No. 50. ] 195 
Aserpro, (continued. ) 
thelypteris, Sw. 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-feeminea and asplenoides, 
Miche. Shady woods. July. 
lancastriense, Sw. A. cristatum of American botanists, not of 
Swartz. Swamps. July. 
Cyrstorpreris, Bernh. 
fragilis, Bernh. Cyathea fragilis, Sm. Aspidium tenue, Sw. A. 
atomarium, Willd. Nephrodium tenue, Michz. 
Moist rocks. June-July. 
bulbifera, Bernh. Aspidium bulbiferum, Willd. Nephrodium 
bulbiferum, Michx. Shady rocky places. July. 
Dicksonta, L’Herit. 
pilosiuseula, Willd. Nephrodium punctilobulum, Michx. Shady 
rocky places. July. 
Woopsia, R. Br. 
obtusa. W. Perriniana, Hook. §- Grev. Aspidium obtusum, Sw. 
Rocky woods. July. 
ilvensis, R. Br.? Nephrodium rufidulum, Miche. Sides of rocky 
hills. June. 
Asptentum, L. Spleenwort. 
rhizophyllum, Z. Camptosorus rhizophyllus, Pres/. Moist rocks; 
generally on limestone. July. 
angustifolium, Michx. Shady woods. July. 
ebeneum, Willd. Rocky woods. July. 
trichomanes, LZ. A. melanocaulon, Willd. Shady rocks. July. 
thelypterioides, Michax. Diplazium thelypterioides, Presl. Shady 
rocky woods. July. 
ruta-muraria, L. Wall-rue Spleenwort. Shady limestone rocks. 
July. 
Woopwarpia, Smith, 
angustifolia, Smith. W. onocleoides, Willd. Swamps: rare. 
| August. 
virginica, Sw. Doodia virginica, Pres]. Swamps. July. 
