bh ’ FLORA OF SOUTHERN CALIFORNIA. 51 
On sandy earth am at eastern base of San Jacinto Mountains, near Palm 
Springs, at 170 meters alu. 
Type specimen deposited w-h Dr. A. Zahlbruckner; duplicates in the U. 8. 
National Herbarium and in herb. Hasse. 
2. Bacidia milliaria (Iries) Koerb. 
Only the forma ligniaria, with the following characters, is represented in our flora. 
Crust thin, effuse, granular, and minutely squamulose, the squamules dispersed 
or congregated and obscurely rimose, KHO—, Ca(ClO),—; apothecia small, 0.5 to 
0.75 mm. in diameter, sessile, purplish black; disk flattened, opaque, the margin 
thin, entire, elevated, later convex and subglobular, then black and the margin dis- 
appearing; epithecium reddish blown or violaceous, gradually paling downward; 
paraphyses loosely coherent or some with vinous red small heads; thecium about 
60 » high, colorless, at least the lower part; hypothecium pallid to pale yellowish; 
asci clavate, 48 to 52 p high, 8 to 12 » thick, equaling the thecium in height; spores 
acicular or thin fusiform, 28 to 32 » long, 3.5 to 4 # thick, 4 to 7-locular. 
On dead, decorticated wood, Tehachapi Mountains, at 1,700 meters altitude. 
Eastern United States and Europe. 
8. Bacidia naegelii (Hepp) Zahlbr. in Engl. & Prantl, Nat. Pflanzenfam. 1*; 135. 
1907. 
Biatora naegelii Hepp, Spor. Flecht. Eur. pl. 4. f. 1, 19. 1853. 
Thallus whitish to sordid olive green, coarsely granular, effuse, thin; apothecia 
small, 0.75 to 0.8 mm. in diameter, scattered or crowded to confluent; disk dull 
brown, gradually darkening to black, apparently convex from the first, the lighter 
colored, dark gray proper margin not prominent and at last obsolete; epithecium 
partly colorless, partly bluish blackish; paraphyses coherent, their clavate apices 
bluish blackish; hypothecium colorless; asci inflated-clavate; spores fusiform, ellip- 
soid, straight or lightly curved, mostly 4-locular, 16 to 24 » long, 3.5 to 5 p thick; 
hymenial gelatine blue with iodine. 
On various living and dead barks, Washington, Foster; Santa Cruz Peninsula, 
Herre; in canyons of the Santa Monica Mountains. Eastern United States. Europe. 
4. Bacidia jacobi (Tuck.). 
Biatora jacobi Tuck. Syn. N. Amer. Lich. 2: 48. 1888. 
Thallus white to light ash gray, minutely scurfy or pulverulent, effuse, forming 
small white patches, KHO+ yellow, Ca(ClO).—; hypothallus apparently pallid; 
apothecia appressed, small, 0.25 to 0.3 mm. in diameter, one or several on a thalline 
patch; disk flat to planoconvex, black with a thin, entire, persistent, concolorous 
margin, but this finally obscured; epithecium granulose, fuliginous brown; thecium 
48 to 56 » high; paraphyses subcoherent, indistinct with abruptly thickened, black 
heads; hypothecium of the same dark color with the epithecium; asci clavate to in- 
flated-clavate, nearly equaling the thecium in heighth, 36 to 48 # long, 14 to 16 
thick; spores fusiform, one end long-attenuate, the other short-acuminate, 4-locular, 
slightly curved, 20 to 26 # long, 2 to3 x thick; hymenial gelatine with iodine light blue, 
the tops of asci darker and changing to violet; spermogones not found. 
On bark of Malvastrum fasciculatum, in canyons of the Santa Monica Range. Type 
locality, ‘‘San Diego,’’ collected by Doctor Palmer on trees. 
5. Bacidia fuscorubella (Hoffm.) Arnold. 
Thallus crust whitish to cinerascent, granulate-roughened and obsoletely rimose, 
effuse; apothecia sessile, 0.25 to 0.6 mm. in diameter; disk brown black to black and 
flat with a thin, concolorous margin to convex, papillate, and immarginate; epithe- 
cium brown; thecium of same color with the hypothecium, dingy yellowish gray, and 
scarcely higher than the asci; asci clavate, 80 » long, 12 » thick; spores blunt at each 
end, 40 to 76 p long, 4 » thick, 14 or 15-locular. 
On various barks in the Santa Monica Range. 
