446 
On earth, San Gabriel Mountains, ascending to 1500 meters 
alt.; also near Santa Monica. August, 1896. 
LECANORA PLEISTOSPORA Ny]. 
Thallus of separate pruinose rounded squamules light brown; 
apothecia from urceolate to open, flat, black or pruinose with 
cinerescent-scales that also cover the thick prominent entire or 
crenulate margin ; spores minute and numerous; paraphyses thick, 
agglutinated, with round light brown apices; hypothecium color- 
less. Hym. Gel. J.+ faintly yellow. 
On clay soil near Soldiers’ Home, Los Angeles Co. May, 
1896. 
LECANORA PLEOISPORA Nyl. 
_ Thallus of rounded, separate or approximate and angular 
squamules, dull brown, with whitish furfuraceous scales; apo- 
thecia from urceolate to open, flat, disk dull black and the thick 
margin clothed, as is the thallus, with cinerescent scales; spores 
about 40 in asci, globular, 10 to 12 mic. in diameter ; paraphyses 
slender, separate, with yellowish apices; hypothecium colorless. 
Hym. Gel. J. + faintly yellow. 
On clay. Original locality San Gabriel Mountains, at 700 : 
meters. August, 1896. : 
LECANORA REDIUNTA Stiz. 
Thallus crustaceous, rimose, areolate, whitish and cinerescent; 
apothecia black, pruinose, convex; margin entire, prominent of 
finally nearly disappearing; spores fusiform, blunt-po‘nted, color- 
less, 3-septate, slightly convex, 24 by 5-6 mic.; hypothecium 
brown. Hym. Gel. J. + yellowish. 
On various barks. Original locality Santa Catalina Island. 
January, 1895. Also on the mainland near the coast on Umbel- 
lularia Californica. : 
LECANORA OBPALLENS Nyl. 
Thallus cartilaginous of small rounded separate rugulose 
squamules, light chestnut, K—CaCl—; apothecia flat, black, 
with a prominent crenulate thalline margin; spores minute and 
numerous, 
On earth. Santa Monica Range, near Soldiers’ Home, Los 
Angeles Co. November, 1896. 
LeEcANoRA (PLACODIUM) SUBPYRACEELLA Nyl. 
Thallus pulverulent, ochroleucous scaly, or evanescent; @P* 
