1748 CRYPTOGAMIA. ALGAE. 1938. Lichen. 
cyathoides. EfFufe, cracked, unequal, greyitTi-white : fhiekls 
ficial, piano convex, flexuous, black with a laifcd inarg"’’ 
Thin, effufe, mealy, grey; Ihields minute, crowded, ' 
tid 
dilk grey- mealy. 
cotarius. ~ 
concave, black, with a rather flexuous margin here ai)‘' 
ftrewed abo-^eand below with white flocular mall'es, bec<^ 
convex, black, and nearly without margin- 
*Iynceus. Smooth, equal, white ; (hields depreflTed, oblong. 
obtufe, pruinous, blackifli with a blackTmooth margin. 
E. Bot 809. ^\c\^ 
albo-eterulejcens. Tartareous, equal, uninterrupted, white : 
raifed, the difk flat, blueifli-whitc, pruinous; margin be^-® 
flexuous, black. Hoffrn. t. f.a. 
Jpeireus. Tartareous, pure white : fliields feflile, flat, b 
' pruinou.s, margined, becoming convex black and naked. 
Hoffm. t s(y.f. 2. _ . _ (j,ic’‘I 
* epipodus. Tartareous, teflellate, uninterrupted, white- 
raifed, with a flat bhieifli mealy difle, and black margin be 
flexuous, Eng Bot. t. 1137. tr d '''' 
corticolus. Effufe, cracked, pure white: fhields flat, appr®’ 
nute, crowded, becoming fomewhat globular, black, gf^y' ^ , 
Act. Stockh. i6. t. 5./. 6. a—c. 
2. ^mjlaceus. Somewhat powdery; fliields clothed with a ](J> ” 
abietinus. Effufe, very thin, fmooih, rather glaucous; m* 
perfi iai, flat, margined, blueifh-black, mealy 
lanO' 
„c‘'' 
Act. Stock. 16./. 15./'. 
*pruinofus. Leprous, very thin, red-ferruginous ; fhields p 
vex, deformed, blueifh-black, mealy. Dicks, 
DilleniAnu't. -Tartareous, plaited, granular, foft, rofy: fbi^ 
tilhji blueifh-black with ablackifh margin, mealy. 
Ackar. prodr. tab. i-f. 1. . . 
*csrnrus tffufe, thin, fnaooth, white: fliields fiiperficjah yai' 
1. - tmfparent, horny becoming brown, w'ith an ^ 
paler .m..rgin. Eng. Bat. t. cyb^. '’'"flai'j, 
*Iuteo-c .if.,: ' Effufe, thin, fmooth, white: fliields orang^^’^^^if b® 
with a border of the fame colour, becoming convex Wt' ■ c 
■de,. xi.ip Bot. t.\iyib. • h aO 
njcllus. - Thill'} greyifh: fhields plano-convex, rofy, with 
palcMri-.igin. Jacq. 3. /. 3. 
difb 
2. an.cps. I.eprous, gianular-mealy; 'fhields flefh-colour, the ^ 
li'l 
iiij, null ruious, with a tumid paler margin I ecoming depr^- 
iitca>\r.(ns. Granular, brown: fliields flefli-colour: mcalj'j , 
i- '!) X and fLxuoiis. Ihunb. prodr. 
* icmc.uopikths. Effnie, granular, unequal,, pale 
fiat,fieih-e 'u)wr, becoming dilated and a little. 
a thin flexuous margin. Eng- Bat. 1^%. 
