123. Catillaria] 33. LECIDEACEAE 219 



finally disappearing; hypothecium pale yellow; spores sometimes non-septate, 

 oblong-ellipsoid to fusiform, sometimes curved, 9-15 X 3-4.5 /x. 



On trees, rarely dead wood, from New England to Florida, and westward 

 throughout northern United States. 



5. Catillaria globulosa (Floerke) T. Fries, Lich. Scand. 1:575. 1874. 



Lecidea globulosa Floerke, Deutsch. Lich. part 10. 181. 1821. Biatora globulosa 

 (Floerke) E. Fries. 



Thallus thin, ashy white to dirty gray, smooth, becoming minutely granulose, 

 sometimes disappearing; apothecia minute to small, 0.25-0.5 mm. across, adnate, 

 the disk flat to strongly convex, pale lead-colored or dull brown to black, the 

 exciple of the same color, thin, soon disappearing; hypothecium hyaline; spores 

 long-ellipsoid, the septum often indistinct or absent, 7-13 X 2-4 p. 



On old wood, New Hampshire and California. 



6. Catillaria prasina (E. Fries) T. Fries, Lich. Scand. 1:572,573. 1874. 



Micorea prasina E. Fries, Syst. Orb. Veg. 257. 1825. Biatorina prasina (E. Fries) 

 Stein. C. prasina f. byssacea (Zwackh.) T. Fries. C. prasina f. prasiniza 

 (Nyl.) Zahlbr. 



Thallus thin, of very minute, round, frequently heaped granules, sometimes 

 somewhat scurfy, pale or dark greenish gray to blackish green; apothecia minute 

 to small, 0.2-0.5 mm. across, adnate, the disk convex, pale to reddish brown, 

 finally black, the exciple soon disappearing; hypothecium hyaline to brownish; 

 spores oblong-ovoid, frequently non-septate, 8-12 X 3-5 /x. 



On old wood, from Massachusetts to Georgia, and westward throughout north- 

 ern United States. 



• 



7. Catillaria Herrii (Hepp) Fink n. comb. 



Biatora Herrii Hepp, Spor. Flecht. Eur. pi. 16, f. 135. 1853. Biatorina Herrii 

 (Hepp) Fink. 



Thallus of minute, round, frequently heaped granules, greenish gray, sometimes 

 disappearing; apothecia minute, 0.1-0.3 mm. across, adnate to sessile, the disk flat 

 to slightly convex, flesh-colored and darkening to black, the exciple at first darker, 

 then of the same color; hypothecium hyaline to light brown; spores ovoid-ellip- 

 soid, 7-12 X 3-5.5 /*. 



On the thallus of Peltigera canina, Massachusetts, Ohio, Illinois, and Minnesota. 



8. Catillaria franciscana (Tuck.) Herre, Proc. Wash. Acad. Sci. 10:95. 1910. 

 Biatora franciscana Tuck., Syn. N. A. Lich. 2:32. 1888. 



Thallus thick, becoming warty and crumbling, ashy white to gray; apothecia 

 middle-sized, 0.5-0.8 mm. across, sessile, the disk flat to strongly convex, black, 

 or commonly more or less whitish pruinose, the exciple dull black, soon disappear- 

 ing; hypothecium hyaline; spores oblong, 14-22 X 3-5 /x. 



On various rocks, California. 



9. Catillaria leptocheila (Tuck.) Riddle, Mycologia 4:128. 1912. 



Lecidea leptocheila Tuck.; Nyl., Ann. Sci. Nat. Bot. IV. 19:351. 1863. Hetero- 

 thecium leptocheilum Tuck. 



Thallus thin, minutely granulose, chinky and finally warty, whitish to brownish, 

 bordered by a thin, black, fibrillose hypothallus; apothecia middle-sized to large, 

 0.8-1.5 mm. across, sessile, the disk flat to strongly convex, black, the exciple 

 thin, black, soon disappearing; hypothecium brownish; spores boat-shaped to 

 ellipsoid, 12-16 X 4-5 p. 



On trees, Florida and Alabama. 



10. Catillaria endochroma (Fee) Zahlbr., in E. & P., Nat. Pfl. 1 1 :134. 1907. 

 Lecanora endochroma Fee, Essai Crypt. 114. pi. 29, f. 1. 1824. Heterothecium 



endochromum (Fee) Flot. Biatora endochroma (Fee) Merrill. 

 Thallus moderately thick, rough, wrinkled, minutely granulose, greenish gray 

 to yellowish or ashy; apothecia middle-sized to large, 1-1.8 mm. across, sessile, 



