17^6 CRYPTOGAMIA. ALGA£. 193S. Lichen- 
*ci>nt!giius. Glaucous-white, granular, telTclIate: Ihields 
dcpreffcd, Hatrilh, angular, black, with anarrow raifed marg*'^' 
Eng. B»t, /. 821. 
lapkidits. Tanarcous, broad, a little rugged in the divifioff; 
Ihields deprtfled, flatttflt, drowded, becoming unequal 
confluent, black. t. 57*/-2. , 
a. cyaitem, Glaucous-grey, cracked, edged with black: flilclds hi 
black, with a black margin. jp|J 
llelycofii. Somewhat tartarcous, unequal, fniftnlpr, cracked .jj,, 
patches, grey edged with white: fhieids raifed, fcattered, 
margined, black. 0 
rivuhjus. Brovvpilh grey, cracked into patches, edged and 
with black ftrpentine iincs: Ihields fuperficial, featteredj 
margined Mack. jg]J: 
* ^ifiellus, Tartarcous, granular-warty, brownifli-grey : 
becoming convex, irregular, black, (lightly margined- 
Eng. Bat. tah. 1247. 
*fafiguinarius. Rugg'd, warty, grcyiih-white : tubercles cO"’ 
hcmifphacrical, black, brigct red within. Eng. Bot t, 
latypeus. EfFufe, thin, unequal, granular-aieo'.ate: (hields ^t') 
crowded, black, flat, margined, becoming convex, a littl® 
on the di(k, -1;;' 
’’^confluens- Somewhat effufe, cracked into patches, equaL 
grey; fhielcis convex, confluent, black. Hcffm. t. tq / m- 
•*. pilularis. Whitifti; tubercles nearly globuUr, blick, without 
Linn. ‘Trans, 2. t. 2%.f i, .. ...wpoliOS 
3 . //o-r*w.Cru(l none.-lhields fc«ntred,diltir.<(l,hemilphaencal,rathef 
4 . othnmlus. Ochrareous on the furface, often decufl’ate and 
with black ferpentitie lines. .(iW 
fumujus. Bounded, cracked, equal, footy-grey : (hields , 
flatti(h, margined, black. Hoffm. t. 49./. 2. , lu^'" 
^throocarpus. Bounded, areolatcly warty, glabrous, poIift*^‘ fh'* 
brown: fliield.s crowded, iinnic:fed in the protubiran<-® ’ 
black, finely margined. 
^ttchumenus. Bounded, aretflately cracked, greydh oli'*^' 
beco-ming convex, deformed, margined, black. Hoffr» f'p'*"' 
*. sitjfraetus. Oiivc, in fcmewhat imbiicate lobed patches iurrouf ^ 
a tumid black rather nealy border. , 
3 . dr/tdes. Ojive-brown, in (nmewhat fitxuoss hardly hifi 
hrrnmintjr rrmw-M. /•hiflfr/srl rtiKcrol*^ -1 U4-*rV 
A 
(hields becomirg convex, cluflered, tubercled, deformed, very 
^uUginafus. Granular, gelatinous, olive-brown; (hiehls black 
margined, becoming convex and cniltered Eng Bd ^ 
s geommsss Leprous, granular, grey-ferrugiaous; (hields blsck* 
contiguous, couiluent. 
j. iii«tj/Br.LeprouE,!>laclci(h;lhieldt becoming convex, cl uftered,_b|^‘'^ii)t'l 
itlojtit. EfFule, flocular-mcaly, grey greeni(b-rufbus: (liic'^® 
deformedi becoming clavate, flat, marginedi at laft cou''^ ’ 
<vith an evanefeent margin. 
