CRYPTOGAMOUS PLANTS. 79 



EQUISET ACEtE . Hoksetails . 



Equisetum arvense, L. 



]\Ioist li(!lds &(•■. 



E. svlvaticum. U 



Moist woods and shady plaoes. 



E. limosum. Ta 



In shallow waters. 



E. hyemale. U 



AVet banks. 



E. variegatum, Schleicher. 



Shores or river banks. Burlinffton and Bellows Falls. 



E. scirpoides, Michx. 



Moist woods and banks. 



FILICES. Ferns. 



Polypodium vulgare. I- (Polypod.) 

 On rocks &c. in woods. 



Adiantum pedatum- U (Maidenhair.} 

 Moist woods. 



Pteris aquiiina, L. (Brake.) 



Thickets, di-y fields and woods. 



Pellaea gracilis. Hook. (Cliff brake.) 



On rocks overhanging the "Devil's den," Bnrlington. 



P, atropurpurea, Link. 



Limestone cliffs, Bnrlington, and on "Willoughby Mt. 



Woodwardia Virginicum, Smith. 

 Wet swamps. 



Asplenium Trichomanes, L, (Spleenwort.) 

 Steep rocky ledges. 



A. ebeneum, Ait. < 



Rocky open woods. 



A. Ruta-miiraria, L. - 



Limestone cliffs near "High Bridge," Burlington. 



A. angustifolium, Michx. 

 Wet places in woods. 



A. Thelypteroides, Michx. 



Rich woods. 



A. Filix-foemina, Bernh. 



Moist woods. 

 Camptosonis rhizophyllus, T^'mk. (Walkiny leaf.) 



Shaded calcareous rocks, Burlington. 



