"23*2 iv. mi wni ic. 



Chiodccton Ach. 



1. Ch. sphœrale Ach. — In Peruvia, Wedd. 



2. Ch. arthonioides^y\. (Arthonia glyphisoides Fée Ess. suppl. p. 40, 

 t. 36, f. 2). — Ad corticem Cinchonse. — Affine est Chiodecto Meratii, 

 sed apotheciis magis discretis, necin formas dendritico-ramosas confluen- 

 tibiis(1). 



3. Ch. farinaceumFèe. — Ad Cinchonas. 



4. Ch. effusum Fée. — Ad Cinchonas. 



Ser. VI. — PYRENODEI. 



Trib. XVIII. — PYRENOC ARPEI. 

 Terrucaria Pers., Nyl. 



1. V . chlorotica Ach., Nyl. — In Peruvia, ad saxa schistosa, Wed d. 

 — Auctores nonnulli nomen hoc Acharianum aliis Verrucariis perperam 

 adtribuunt; typus hb. Acharii hanc exhibet. 



2. V. mastoidea Ach. (Porina mastoidea et americana Fée). — In 

 Peruvia, ad cortices. 



3. V. desquamescens Fée. — Ibidem. 



4. V. luridella Nyl. Pyrenoc. p. Al. — Ad saxa schistosa in Boli- 

 via, Wedd. 



5. I*. intrusa Nyl. Pyrenoc. p. A3. — Ad corticem arboris in Boli- 

 via, Wedd. 



6. V. aspistea Fée, Nyl. Pyrenoc. p. /|3, non Ach. (2). Varietas ejus 

 est Parmentaria Cinchonarum Fée Ess. suppl. p. 68. — In Peruvia ad 

 corticem Cinchonarum. 



7. F. pyrenuloides (Mnt. sub Trypethelio) Nyl. Pyrenoc. p. hh. — 

 Ad cortices in Peruvia. 



8. V. aggregata Fée, Nyl. Pyrenoc. p. hh. — Ad corticem Cincho- 

 narum. Simul forma apotheciis depressis. 



9. V. mamillanakch. Meth. p. 120, t. 3, f. 2, L. U. p. 279, Syn. 

 p. 92; V. marginataHook., Nyl. Pyrenoc. p. 45. — Ad corticem Cincho- 

 narum. 



(1) Hypochnus rubrocinctus Ehrnb. quoque in Peruvia et Bolivia ad cortices 

 obvius forte Chiodecton, sed apothecia ejus adhuc ignota sunt. 



(2) Ad V. aspisteam Fée pertinet, ex hb. Ach., V. analeptaxar. americana 

 Ach. L, U. p. 275, Syn. p. 88. 



