236 E. A. Vainio, Pyrenocarpeae. 



(Ach.) thallo verruculoso, verruculis minutissimis aut parce sore- 

 dioideis ab ea differt. 



Obs. 1. Lepraria chlorina Ach., Lich. Suec. Prodr. (1798) p. 7 

 {Lichen chlorinus Ach. 1. c. p. 6), Lich. Univ. (1810) p. 662, Syn. Lich. 

 (1814) p. 330 (Pulveraria chlorina Ach. Meth. Lich., 1803, p. 1, Floerk. 

 1. c. p. 9, Lepra Schaer. Lich. Helv. Spic. p. 2, 208, Lich. Helv. Exs., 

 1823, n. 2 sec. cit.), sec. specim. orig. in herb. Ach. spectat ad statum 

 sterilem, thallo bene evoluto crassoque instructum Calicii corynelli Ach. 

 (Lich. Suec. Prodr. p. 85). 



Obs. 2. Lichen latebramm Ach., Lich. Suec. Prodr. (1798) p. 7 

 (Lepraria latebrarum Ach. 1. c, Syn. Lich. 1814, p. 331, Pulveraria late- 

 bramm Ach. Meth. Lich., 1803, p. 2), tantum sterilis adhuc cognitus, 

 ad Crocyniam (Ach.) Mass. verisimiliter pertinet, thallo ei omnino con- 

 gruens, et sub Cr. latebrarum describetur. 



Obs. 3. Lichen membranaceus Dicks. Fasc. PI. Cr. II (1790) p. 

 21, tab. VI f. 1 (Parmelia caperata /?. membranacea Schaer. Lich. Helv. 

 Exs. XVI, 1840, n. 378, Lich. Helv. Spic. X, 1840, p. 471, Enum. Lich. 

 Eur., 1850, p. 35, Leproloma membranaceum Vain. Lich. Cauc, 1899, p. 

 293, Lichen lanuginosus Ach. Lich. Suec. Prodr., 1798, p. 120, haud 

 Hoffm. Enum. Lich., 1784, p. 82, tab. X f. 4, Craterolechia lanuginosa 

 Mass. Esam. Comp., 1860, p. 11, Leproloma lanuginosum Nyl. Fl. 1883 

 p. 107, Crocynia lanuginosa Hue Lich. Gen. Croc, 1909, p. 229), ut 

 indicat Hue I.e., Crocyniis sit proxime affinis, sed tantum sterilis visus. 

 Sub Crocyniis describetur. 



4. Cystocoleus Thwaites 



Ann. Mag. Nat. Hist. 2 ser. Ill (1849) p. 241, tab. VIII B f. 1—3; 

 Van Tiegh. Trait. Bot. II (1891) p. 1160, 1172. 



Fila byssoidea, laxe contexta, effusa, ramosa, nigra 

 formans, hyphis tenuibus, olivaceo-aureis, irregulariter supra 

 cellulas algae, ad Trentepohliam pertinentis, repentibus. 

 Fructificationes incognitae. Hyphae verisimiliter ad Hypho- 

 mycetes pertinentes. 



1. C. ebeneus (Dillw.) Thwaites 



1. c; Hariot Not. Trentepohlia (Journ. de Bot. 1890) p. 47. 

 Conferva ebenea Dillw. Conf. (1809) p. 60, tab. 101. Chroolepus ebeneus 

 Ag. Syst. (1814) p. 36. Coenogonium ebeneum A. Smith Mon. Brit. 

 Lich. II (1911) p. 3, tab. 2. 



Exs. Zwackh Lich. Exs. (1886) n. 907 A (in herb. Nyl.). 



