CRYPTOGAMIA, ALGAE. 1938. Lichen. j; 47 



fallido.mger. Pale ferruginous, mealy: fhields raifed, flat, black. 



Thunb: prodr. 

 fufco-ater. EfFufe, finel y cracked, black, opake; fome of the patches 

 polifhed, flat, black-brown: fhields plano-convex, intermixed, 

 black. Jocq. /, 6. /. 2. b. 

 dendriticus. Orbicular, pitch-black, with a radiate fringed cir- 

 cumference : fhields flat, crowded, margined, of the fame co- 

 lour. Hoffm /. 19 f. 4. 

 *atro-albus. iiffufe, very finely cracked, black, with foQ*e warty 

 convex fcattered whitifh patches : fhields piano-convex, inter- 

 mixed, black. 

 *atro-virem* EfFufe, finely cracked, black: warts apprefFed, minute, 

 crowded, roundifh,fmootb,yel!owilh: fhields flattifh, intermixed, 

 black, with a rather mealy dtfk» Hoffm. t< in*f. 4. 

 2, gerontuus. Black, rather continued, finely cracked: warts rarely fcat- 

 tered, convex, rugged and cracked, deformed, fomewhat mealv, palifh- 

 white: fhields margined, black. Flor Dan. t. 472 /. ^? 

 *3- gtograpbicus. Yellowifh, tcfl'ellated, with a black margin and lines : 

 fhields irregular, flat, black, Ena % Boi. 24c. 

 *tigillaris. Effufe, areolate, plaited-warty, glabrous, yellowifh ; 

 warts railed, bearing the fhields: fhields flat, margined, black. 

 Eng. Bot. 1530. 

 balonius. Cracked- areo-ate, glabrous, pale greenifh yellow: fhields 



fcattered, black, flat, margined, becoming convex and conic 

 *citrineilus. Leprous, granular-mealy, greenifh -yellow: fhields mi- 

 nute, nearly globular, black. Dicks. t. 8. /*. 9. 

 Jcobrofus. EfFufe, very thin, greenifh-yellow, mealy : fhields convex, 



rough, black. 

 * filaceus. Tartareous, telTeilated, yellowifh-red : fhields flat, mar- 

 gined, becoming convex, fomewhat confluent, black. 

 Eng. Bet. t. 1118. 

 *Oederi. Thin, telfeilated, fomewhat rugged, nifty-red: fhields mi- 

 nute, a little immerfed, Tomewhat globular, black, with apunc- 

 tiform impreiFed disk. £ng. Bot. t. U17. 

 *privignus. Crult hardly any: fhields difperfed, deformed, plaited - 



wrinkled, black. Linn. Trans i.t. 28/. 2* 

 •confpurcatus? Thick, rugged, greyifh, fnow white within: fhields 



minute, brown, becoming concave and black, Eng. Bot. 964. 

 fagnuineo-ater? Leprous, mealy, greenlfh-white: ihields hemifphoe- 



rical, not margined, bright red, becoming buckifh red. 

 viridi-ater? Papillous„ yeilowifh-green; ihields black. 

 UrgtUaceus. Very thin, dull yellow: fhields rather cluttered, black, 



fulvous-red within. 

 terminalis? Blackt fhields convex, black. Fl.Dan.tiqf.i. 

 piceus? Somewhat orbicular, blackiflu fhields flattifh, rather coir - 

 prefled, black, polifhed. 



