. CRYPTOOAMIA. ALGAE. 1938. Lichen. 1749 



2. elvcJeicks.. Granular, greenifh: fhields flat, becoming convex, yellowiih- 

 broWn-i flexuous, irregular. 



3. temginofrs. ' fd gr<»Tiu1ar^ greeniflig1aucctis-gf£y,<aHkle limit- 

 ed: fhields flat, flexuous flelh colour- t \ ./ 4. 



Jubcarneus. Tartareous, determined, fmooth, Cracked, whitifh, with 

 a tegular fomewhat radiate circumference ? fhields flattifh> mar- 

 gined, Hem colour, with a glaucous -mealy difk, becoming con- 

 vex cluttered and deformed. Act Stock 5. / b.f. 4. 



luteolus. \a\ v)u c , granular, gree'nifli-grey* fhields 1 becoming con- 

 vex, yellow ifh Hoff'm t $./. 1. 



2. aceriKia^m-^iv^r^k-:, very thin, whitifh grey : fhields flat, red-! rown. 



3, arceutinus Smooth naked; very thin, fafcitiih-jrey: fhields flat, dull 

 brown, becoming blacjfc. 



Ruffula. Rugged, areolate, whjte: Shields flat, deep red, becoming ru. 



fofcs-brown. 

 hypoptus. EfFufe, leprous-, thin, unequal, grey-brown: fhields plano- 

 convex, not margined, b -ack-luown. 

 Eryfibe. Leprous, cracked, tiocciilar -mealy, dull green : fhields a 



little immerfed, minutej rather convex, rufgus-brown. 

 viridescens. Leprous, errtde, thin, granular, green: ihields a little 



convex, rugged, b'ackiih thrown. 

 * querncus. Leprous, granular, pale yejlowifh- brown : fhields 

 fomewhat immerfed, black- brown, becoming convex. 

 Eng. Bot. t, 485. 

 fSts/iH. Leprous, white, with a fibrous circumference: fhields 

 immerfed, concave, fcarlet, becoming. Convex, vjjithathtck lep- 

 rous border. Eng Bot, t. 486. 

 granulofus. Leprous, granular, hoary: fhields flattifh, becoming con- 

 vex, pale and dull rufous. Hoff'm. t. 36. f. 3, 

 . 2. decoloratus. Granular, grey: fliields flat, margined •. rufou$*f!e :h Colour 

 and blackifh. Hoffm. i. 39 / 2. 

 g> ach'cus. Lepr us, grey: fhields minute, flat, p«lr,'with a grey^ftargin. 

 *4- aporeticus. Grev, granular-mealy; fliields Hat.) bkckilhl;rov/:f r v. re- 

 coming rather convex, with an unequal flexuous flighily lobed border. 

 Eng. Bot t 1185. 

 cyrtellus. EfFufe, verv thin, fmooth, glaucous hoary: fhields minute, 

 fcattered, pale brown, becoming hemifj ha rieal and blackifh- 

 brown, with a thin paler nearly evane&ent margin at the bale. 

 *vernalis. Effufe, very thin, greenifh -white: ihields becoming near- 

 ly globular, crowded, reddiih-ferruginous. Eng. Bot. 84 5. 

 *fpha:roides. Green ifh -grey, fomewhat mealy : tuberc.es g'qbular, 



cluilered, flefh-colour. Dicks, i. i.f. 2. 

 fcinereo-fufcus. EfFufe, thin, unequal, ilightly cracked, grey-white; 

 fhields fiattiili, becoming rather contiuent,unequal, rufous brown. 

 Hoffm. t. 12 f- 1. 

 •z. luteo-albus. Effufe, thin, even, broken, unequal, whitiih: ihields minute, 

 crowded, plano-appreffed, becoming a little convex, pale yellow with a 

 a border of the fame colour. 



