116 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
On granite bowlders near Elsinore, the type locality. Type deposited with Dr. 
W. Nylander in 1898; duplicates in herbarium of New York Botanical Garden and the 
U.S. National Herbarium. 
The brief and insufficient description given is taken from Doctor Nylander’s notes, 
the only source available to the author, who has no type specimen left and has not 
collected it since the year of its discovery, 1898. 
13. Caloplaca coralloides (Tuck.) Zahlbr. Ann. Naturh. Hofmus. Wien 22: 116. 
1907, . 
Placodium coralloides Tuck. Proc. Amer. Acad. 6: 287, 1864. 
Thallus dwarfed, fruticulose, orange yellow or vitelline, terete-torulose, forking, 
decumbent to erect, 2 to 3 mm, high, KHO-+ dark purple, asalso the disk; apothecia 
pedicellate, the terminal sometimes clustered; disk flat, orange, the thalline margin 
entire, persistent; epithecium subcontinuous, grayish yellow; thecium colorless, 76 
to 80 x high; paraphyses loosely coherent, clavate and globular above, the heads of the 
same color with the epithecium, beneath the heads one or two joints; asci clavate, 
66 to 72 # long, 12 » thick, the membrane thin throughout; spores 8, oblong-ellipsoid, 
10 to 13 » long, 3 to 4 » thick, the loculi approximate without connecting tube (or 
isthmus); all hymenial structures blue with iodine and rose purple with KHO. 
On sandstone cliffs at and above tidewater, Santa Catalina and San Clemente 
islands, Trask; at Newport and Del Mar on the mainland. 
14. Caloplaca pollinii (Mass.) Jatta. 
Thallus of minute, dispersed, gray granules to obsolete; apothecia small, adnate, 
not over 0.5 mm. wide, dull brown black, flat; epithecium granulose, pale brownish; 
thecium colorless; paraphyses loosely coherent, their tips globular, surmounting one 
or two enlargements; hypothecium colorless; asci clavate or oblong; spores 8, oblong- 
ellipsoid, colorless, polari-locular with a faint connecting tube, becoming plainer after 
KHO, 12 to 17 « long, 5 to 7 » thick; all structures staining blue with iodine. 
On dead wood at Eden Hot Springs, Riverside County. 
The mature apothecia are biatorine in aspect, but those of a jurior state have a thin 
and inconspicuous yet distinguishable thalline margin. 
TELOSCHISTACEAE. 
Thallus foliaceous or fruticulose; apothecia sessile, marginal or terminal; spores 8, 
colorless, polari-bilocular or quadrilocular; sterigma endobasidial, jointed; spermatia 
short, straight; gonidia Protococcus. 
KEY TO GENERA. 
Thallus foliaceous, horizontal-spreading or ascendent... XanruHorta (p. 116). 
Thallus fruticulose, ascending to erect.................. TELOSCHISTES (p. 117). 
XANTHORIA T. Fries, 
The foliaceous thallus horizontally spreading or ascending, affixed to the substratum 
by rhizoids; apothecia circular, sessile or adnate, lecanorine; spores 8, polari-bilocu- 
lar; sterigma endobasidial; spermatia short, oblong-ellipsoid. 
KEY TO SPECIES. 
Apothecia rare; thallus erect, the lobes short, finely lacerate 
MDOVE. 2... eee ee ee eee eee eee ee eee la. X. lychnea pygmaea. 
Apothecia more or less common. 
Apothecia numerous; thallus lobes laciniate........... le. X. lychnea polycarpa. 
Apothecia less numerous. 
Thallus lobes laciniate, suberect.................. 1. X. lychnea. 
Thallus lobes laciniately dissected into linear divi- 
C6) 0 lb. X. lychnea laciniosa. 
