Discomyceteap, Dermateno, DidymospopiO, Cenangella. 587 



clavatis, dehisceritibu.s, octosporis; sporidiis cylindraceis, guttulatis; 

 paraphysibiis filiforinibus, superne ratnosis. 



Hab. in cortice vivo Fagi, Finist^re GalliaB. 



Scct. 2. PhsBOSporso Sacc. 



HYMENOBOLUS Mont. Ann. Sc. Nat. 3. IV, p. 350 (1845). Syll. Crypt. 

 p. 1!)1 [Elyni. lii/yncnium et ballo ejicio). — Ascoma erumpens, 

 coriaceum, fusco-atrum, primum clausum, dein ore lacero subcon- 

 nivente ruptum. Hymeuium concolor, ceraceura, atro-pulverulentum, 

 tandem prorsus olabens. Asci tubulosi, octospori, denique elastice 

 dissilientes. Sporidia continua, oblonga, fuliginea. Paraphyses fili- 

 formes. — Genus hinc Phacidteis, illinc Ascoboieis affine, quoad 

 locum adhuc dubium. 



1. Hymenobolus Agaves Dur. et Mont. Cent. V, n. 90, et Fl. Alg. 24:^1 

 ined., Atlas, t. 28, f. 2. — Characteribus iisdem ac generis; ascis 



' cylindricis, p. s. 100-120=; 8-9 apice, tunica integra, obtusiusculis, 

 breve sensira stipitatis, paraphysibiis bacillaribus hyalinis obvallatis 

 octosporis; sporidiis oblique monostichis, oblongo-ellipsoideis, 15-17 

 -8, fuligineis, guttuld crassA pallidiore f(jetis. 



Ifab. sub epidermide foliorura Agaves americanae emor- 

 tuorum in collibus Babel-Oued et Alger Africae sept. (Durieu et 

 Trabut). — Innato-erumpens. Cupulae sparsae aut seriatae, sub 

 epidermide rimosa foliorura enatae, e cortice tandera erurapentes, 

 primitus clausac, sessiles, extus intusque fuscae, subtus planiusculae 

 adnata), demutn apertae 2-4 ram. latre, semimillimetrum in medio 

 crassae, coriaceiie, siccae fragiies, acute raarginat», ore inflexo, laci- 

 niis epidermidis stellatim rupta» patentibus aut strictis cinctae. 



Secl. 3. Didymosporse Sacc. 



^ENANGELLA Sacc. Consp. gen. Disc. p. 9 (1884), Rehm Disc. 229 

 I (Etyro. derain. a Cenangio). — Ascomata erurapenti-superficialia, 

 subinde basi crassa substipitata, ex urceolato patellata, coriacea, 

 rarius subcornoa, brunnea vel atra, sicca vario contorta. Asci elon- 

 gati V. clavati, 4-8-1 6-spori, parauhysati. Sporidia oblonga v. fu- 

 soidea, 1-septata, subhyalina, rarius colorata. — Niptera Rhododen- 

 dri (Ces.) De Not. (supra n. 1997). [^Pcziza Ces. Bot. Zeit. 1854. 

 p. 18(1,= Velutaria Rehm Ascom. n. 253], praeeunte ipso Rehm Disc. 

 p. 230, potius Oenangellce speciera sistit. 



