ij<f6 CRYPTOGAMIA. ALGAE. 1938. Lichen. 



*contiguus. Glaucous-white, granular, tefTellate: fhields cluttered, 



deprefTed, flattifh, angular, black, wilh a narrow raifed margin. 



Eng. Bot.t^lx. 

 lapicidus* Tartareous, broad, a little rugged in the divifions, greyt 



fhields deprelTed, fiatiifh, crowded, becoming unequal angular and 



confluent, black. Hoffm. /. 57./. 2. 



2. cyantus. Glaucous-grey, cracked, edged with black: fhields blueifh- 

 blackj with a black margin. 



Helycopis. Somewhat tartareous, unequal, fruflubr, cracked into 



patches, grey edged with white: fhields raifed, fcattered, flattifh 3 



margined, black. 

 rivulofus. Brownifh-grey, cracked into patches, edged and decufTate 



with black Terpentine lines: fhields Tuperficial, fcattered, hV, 



margined black. 



* mifcellus. Tartareous, granular- warty, brownifh-grey : fhields 



becoming convex, irregular, black, flightly margined. 

 Eng. Bot. tab. T247. 

 '^Jafiguinarius. Rugged, warty, greyifh-white: tubercles convex, 



hemilphaerical, biack, bright red within. Eng. Bot. t. 155. 

 latypeus. Effufe, thin, unequal, <iranular-areolate: fhields minute, 

 crowded, black, fiat, margined, becoming convex, a little warty 

 onthedifk. 

 *comfiuens. Somewhat effufe, era'. ked into patches, equal, fmoaky- 

 grey: fhields convex, confluent, black. Hoffm. t. 19./"- 1. 

 *t. filularii, Whiufh: tubercles nearly globular, black, without margin. 



Linn. Trans. 2 /. 28/1. 

 liiterizus. Cruil »one:fhields fcattered,diftincl,hemifpharieal,rather polifhed* 

 4. sehromelus. Ochraceous on the furface, oftea decufTate and bounded 

 with black ferpentine lines. 

 fumofus. Bounded, cracked, equal, Tooty-grey : fhields deprefTcd, 



flattifh, margined, black. Hoffm. t.^.f. 2. 

 ftbroocarpus* Bounded, areolately warty, glabrous, polifhed, lurid 

 brown: fhie>ds crowded, imme:fed in the protuberances, flat, 

 biack, finely margined. 



• ceckumenus. Bounded, areolately cracked, grey'fh o r ive: fhields 



becoming convex, deformed, margined, black. Hoffm. t. 54./ 1. 

 z. Migrnctus, Olive, in fomewhat imbricate lobed patches iurrounded wirh 

 a tumid black rather mealy border. 



3. cirfodes. Olive-brown, in fomewhat flexuois hardly margined patches: 

 fhields becoming convex, cluttered, tubercied, deformed, very large, bjac k 



*uligimfus. Granular, gelatinous, olive-brown: fhields black, flattiih r 

 margined, becoming convex and cluttered. Eng But /. 1466. 



2 gentians. Leprous, granular, grey-ferruginous.* fhields black, convex, 



contiguous, confluent. 



3 ^**w/»j.Leprous,blackiih.'fhield!i becoming convex,cluftVred, black-brow a. 

 ielofus. EfFuTe, flocular- mealy, grey greenifh-rufous: fhields minute, 



deformed; becoming clavate, fiat, margined; at lift convex,black, 

 with an evanefcent margin. 



