No. 50. J 195 



Aspidium, (continued.) 



thelypteris, Siv. A. noveboracense, Willd. 



Goldianum, Hook. Shady woods . July . 



marginale, Sw. Rocky hill sides . July. 



dilatatum, Sw. A. intermedium, Willd. Shady woods. July. 



asplenoides, Sw . Nephrodium filix-foeminea and asplenoides, 



MicJix. Shady woods . July . 

 lancastriense, Sw . A. cristatum of American botanists, not of 

 Sioartz . Swamps . July . 



Cystopteris, Bernh. 



fragilis, Bernh. Cyathea fragilis, Sm. Aspidium tenue, Sw. A. 



atomarium, Willd. Nephrodium tenue, Michx. 



Moist rocks . June- July . 

 bulbifera, Bernh . Aspidium bulbiferum, Willd . Nephrodium 



bulbiferum, Michx. Shady rocky places. July. 



Dicksonia, TJHerit. 



pilosiuscula, Willd. Nephrodium punctilobulum, Michx. Shady 

 rocky places . July . 



Woodsia, R. Br. 



obtusa. W. Perriniana, Hook. <|- Grev. Aspidium obtusum, Sw. 



Rocky woods . July . 

 ilvensis, R. Br.? Nephrodium rufidulum, Michx. Sides of rocky 



hills . June . 



Asplenium, L. Spleenwort. 



rhizophyllum, L. Camptosorus rhizophyllus, Presl. Moist rocks; 



generally on limestone . July . 

 angustifolium, Michx . Shady woods . July . 

 ebeneum, Willd. Rocky woods. July. 



trichomanes, L. A. melanocaulon, Willd. Shady rocks. July, 

 thelypterioides, Michx. Diplazium thelypterioides, Presl. Shady 



rocky woods . July . 

 ruta-muraria, L. Wall-rue Spleenwort. Shady limestone rocks. 



July. 



Woodwardia, Smith. 



angustifolia, Smith. W. onocleoides, Willd, Swamps: rare. 



August . 

 virginica ; Sw Doodia virginica, Presl. Swamps. July. 



