§30 
*675. 
*676. 
"Hii. 
678. 
*679. 
*680. 
*681. 
*682. 
*683. 
*684, 
#685. 
*636. 
*687. 
*688 
*689. 
*690. 
O91. 
. Evernia alpina. 


BULLETIN UNITED STATES GEOLOGICAL SURVEY. 
Equisetum hyemale, L. bes 
Equisetum levigatum, Braun. ae 
Equisetum limosum, L. ea: 
Equisetum robustum, Braun. _ we 7 
1874. June. Missouri River. — aids 2 
FILICES. 
& 
Polypodium vulgare, L. 
Phegopteris Dryapteris, Fee. 
Aspidium Lonchitis, Swz. 
Aspidium spinulosum, Willd. 
Onoclea sensibilis, L. 
Cystopteris bulbifera, Bernh. 
Cystopteris fragilis, Bernh. 
Woodsia Ilvensis, R. Br. 
Botrychium lunarioides, Swz. 
Botrychium Virginicum, Swz. 
LYCOPODIACEA. 
Tycopodium complanatum, L. 
Lycopodium lucidulum, Mx. 
Selaginella rupestris, Spreng. ‘99m 
1874. August. Base of Rocky Mountains, and almost any- 
where eastward, in some places covering the face of t ne 
country and forming much of the sod on sterile bills. . 
LICHENES. 
1874, August. Rocky Mountains. 
