ft Apoth. darker colored. 
7. A. lurida, Ach. Thallus inconspicuous. Apoth. brown or 
blackening, within of the same color, rounded or somewhat difiform, 
appressed, plane or slightly convex. Spores ovoid, 2 locular, brown 
or decolorate, .010-12 bv .005 mm. Reaction with iodine vinous 
red, with potash deep violet. Spermatia oblong, .004-6 mm. long. 
— L. U., p. 143, Syn.,p. 7. Schoer. En., p. 212, and t. 9. f. 6. 
Nyl. Arth ., p. 91. A. lurida, c. vulgaris Almq ., p. 16. A. vinosa 
Leight. Gr. Brit., p. 391, p. p. fide Almq. 1 . c. Coniangium Kbr. 
Syst., p. 298. C. vulgare, Fr. L. E., p. 378. A. sublunda Anz. 
Neosymb., p. 13, fide Almq. 1 . c. Lecidea emphysa Stirt., Grevillea 
1874, p. 33, fide seipso, ibid. Nov. 1874. But see Leighton's remarks 
ibid. p. 117, and Stir toil's reply ibid. 1875,7b 173. Exs. A r orrl., n. 
223.—Europe. New England in lib. Willey. Buffalo, N. Y., Miss 
Wilson. 
Var. spadicea, Nyl. Apoth. darker, and the spores smaller, .007 
-9 by -003-4 mm.; figured in Hepp, n. 161.— Arth. p. 92, Pr. 
Gall., p. 411. Almq., p. 15. A. spadicea Leight. Gr. Brit., p. 
393.—Europe. 
8. A. luridofiisca, Nyl. Similar to lurida v. spadicea, but 
without reaction with potash. Spores .014-17 by 005-6 mm.— 
Flora 1875,7b 363. A. lurida var. Almq., 7b 15. Exs. Zw., n. 
86 77 . Lojka L. I/., n. 193.—Europe. 
9. A. subspadicea, Nyl. Similar to A. spadicea, but colorless 
within, and giving no reaction with potash. Spores .010-11 by 
.0035-45 mm.— Flora 1875,7b 364.—-Europe. 
10. A. didyma, Kbr. Thallus thin, effuse, leprous, from glau- 
cescent becoming reddish. Apoth. dark brown and blackening, 
minute, crowded, difform, angulose, or substellate, plane, or slightly 
convex. Spores ovoid, 2 locular, brown or decolorate, .016-18 by 
.0065-8 mm., the upper cell larger; figured in Hepp., n. 558. Re¬ 
action from blue vinous red.— Sert. Slid., 11. 8. Almq., p. 13. Nyl. 
Scand.,p. 261. A.pinetiKbr. Syst.,p. 292, Pg.,p. 266. A. lurida 
v. pineti Nyl. Scand., 7b 261, Lapp. Or., 7b 167. A. vinosa v. 
pineti, Leight. Gr. Brit., p. 392.—Europe; and a too scanty speci¬ 
men from the White Mts. may belong here. 
Var. decipieus, Kbr. Thallus leprous, white. Apoth. rounded, 
tumid, more emergent.— Pg. p. 266.—Europe. 
11. A. atrofuscella, Nyl. Similar to the preceding, but the 
spores smaller, .012-16 by .005-6 mm.— Flora 1875,7b 363.—Europe. 
12. A. sapineti, Nyl. Similar to atrofuscella, but the apoth. 
pale within and no reaction with potash. Spores .011-14 by .006 
mm.— Llora 1876. yb 239. A. didyma, Almq. p. 13.—Europe. 
