HASSE—LICHEN FLORA OF SOUTHERN CALIFORNIA. 91 
10. Lecanora hageni Ach. 
Thallus thin, verruculose, ash-colored, no reaction with KHO or Ca(CIO),; 
apothecia mostly numerous, sessile, not surpassing 1 mm. in width; disk flat, light 
brownish or grayish, pruinose; thalline margin thin, white, entire becoming crenulate 
and flexuose; epithecium colorless, subcontinuous; thecium 56 p high, colorless; 
paraphyses stout, 2 « thick, septate, the tips lightly clavate and colorless; hypothecium 
colorless, nearly equaling the thecium in height; asci subinflated-clavate, 44 to 48 
‘igh; spores 8, ovoid-ellipsoid and ellipsoid, 9 to 16 y long, 4 to 6 » thick, variously 
disposed, longitudinal or transverse; reaction with iodine blue, then sordid reddish 
‘rown; spermatia bowed or semicircular. 
Common throughout Southern California, on barks and rocks. 
11. Lecanora sordida (Pers.) T. Fries. 
Thallus determinate, whitish to ashy white, thick, rimose-areolate, KHO+yellow, 
(a(ClO),—; apothecia innate to adnate-sessile, 0.5 to 2 mm. wide; disk flat and 
slightly convex, dull black and thickly pruinose; thalline margin turgid, persistent, 
often sinuate; epithecium gray and yellowish gray, subgranulose; thecium 80 to 84 p 
high, colorless or lightly yellowish tinged; paraphyses coherent, not thickened above; 
asci inflated-clavate; spores 8, ovoid-ellipsoid, 10 to 13 » long, 6 to 8 yu thick, the 
epispore thick; hymenial gelatine deep blue with iodine, with KHO no change 
except in the epithecium, this rendered almost colorless. 
On granite and other crystalline rocks; San Bruno Mountain at 350 meters altitude 
and Santa Cruz Mountains at 800 meters altitude, Herre; San Bernardino Mountains; 
San Gabriel Mountains at 1,500 meters altitude. 
‘Lla. Lecanora sordida bicincta (Ramond) T. Fries. 
Apothecia becoming strongly convex and the disk densely pruinose, but the proper 
margin black, destitute of pruina. 
Tehachapi Mountains at 1,600 meters near ‘‘Lone Pine Mine.”’ 
‘12. Lecanora coilocarpa (Ach.) Nyl. 
Thallus whitish, thin, smooth becoming granulate, KHO+yellow, Ca(ClO),—; 
«pothecia sessile, 0.5 to 1.25 mm. wide; disk flat to convex, mostly black (internally 
pallid), occasionally with a faint bloom, with a thin, entire thalline margin; 
epithecium continuous, bluish black, after KHO fuliginous; thecium colorless, 64 to 
68 » high; paraphyses stout, some forked near the tips and indistinetly septate, 
elightly clavate; asci cylindric, 52 to 56 » long; spores 8, ovoid-ellipsoid, 16 » long, 
’ to 9 » thick; reaction with iodine blue. On various barks and sandstone. 
Throughout southern California; San Bernardino, Parish. 
‘18. Lecanora allophana Nyl. 
Thallus subdeterminate, sordid white, verrucose, KHO+yellow, Ca(ClO),—; 
apothecia sessile, crowded, 0.3 to 1 mm. wide; disk black, flat to convex, thalline 
inargin crenulate and flexuose; epithecium brown, continuous; thecium 108 » high, 
colorless; paraphyses strict, compacted, coarse, adglutinated at the brownish, clavate 
tips; hypothecium colorless; asci clavate, reaching into the colored epithecium, 
epores 8, ellipsoid, 14 to 20 » long, 7 to 10 » thick, the epispore thick; hymenial gelatine 
with iodine blue, the thecium darker blue and violet; gonidial layer underlying the 
hypothecium. 
On sandstone, Santa Monica Range; on bark, Tehachapi Mountains. 
14. Lecanora cenisia Ach. 
Thallus coarsely globular-granulate, or verruculose-areolate, ash gray, subdeter- 
tninate or determinate and with a black hypothalline border, KHO-+yellow, 
Ca(ClO),—; apothecia medium, sessile; disk at first flat, then convex, red brown; 
60653°—13——7 
