254 
B. PALLIDA (Arn.) Eck. 
Thallus thin, chinky and minutely granulose, sparsely scattered 
over a thin but even surface, yellowish brown to fuscous ; apothecia 
small, rounded, black, prominent, slightly flattish or convex, with a 
concolorous thalline margin; hypothallus mostly wanting. 
Spores fusiform, 6-locular, pee mic. On smooth barks. 
B. CAESIO-RUFA (Ach.) Eck. 
Thallus thin, white, scattered irregularly, of rounded and closely 
adnate granules, but forming an even uniform crust; apothecia 
sessile, minute, quite black, turgid, and becoming flat, with a per- 
sistent regular elevated margin; spores mostly 4-locular, ue mic. 
On smooth barks. 
HETEROTHECIUM Flot. 
fT. grossum Pers, 
HI sanguinarium (L.) Flot. 
Var. endorhoda Th. Fr. 
Var. effusa Ach. 
H, alpina Ach. 
fT, porphyrites Tuck. 
H. leucoxanthum (Spreng.) Mass. 
HT, pezizoideum (Ach.) Flot. 
Lecipea Ach. 
L. panaeola (Ach.) Fr. 
L. platycarpa Ach. 
Var. superba Ach. 
L enteroleuca (Ach.) Fr. 
Var. diasemoides Ny). 
L fusco-atra L. 
L fuscescens Somf. 
L. polycarpa Fr. 
Var. declinans Nyl. Thallus mostly crustaceous; hypothe- 
cium fuscous. 
Var. sudblactea Somf. 
L. CRENULATA (Dicks.) Eck. 
Thallus thin, evanescent, cinerascent to pale yellowish grey > 
apothecia black, plane and simple, naked, with a raised flexuous 
crenulate proper margin; spores ellipsoid, hyaline, simple, + mc- 
On rocks. ; 
