240 HERRE 



I. BUELLIA BADIA (E. Fr.) Korb. 



Lecidea hadia E. Fr. Lich, Europ. Reform, 289. 1831. 

 Buellia hadia Korber, Sys. Lich. Germ. 226. 1855. 

 Buellia hadia Tuck. Syn. N. Am. Lich. II: p. 88. 1888. 



Thallus effuse, indeterminate, of minute, crumb-like granules or 

 these becoming larger, crenate-incised, or lobate and more or less 

 crowded and imbricate; often passing into a fissured crust of small or 

 medium-sized, flattened, sometimes sub-lobulate squamules; a black 

 hypothallus very Httle evident; color gray-brown, olive-brown, and 

 nearly chestnut; KOH; CaCl202. 



Apothecia minute or small, closely adnate, black; disk at first flat, 



with an evident entire or irregular margin, becoming moderately 



convex and the margin finally excluded; hypothecium umber to 



blackish brown; paraphyses free, simple, rather stout, the outer half 



of their moderately enlarged, sub-globose or rounded tips dusky or 



brown; asci ventricose clavate, thecium blue with I; spores bilocular, 



6.5 -8 

 dark brown, ellipsoid, _ /^. 



Not rare on rocks in the foothills, occurring in small patches among 

 other Hchens. 

 A European lichen found also in western America. 



2. BUELLIA PULLATA Tuck. 



Buellia pullata Tuck. Lich. Calif. 26. 1866. 



Buellia pullata Tuck. Syn. N. Am. Lich. II: q6. 1888. 



Thallus effuse, of very minute angular areoles, flat or concave, 

 finally somewhat rugose or warty, separated by very small fissures, 

 forming a contiguous, brown-gray or pale umber crust; KOH or 

 brown; CaCl202. 



Apothecia numerous, small, sessile, circular or finally angular and 

 irregular; the black naked disk flat and surrounded by a thin, erect, 

 entire margin, or becoming convex, and the margin disappearing; 

 paraphyses simple, thread-like, more or less sub-coherent, their tips 

 sometimes capitate and darkened; epithecium broad, blackish 

 brown; hypothecium pale to dark brown; asci short and broadly cla- 

 vate or cylindrical-clavate, the spores variously arranged; thecium 



