175 - A. biseptellii, Nyl. inecl. Thallus inconspicuous. Apoth. 
adnate, rounded or slightly angulose or oblong. Spores oblong, 3 
locular, .007-9 by -003-4 mm.—Cuba in hb. Tuck. 
176. A.-. Thallus thin, white, bordered by a black line. 
Apoth. adnate, rounded or elliptical, convex, within pale. Spores 
oblong-ovoid, 2 locular, .016-25 by .008-9 mm - Reaction vinous 
red.—On dead wood, Cuba, in hb. Tuck. Exs. Wright Cub., n. 211. 
177. A.-. Thallus very thin, white. Apoth. very minute, 
punctiform, rounded. Spores ovoid. 2 locular, .019-23 by .009-11 
mm.—Cuba in hb. Tuck., marked “unique.” I have only a very 
small fragment. 
178. A.-. Thallus thin, pale yellow, determinate, limited 
by a black line. Apoth. adnate, rounded, angulose or a little elon¬ 
gated, plane, within pale. Spores oblong-ovoid, constricted, brown, 
.029-46 by .010-16 mm. Reaction light blue.—Port Famine, Straits 
ot Magellan, Hassler, Exp. Sent to Nyl. as No. 15. 
179. A. . Thallus thin, white, indeterminate. Apoth. mi¬ 
nute, rounded or a little oblong or angular, convex. Spores ovoid 
or ellipsoid, the ends rounded, more or less constricted in the mid¬ 
dle, 2 locular. .018-23 by .009 mm.— Wright Cub., n. 211. 
ff Apoth. more or less elongated, stellate or irregular. 
180. A. dispersa, (Schracl.) Nyl. Thallus thin, white, effuse or 
obsolete. Apoth. lirellaeform, simple or sparingly branched. Spores 
ovoid-oblong, 2 locular, .010-15 by .004-5 must,; figured in Hepp., 
n. 343. Reaction blue.— Opegrapha Schrad. Exs., n. 167. Ar- 
thonia Nyt. Scand., p. 261, {non Art//., p. 93,) Flora 1873, P- 267, 
Almq.,p. 43. A. mi/mtula Nyl. Arth., p. 102, Pr. Gall., p. 169. 
Exs. Norrl., n. 47. Lichen epipastus Ach. Pr., p. 23, L. diasp or us 
ibid, p. 228, and Opegrapha epipasta ibid, p. 26. Syn., p. 25, fide 
Al/uq. 1 . c. But “A. epipasta Ach." Leight Gr. Brit., p. 397, is 
described as having dark brown apoth., and 4 locular spores, twice 
the size of those of A. radiata ; and “ A. epipasta Ach A Kbr. 
Syst., p. 292, Pg. 266, as having 2-4 locular spores, and the place 
of these two seems to be elsewhere.—Europe, United States. 
f. Rhododendri, Arn. Flora 1872 ,p. 152, is a Melaspilea near 
M. proximclla,fide Almq., p. 44. 
181. A. cytisi, Mass. Thallus inconspicuous. Apoth. lirellas- 
form, stouter than in the preceding, mostly hollowed with elevated 
margins, aggregated or confluent in substellate heaps. Spores ob¬ 
long-ovoid, 2 locular, .012-18 by .003-6 mm. Reaction blue.— 
Mem., p. 114, Al/uq., p. 44 - A. dispersa Mass. Pic., p. 51 andf. 
