43 
266. A. disperselln, Mlill. Arg. Thallus from pale brown be¬ 
coming white, thin, bordered by a dark line. Apoth. numerous, very 
minute, from orbicular oblong-elliptical and linear-difform, often 
stellate-ramulose, innate-sessile, plane, within pale. Spores cylin- 
drical-obovoid, 4 locular, .016-19 by .005-7 mm. Beitr., n. 225.— 
Caracas, S. America. 
267. A. oblonglllll, Miill. Arg. Thallus thin, white, evanes¬ 
cent. Apoth. from elliptical elongated, straight or curved, obso- 
letely bifurcate, within pale. Spores dactyloid-obovoid, 4 locular, 
.014-18 by .0055-6 mm.— Beitr., n. 1094.—Australia. 
268. A. obscurella, Miill. Arg. Thallus dark ash-colored or 
smoky-black, smooth, bordered by a dark line. Apoth. linear, sim¬ 
ple, or divergently 1-2 branched, or depauperate-stellate, with a 
thin distinct margin, when dry somewhat channelled, when wet con¬ 
vex, ashy pruinose, within greenish. Spores cvlindrical-obovoid, at 
length brown, 4-6 locular, the upper cell larger, .015-22 by .005-65 
mm.— Beitr., n. 223.—New Grenada. 
269. A. linearis, Kph. Thallus thin, white, bordered by a 
black line. Apoth. minute, slender, interruptedly somewhat linear, 
simple, or somewhat flexuous and ramulose, scattered, somewhat 
immersed in white thalline prominences. Spores oblong-ovoid, 4 
locular, the upper cell larger, .028-37 by .008-12 mm .—Flora 1873, 
p. 466.—China. 
270. A. gradients!, Miill. Arg. Thallus white, obsoletely black 
limited. Apoth. innate-erumpent, slender, elongated, and some¬ 
what rectangularly few branched, variously diffract-curved and sub- 
torulose-uneven, convex, within dark. Spores dactyloid-obovoid, 
often curved, 6 locular, the upper cells larger, .021 by .008 mm.— 
Beitr., n. 522. Shirley 1889,/. 152.—Australia. 
271. A. gracillima, Miill. Arg. Thallus thin, white. Apoth. 
lirellaeform, emergent, simple and irregularly branched. Spores 
cvlindrical-obovoid, 6 locular, the upper cell larger, .018-24 by 
.008-10 mm.— Beitr., ?i. 1195-—Australia. 
272. A. leptogranima, Miill. Arg. Thallus thin, white or mealy- 
white, effuse. Apoth. slender, irregularly linear, and here and there 
almost short-substellate-ramulose, sometimes powdery. Spores 
^oblong-ovoid, 6 locular, the upper cell larger, .028 by .011-12 mm. 
— Afr. Occ., p. 39.—Africa. 
273. A. moniliformis, Nyl. Thallus pale brown. Apoth. lin¬ 
ear, moniliform-uneven, somewhat flexuous and branched. Spores 
obovoid-tusiform, 7 —8 locular, the intermediate cells laigei, .018—20 
by .006-7 nim.— En., p. 1 33 » Exot. Berm)., p. 234, Mull. Arg. 
