246 
PuysMA Mass. 
P. luridum Mont. A single specimen found. 
PANNARIA Del. 
P. hypnorum (Hoff.) Koerb. 
P. lanuginosum (Ach.) Koerb. 
P. rubiginosa (Thunb.) Del. 
P. leucosticta Tuck. 
P. brunnea (Sw.) Mass. (P. pestzoides Sw.) 
P. microphylla (Sw.) Del. 
P. lepidiota Th. Fr. 
P. tryptophyllum (Ach.) Man. 
P. carnosa Dicks. 
P. WAGHORNEI n. sp. 
Thallus thickened, congested and irregular, fissured, conglom- 
erate, coarsely granulate, rugulose, from reddish brown to pur- 
plish and seated upon a thin limiting hypothallus; apothecia scat- 
tered but frequently conjoined, small, rounded and erect, and at 
length flat, with a prominent margin, from pale reddish to 
rufescent ; spores ellipsoid, simple, aa mic. 
On turfy earth. Evidently a distinct and well marked species, 
and not closely related to any other. 
P. plumbea (Leight.) Del. 
CoLtemaA Hoff. 
P. melaenum Ach. 
P. flaccidum Ach. 
Leprocium Fr. 
L. lacerum (Sw.) Fr. 
L. tremelloides (L.) Fr. 
Var. cyanescens Ach. (Collema cyanescens Schaer.) 
PLacoptum DC, 
P. elegans (Link.) DC. 
P. murorum (Hoff.) DC, 
F. minitatum Hoff. Thallus fulvescent, punctate; apothecia 
bright. 
P. cirrochroum (Ach.}; Hepp. 
