CATALOGUE. . 351 
PARMELIA CONSPERSA, (Ehrh.) Ach., var. MoLLiuscuLa, Tuckerm.— 
Earth, South Park, Colorado. 
UnpinicariA VELLEA, (L.) Nyl., probably, but all the specimens are 
infertile—On rocks, Twin Lakes, Colorado. 
PELTIGERA VENOSA, (L.) Hoffm.—On earth, Twin Lakes. 
PELTIGERA APHTHOSA, (L.) Hoffm.—Earth, Twin Lakes. 
PELTIGERA HORIZONTALIS, (L.) Hofim.—Earth, ‘Twin Lakes. 
PevticerA cantina, (L.) Hoffm.—Earth, Twin Lakes. 
Sotortna saccaTa, (L.) Ach., var. sponciosa, Nyl. (8. bispora.)—Trout 
Creek and South Park, on the earth. 
PannartaA Hypnorvum, (Hoff.) Koerb—Earth, Twin Lakes, Colorado. 
PANNARIA BRUNNEA, (Sw.) Mass.—EKarth, Twin Lakes 
Leptocium TreMeLuowes, (L. fil.) Fr—On rocks, Twin Lakes. 
PLacopiuM VITELLINUM, (Fhrh.) Naeg. & Hepp.—On the earth, Colo- 
rado. 
PLacopIuM sINAPISPERMUM, (DC.) Hepp.—Earth, Twin Lakes. 
Piacopium JuNGERMANNIA, (Vahl, Th. Fr.).—Earth, Twin Lakes. 
Lecanora ruBINA, (Vill.) Scheer.—Rocks, Twin Lakes, Colorado, and 
Arizona. 
Lecanora casTanea, (Hepp.).—Earth, Twin Lakes. 
Rinopina TURFACEA, (Wahl ) Koerb —Earth, Twin Lakes. 
Cuaponia Fimpeiata, (L.) Fr.—Earth, Twin Lakes. 
Cxraponia cartosa, (Ach.) Floerk.—Earth, Twin Lakes. 
Cuaponia GRaAciuis, (L.) Fr. var. Hypripa, Scher.—Earth, North 
Branch of South Platte. 
Braroria CRENATA, (Tayl.) Tuckerm.—Earth, mountains of Arizona. 
BuELLIA PAPILLATA, (Sommer f.) Tuckerm—Karth, Twin Lakes, 
Colorado. 
