H 7 - A. ruderella, Nyl. Perhaps a subsp. of the preceding, 
differing in smaller apoth., the epithecium and hypothecium brown, 
the thallus dark, or ochraceous ash-colored, thin, continuous, or 
evanescent. Spores 2 locular, .010-14 by .0035-45 mm.— Flora 
1881 . p. 535.—On sandstone and calcareous rocks, France. 
148. A. iidhserens, Miill. Arg. Thallus clayey, effuse. Apoth. 
orbicular, hemispherical convex, rugulose. constricted at the base. 
Spores 2 locular, solaeform, .010-13 bv .0045-55 mm -— A eg. p. 19. 
—On limestone, Egypt. 
149. A. graiiitopliila, Th. Fr. Thallus inconspicuous. Apoth. 
minute, angulate-rounded or slightly elongated, plane or slightly 
concave, simple or diffract, the thick hypothecium blackish-brown, 
and blackening. Spores ovoid-oblong, brown, 2 locular, .012-17 by 
.005-6 mm. Reaction vinous red. Spermatia .004-5 mm - long.— 
Hot. Not.. 1865,7b 39, Almq..p. 32.—Granitic rocks, Scandinavia. 
Almq. 1 . c. is-disposed to place here Coniangium Buerianum. Kbr. 
L. S. G.. n. 291, not seen by me. 
150. A. aggregata, Wain. Thallus thin, greenish ash-colored, 
somewhat leprous. Apoth. angulate-rounded or subflexuous, crowd¬ 
ed, plane, the hypothecium blackening. Spores oblong-ovoid, 2 
locular, brown, .010-15 by .005-6 mm. Reaction vinous red.— 
Adjum. II. p. 156.—Granitic rocks, Scandinavia. 
151. A. excentrica, Th. Fr. Thallus thick, white, glomerose- 
farinose. Apoth. minute, orbicular or angulose, plane or convex, 
scabrous, the hypothecium reddish-brown. Spores cuneate-oblong, 
2 locular, .011-13 by .004-5 mm Reaction vinous red.— Spitz., p. 
46. A. vagans f. Almq.. p. 55.—On mosses, Spitzbergen and else¬ 
where in the Arctic regions of Europe. 
152. A. albimila. Nyl. Thallus thin, white, granulose. Apoth. 
minute, irregularly rounded, within yellowish. Spores ovoid-oblong, 
2 locular, .014-17 by .006-7 cam. Reaction vinous red.— Flora 
1886, p. 463.—On decayed vegetation, Pyrenees. 
153. A. terrigeiia, Willey. Thallus inconspicuous. Apoth. mi¬ 
nute, rounded, lecideiform. Spores decolorate or pale-brown, ovoid- 
oblong, 2 locular, .011-12 by .0035 mm. Reaction of the hymenium 
none, of the thekes vinous red.— Nyl. in Flora 1885, p. 448.—On 
the earth, New Bedford, Mass.—“Not to be confounded with any 
other species.” Nyl. 1 . c. 
JJOn bark or dead wood. 
154. A. patellulata, Nyl. Thallus thin, white, effuse, some¬ 
what mealy, or obsolete. Apoth. rounded, appressed, plane, within 
pale, or blackening. Spores ovoid, 2 locular, .009-13 by -003-5 
