Pyrenomycetse, Sphflerincege, Pha?ospor?e, Stilhohypoxylon. 633 



Hab. in culmis Bambusoe, Colon. Ijuhy Rio Grande do Sul 

 Brasilise. — Peritheciis deficientibus, species omnino dubia, 



4. Thamnomyces. 



35. Xylaria trichopoda Penz, et Sacc. in Malpighia 1901, p. 226, Ic. 2129 

 £ung. Jav. t. XXII, f. 4. — Sparsa v. subgregaria; stromate ere- 

 cto, anguste cylindraceo, simplici vel parce dichotomo-ramoso, ni- 

 gerrimo, 3-5 cm. longo, basi 1-1,5 mm. cr., sursum conspicue 

 attenuato, acuto, glabro, basim versus strigoso-hispido, filamentis 

 aterrimis, 1 mm. long., ex hyphis conglutinatis compositis; peri- 

 theciis liberis, globosis, insequaliter per totam fere stromatis lon- 

 gitudinem insertis, 0,7-1 mm. diam., intermixtis minoribus, minute 

 sed distincte papillatis, carbonaceis, uigris; ascis cylindraceis, apice 

 obtusulis, octosporis, longe stipitatis 150-160^5; stipite partem 

 sporiferam suba?quante; sporidiis oblique monostichis, fusoideo- 

 navicularibus, utrinque obtusulis, 12-13,5 « 5, fuligineis. 



Hab. ad corticem arborum, Tijbodas, in insula Java (M. Flei- 

 scher). — Forte affinis X. hispidissimce, sed certe diversa. 



36. Xylaria rostrata (Mont.) Sacc. — Syll. I p. 344. — var. tenuior 2]3 ° 

 P. Henn. F. Amaz. II, p. 263 (Hedw. 1904). — Stromatibus multo 

 tenuioribus, vulgo tantum basi ramosis, ca. 20 cm. long., ramis 

 vix 1 mm. cr. ; peritheciis minutis breviter rostratis, raro erostra- 

 tis; sporidiis oblongo-navicularibus, 6-8^3-3,5. 



Hab. ad truncos putres, typus in Rio Jurua, Jurua-Miry et var. 

 in Rio Negro, Manaos Brasili[e. — Observante cl. Hennings 1. c, 

 cui assentior, genus Thamnomyces Ehrenb. cum typica specie Th. 

 Chamissonis et Th. camerunensi est servandum. Thamn. rostratus 

 ob perithecia rostellata et habitum scopiformem ut Thamnomycetis 

 sectio propria {Scopimyces P. Hennings) considerari potest. Revisio 

 critica 'generis vere exoptata. 



37. Xylaria camerunensis P. Henn. in Engl. Bot. Jahrb. 1901, p. 41. 2131 

 Ita vocandus Thamnomyces Chamissonis Ehr. var. camerunensis P. 

 Henn. — Syll. XI, p. 285 sub Xylaria. 



STILBOHYPOXYLON P. Henn. Fungi blumenavienses II, in Hedw. 

 1902, p. 16 (Etym. Stilbum et Hypoxylon). — Stroma subcarbo- 

 naceum, atrum, hypoxyloideum, subglobosum. Perithecia pauca, 

 immersa, membranacea, pallida. Asci cylindracei immaturi. Stroma 

 conidiophorum liberum v. stromate ascophoro insertum, subulatum 



