ArrriiOMAiiLM. 89 



Tliallus liypopIilffioJos , \('l cpipiila>oclos le[)rosus , 

 obscure limitatiis (maculam albicanlcm in cortice forinans); 

 apotliccia grcgai-ia siipeificialia Jiscoidca plana simplicia 

 oblongo-JitTormia aut lobato divisa vel nonnihil ramosa 

 riifescentia vcl dilute fusca tenuiter albo-pruinosa, lateribus 

 cinnabarine faliscentibus; sporte 8""= oblongo-ovoidese S- 

 scplatfc, long. 0,020-24 millim., crass. 0,006-9 niillim. 

 Gelatina bymenca iodo Cffirulescit, ca Ihccariim vinose 

 sordide rubct. 



Variat, utlcvio^ataceamus,thallotolococcineo-fatiscentc(/•M- 

 i/'aj, aut apotheciis totis albo-pulvcrulentiS(7jrMinam Del.) 

 aut dein apotbeciis ochraceis (ochracea Duf. Jonrn. phys. 

 1818, p. 20o). Spor» simplices vel l-o scptalio. 



In Europa piavsertim media froqucns ad arbores varias, 

 Til IVaxinos, car|)inos, castaneas, abietes juniores. In Scan- 

 dinavia modo ad Sueciam meridionalent proccdit. Varietas 

 ochracea, ad ainos propo S'-Sever ab ilkistri Lron Dufour 

 delecla, vix ut species propria scparari mereatur (I). 



2. A. cas'SSssea. Graphis Acb. L. V. p. 272, Sijn. p. 

 86 ; Fee Ess. p. 43, t. 7, f. 4, Suppl. p. 30 ; Sprcng. S. Ve(j. 

 IV, p. 253; Vstalia Escliw. Lick. Bras. p. 104; Arih. 

 fuscescens FdeEss. p. 36, t. 13, f. 8, Suppl. p. 41. — In 

 America meridionali et in Antillis. 



3. A. ruSielSa. Graphis Ft;c E.ss. p. 43, t. II, f. 5, 

 Suppl. p. 31 ; Arlh. rufella Nj-I. ChiL p. 170. Parum vel 



(1) Lepra kennesina Schser.Enum.,p. 210, stains est ejiiptilocodes 

 varietalis rubric leprose degeneraltc, lolus ciiiiiabariiio-coccineus. 

 — Colof liicce oritur e suljslanlia coloranle gelatinosa, qu;e in 

 hypotliecio plus miuus di>tributP; at interdum llialamium totuin 

 eadem est porfusuin. — Uslalia adspersa Monl. Ann. sc. 7iat. 2, 

 XVIH, p. 278 (Lepr. Giiijan. n. 708) vix diversa a forma dimiiiuta 

 Arlliouice cinnabarinw ; forma ejiisdem erumpcns lecla est in 

 (Juyana gallica a colleclore pnestantissimo Melinon (spor;e huic 3- 

 septatre, longit. 0,018 millim.. crassit. 0,006-7 millim.). — Similiter 

 Arlh. rioUicea Pei's., locia a Gaudichaud in insulis Marianis, forsaii 

 ejiisdcm varietas apotheciis violaceis, hypotliecio fere incolore, 

 sporis 1 scjilalis dilute fuscis {Mus. Paris.,'. 



