91 



SYNOPSIS 



15. A. poljiiiorplia tisclnv. Licit. Bras. p. Ill, Tc. 

 srI. t. f. 3. (An Arlh. macroiheca Fee Ess. SitppLp. 42?). 



— In Anier. merid. (Guyana, Brasil.), ad cortices. 



'* Thallus crassiusculus, leprosus. 



16. A. spiloniatoides N\l. C/iil. p. 169.— In Chili 

 ad saxa. 



B. S])onr ovoidew, normaliter 5-s- sf plaice ■ — Spec. 

 17-32. 



■ Tliallus tenuis vel vix uilus. 



H. A. cinereo-ppwiMosa SchcCr. £■«!</«. p. 243, 

 L. H. 251 (A. biformis). 



Tliallus tenuis albidus pulverulento-opacus, effusiis , 

 apothocia SiTppius parva nigra albido-priiinosa rotundata 

 vcl nonnihil dilTormia, plano-convexiusciila, inlus obscure 

 cinerascentia; sporte 8"=° demiim fuscescentcs, S-septata^, 

 longit. 0,014-16 millim., crassit. 0,006-7 millim., lamina 

 tenuis apotbecii dilute sordida. — Gelatina hym. prgesertim 

 tbecarum iodo vinose fulvesccns. 



In Helvetia ad corticein Ahietis picccB montis Gurnigel 

 in regtone Bornensi, Scbierer. Variat ibidem apotbeciis fu.scis 

 lobatis denudatis (Mus. Par.). — Accedit ad A.prninosam. 



18. A. dilatata Fee Ess. p. 54. t. 13, f. 7, Suppl. 

 p. 38; .4. poli/inorpha Acb. Syn. p. 7. — Amer. niorid., 

 Anlillaj. 



19. A. melaiiophttialBna Duf. mscrpt., Nyl. Lick. 

 Alger, p. 336; .4. Swartzuina DR. Fl. Alger, p. 283. 



Thallus albidus tenuis vel vix ullus, in integris linea 

 obscura vel nigricante limitatus, apothecia nigra innala- 

 plana, rotundata vel nonnihil difformia, inlus cinerascentia 

 vel nigricantia; spora- 8"=^ oblongo-ovoideio plerumque 

 5-scptata-', longit. 0,014-19 millim., crassit. O,00o-S millim. 



— Gelatina livmcnea iodo intense co'rulescens. 



