265. 



1803. 



Infrequent in eastern portion of state.* 

 Herb. : Sheldon, Mora; Lyon, Houston county. 

 Asplenium filix-foemina (L.) BERNH. Schrad. Neues Journ. 



Bot. I : Part 2, 26. 1806. Lady-fern. 

 Common in woodlands throughout the state. 

 Herb. : A large number of specimens. 

 Camptosorus rhizophyllus (L.) LINK, Hort. Berol. 2 : 69. 



1833. Walking-fern. 



Infrequent. Occurring in widely separated localities on dry 

 limestone rocks. 



Herb. : Sandberg, Goodhue county ; Rosendahl, Fillmore 

 county; Lyon, Houston county ; Lyon, Hastings. 

 Phegopteris phegopteris (L.) UNDERW. ; Small, Bull. Torr. Club, 



20: 462. 1893. Long beech-fern. 



Phegofleris $oly$odioides FEE, Gen. Fil. 243. 1850-52. 

 Common in northern Minnesota in moist woods and on shaded 

 banks. 



Herb. : Sheldon, Waldo ; Roberts, north shore of Lake Su- 

 perior; Bailey, Basswood lake, Agate bay and Vermilion lake. 

 Phegopteris hexagonoptera (MICHX.) FEE, Gen. Fil. 243. 1850- 

 52. Broad beech-fern. 



