22 GRAPHIDEÆ FEEANÆ. 
specim. orig. Friesn, et ex hb. Hamp.) et in Texas : E. Hall (a cl. Willey benevole 
communic.). 
6. Melaspilea (s. EUMELASPILEA) Esenbeckiana Nyl. Enum. gén. p. 134; 
Melanotheca Esenbeckiana Fée Suppl. p. 74: omnia ut in M. Graphidis, sed apothecia 
ambitu irregulariter orbicularia, ampliora et sporæ ambitu paullo longiores, minus 
æqualiter biloculares, loculus inferior distincte angustior. — Ad corticem Exostem- 
matis in St-Domingo (ad specim. Féean.). 
7. Melaspilea (s. EUMELASPILEA) eicatrisans Müll. Arg.; Opegrapha cica- 
trisans Ach. Syn. p. 78; thallus tenuissimus, lævis, virens v. indistinctus; apothecia 
‘/,-*/, mm. longa, ‘/, mm. lata, oblongata, simplicia v. breviter bifurcata, innato- 
sessilia v. undulato-subdeplanata, nigra et opaca; margines tumidi (post casum tha- 
lamii partim persistentes et juxta fundum pallidum lineas nigras duas parallelas eff- 
cientes); hypothecium hyalinum v. demum modice obfuscatum; asci elongato-obovoidei, 
8-spori; sporæ e hyalino demum fuscæ, 21-25 4 longæ, 9-10 y latæ, 2-loculares, 
loculi æquilongi, superior latior. — Thallus tenuissime excavato-punctatus, ut ab 
illustr. Ach. describitur, non occurrit, sed corticis cellulæ delapsæ tantum sub micros- 
copio modice augente tales apparent. — Corticola in Guinea (ad specim. Ach.). 
8. Melaspilea (s. EUMELASPILEA) Zenkeriana Müll. Arg.: Melanographa 
Zenkeriana Müll. Arg. L. B. n° 859; Verrucaria aspistea Zenk. in Gœb. Waarenk. I, 
p. 195, t. 25, f. 4 (non Ach.); in meis L. B. 1. c. descripta, at addendum : apothecia 
demum margine tenui retracto late aperientia. — In cortice Bonplandiæ trifoliatæ 
(ad specim. orig. Zenk.). | 
— Quarta hujus generis est sectio Melaspileopsis Müll. Arg., omnino cum s. Eume- 
laspilea congruens, excepto perithecio basi completo. — Hujus loci est Melaspilea 
diplasiospora, sc. Opegranha diplasiospora Ny1. Prodr. Nov. Gran. p. 92. 
6. SCLEROPHYTON Eschw. Syst. Lich., p. 25, f. 8. 
Graphidis sp. Fée.; Platygraphæ sp. Nyl. — Ab Opegrapha differt sporis fuscis et a Melaspilea 
paraphysibus intricatim connexis. Sporæ Melaspileæ. 
Sclerophyton evanescens Müll. Arg.; Graphis evanescens Fée Ess. p. 35, 
t. 8, Î. 2; Platygrapha evanescens Nyl. Lich. Exot. Peruv.-Boliv. p. 230; fere omnino 
