CATALOGUE OF PLANTS. 



133 



LEMANEA, Bory. 

 L. fucina, Bory, var. subtilis (Sirdt.), Atk. 



M, Cascade, growing on sloping or perpendicular rocks, in 

 falling water or very swift current. 



Division III. LICHENES.f 

 (By Clara E. Cummings.) 



THELOSCHISTES, Norm. 



T. lychneus, Nyl. 



On trees ; rare. BB*. 



PARMELIA, Ach. 



P. perlata (L.), Ach. 



On trees; rather common. M*. 

 P. Borreri, Turn., var. rudecta, Tuck. 



On trees ; common. M* and BB*. 

 P. saxatilis (L.), Fries, var. sulcata, Nyl. 



On rocks. M*. 

 P. caperata (L.), Ach. 



On trees ; common. M* and BB*. 

 P. conspersa (Ehrh.), Ach. 



On rocks ; common. B *, Great Blue Hill : — M* and BB*. 



PHYSCIA, DC. 



P. stellaris, L. 



On trees; common. M* and BB*. 

 P. tribacia (Ach.), Tuck. 



On trees ; common. BB*. 

 P. hispida (Schreb., Fries), Tuck. 



On trees ; rare. BB*, with fibrils poorly developed. 



t As but few localities are recorded, most of the letters indicating 

 the Reservations where the species have been collected, follow the 

 general habitat without comment. 



