— 6i — 
ADDITIONS TO THE LICHEN FLORA OF SOUTHERN CALIFORNIA, 
NO. 9 
H. E. Hasse 
Lecanora ( Aspicilia ) lusca Nyl. f. lignicola A. Zahlb. 
Thallus crustaceous, dark gray, areolate-diffract, areoles, angular, flat-con- 
cave, KHO — . Apothecia immersed in flattish thalline warts, disk small, round, 
finely papillate, black; epithecium continuous, brown, gradually paling downward; 
thecium colorless, 108 n high; paraphyses lax, adglutinated at apices, septate, 
branching and intertwining; hypothecium colorless; asci saccate-clavate, nearly 
equalling the thecium in height; spores 8 in ascus, ovoid, simple, finely granulate, 
clearing after KHO, 15 to 1 6/jl long, 10^ thick; hymenial gelatine with iodine 
yellowish, the asci and contents darker yellow to brownish, KHO — , NO3. — . 
Spermatia acicular, straight, 20 to 24 ,u long, situated at apices of the simple, 
straight sterigmata. 
On dead decorticated log of Libocedrus decurrens near Pine Crest, San Ber- 
nardino Mts., at 1700 alt. The species is a saxicolar lichen of northern Asia and 
of Europe. 
Lecania fructigena A. Zahlbr. sp. nov. 
Thallus crqstaceous, of dark gray to blackish, small, more or less dispersed 
warts, to flat-concave, rugose concave squamules with coarsely crenate to lobulate 
borders, 0.2 to 1 mm. wide, somewhat shining. Apothecia sessile to lightly 
elevated, 0.5 to 0.75 mm. wide; disk flat to flat-convex, brownish-black to black, 
the proper margin concolorous, thin, at last disappearing. Epithecium sub- 
continuous, reddish-brown to brown, thecium pallid yellowish; asci clavate to 
subinfiated-clavate, 40 to 44/x long, 12^ thick; spores 8 in ascus, oblong, some 
lightly curved, the ends blunted, two-celled, 12 to 1 7/x long, 5 to 5.5^ thick; 
hymenial gelatine with iodine blue, KHO bleaches the epithecium almost colorless. 
On Catalina Island, at the “Isthmus,” on serpentine cliffs exposed to ocean 
spray. Type deposited with Dr. A. Zahlbruckner, in herbarium of S. M. S., 
and in herbarium of Hasse. 
Arthopyrenia sphaeroides (Wallr.) A. Zahlbr. 
Spores bilocular, ellipsoid, 14 to i6,u long to 8/r thick On oak, Catalina 
Island. (Syn. Acrocordia tersa Korb.) “Apothecia and spores smaller than in 
A. gemmata.” (A. Zahlbr.) Iodine stains hymenial gelatine yellow, ascus mem- 
brane not stained, but its contents a darker yellow to orange; sterigma simple, 
straight, ca 28 ju long, 3 to 4 ju thick, spermatia acicular, straight or lightly 
curved, i 6 ju long. 
Arthopyrenia fallax (Nyl.) Arn. 
Thallus almost white, smooth; apothecia small, shining, black; spores fusi- 
form-ellipsoid, two-celled, 20 to 24^ long, 7.5 to 8/x thick; paraphyses and ascus 
membrane not stained by iodine but the ascus contents yellow. 
On oak, Catalina Island. 
Placolecania Hassei A. Zahlbr. n. sp. in litt. 
Thallus a dark blackish-brown, squamulose crust, squamules convex, imbri- 
cate, lobulate, shining, those at the circumference more distinctly lobed. Apo- 
