THE BOTANY OF THE ROUTE. 
Reboulea Pennsylvanica, Gray. 
PoA PEATENSis, Linn. 
POA CEOCATA, Michx. 
Teiticum rbpens, Linn. 
Eltmus canadensis, Linn. 
HOEDEUM PUSILLUM, Nutt. 
HORDEUM JUBATUM, Ait. 
Panicum clandestinum, Linn. 
Panicum xanthophtsum, Gray. 
Andeopogon scoparius, Michx. 
Bquisetum hyemale, Linn. 
CiSTOPTERis FRAGiLis, Bernh. 
WooDSiA OBTUSA, Torr. 
ASPLENIUM ANGUSTIFOLIUM, Pursh. 
Adiantum pedatum, Linn. 
BOTRYCHIUM ViEGINICUM, Swartz. 
