36 
Almq. 1 . c. Exs. Lcjka Hungar., n. 169, Norrl., n. 226. — Northern 
Europe. Greenland, fide Br. and Gronl., Greenland, ft. 508. 
221. A. marmorata, (Ach.) Nyl. Thallus thin, white, leprose. 
Apoth. oblong-difform or somewhat lobate, appressed, plane, within 
dark. Spores ovoid, 4 locular, brown, .012-15 by .0045-55 mm. 
Reaction blue. — Sftiloma Ach. hb. Nyl. Scand., p. 258. Spiloma 
melaleucum var. leucoftellceuni Ach. L. U.,p. 138. A. leu cop dice a 
Almq., p. 28. A. Scheereri Mass. Symm., ft. 68, fide Almq. A. 
cinereoftruinosa v. lobata Nyl. Arth., p. 94, Pr. Gall., 165. Tra- 
chylia melaleuca Fr. Exs., n. 23. Exs. Norrl., n. 46. —Europe. 
222. A. cliroolepida, Nyl. Thallus yellowish-white, somewhat 
mealy. Apoth. sanguineous-black, superficial, oblong-difform, con¬ 
vex, within dark. Spores oblong-ovoid, 4 locular, .009-13 by .003-4 
mm. Reaction dark vinous red.— Flora 1873, p. 22. On dead 
wood, Scandinavia. 
223. A. tabidula. Anz. Description not seen, but akin to the 
preceding, fide Almq., p. 31. — Anal., p. 19. —Italy. 
224. A. hypobela, Nyl. Thallus thin, white. Apoth. minute, 
rounded or a little oblong, slightly prominent. Spores oblong, nar¬ 
rowed below, and at length acuminate, 4-6 locular, .030-38 by .005 
mm.—Reaction from blue tawny red.— Flora 1876, p. 576. —On 
pinus sylvestris, France. 
225. A. caudata, Willey. Thallus white or inconspicuous. 
Apoth. appressed, minute, rounded or oblong. Spores oblong, at¬ 
tenuate below, 6-8 locular, .027-36 by .005-7 mm. Reaction blue. 
— Suftpl., ft. 54. —On white pine, New Bedford. Perhaps not dif¬ 
ferent from the preceding. 
226. A. lurido-alba, Nyl. Thallus inconspicuous. Apoth. 
rounded or oblong, lurid-black, greyish pruinose, the hypothecium 
dark. Spores ovoid, 4 locular, .014 by .006 mm. Reaction vinous 
red. — Tuck. Gen., p. 222 (nomen.) — White Mountains in hb. Tuck. 
227. A. diffusa, Nyl. Thallus thin, white effuse, or obsolete. 
Apoth. scattered, rounded or difform, plane or convex, naked or 
whitish pruinose, within pale. Spores oblong-ovoid, 4 locular, 
.009-13 by .0035-45 mm. Reaction blue. Spermatia oblong. — 
En. ft. 337 (nomen.) Flora 1885,/. 448. A. Willeyi, Tuck, in litt. 
— Northern, Middle, and Western States east of the Mississippi. 
228. A. subdiffusa, n. sp. Thallus, white, effuse, somewhat 
mealy. Apoth. minute, rounded or a little oblong or angular, ad- 
nate, plane or a little convex. Spores narrowly oblong-ovoid, 4 
locular, .012-16 by .0035-4^)111111. Reaction of the thekes vinous red. 
— Florida, Austin in hb. Tuck. 
