Pyreiiomyceti^, Spbariaceae, PhseophragTnife, Melanotnma. 573 



Hab. in vagmis foliorum Arundinari te tectae, Auburn, 

 Alabama Amer. bor. 

 4. ChaetosphaBrJa Silva-nigra Penz. et Sacc= Malpighia XI, 1897, sioo 

 p. 400. — Subiculo late effuso, dense velutino, fuiigineo-nigro: 

 hypbis intricatis, adscendentibus, repetito vage ramosis, 5 p. cras- 

 sis, aterrimis, obscure septatis, ramulis ultimis brevibus, curvulis, 

 patulis; peritbeciis interseminatis, villo omnino absconditis, raro 

 tandem subnudatis, globosis, 200-250 p. diam., in ostiolum tereti- 

 conicum, 80-100 //.. long. attenuatis; asois fusoideis, apico obtusis, 

 subsessilibus, 45-66 ^»* 9-10, aparaphysatis (?), 8-sporis; sporidiis 

 distichis, fusoideis, rectiuscuiis, 18 « 4, utrinque acutiusculis, 3-se- 

 ptatis, non constrictis, subhyalinis, acervatis stramineis. 

 Hal). intra et extra culmos emortuos Bambusfie, Java. 



MELANOMMA Nits. et Fuck. — Syll. IT, p. 98, IX, p. 801, XI, p. 327. 



1. Melanomma Pulvis-pyrius (Pers.) Fckl.-Sacc. SylL IT, p. 98, — 2197 

 f. Ulmi Lamb). Rpv. Mycoi. 1897, p. 54. — Peritheciis superficia- 

 libus, ovoideis, papillatis; ascis late ciavatis; sporidiis cumulatis v. 

 subdistichis, olivaoeis, transverse 3-7-septatis, in longitudine uni- 

 septatis, ovalibus, 19-22 « 6-8. 



Hab. in cortice emortuo U 1 m i in Gallia. 



2. Melanomma subcongruum EU. et Ev. Proc. Acad. Philad. 1895, 2198 

 p. 417. — Peritheciis gregariis v. erumpenti-superiicialibus basi 

 plus minusve cortice immersis, ovatis, intus schistaceis atque mu- 

 riculato-asperis, '/-."V^ interdum etiam 1 mm. diam., ostiolo conico 

 perforato nigro nitenteque donatis ; ascis clavato - cylindraceis , 

 150-190^12*14, p. spor. 114-120 p. longa, octosporis, paraphy- 

 sibus numerosis fiiiformibus obvallatis; sporidiis oblique nionosti- 

 chis, oblongis, deorsam paululum attenuatis, ohtusis^ leniter cur- 

 vulis, 3-5~septatis, ad septa leniter constrictis, pallide brunneis. 



Hah. in cortice Populi moniliferae, Kansas Amer. bor. 

 (BartholomewV — M. medio et jumperino affine, sed differt pe- 

 ritheciis muUo majoribus, ascis longioribus et sporidiis 3-5-septatis. 



3. Melanommaccupulatum Eli. et Ev. Bull. Torr. Bot. Cl. 1897, p. 128. 2199 

 — Peritliecus sparsis v, gregariis superfioialibus, brunneo-nigris, 

 membranaceis, piiis brevibus, 20-40 « 2 nietientibus, continuis, sub- 

 undulatis, brunneis vestitis, tandem supra collabascentibus ideoque 

 cupulatis, ostiolo papilliformi donatis, saepe subiculo tomentoso oli- 

 vaceo-nigro ex hyphis ramosis brunneis soptatissimis formato in- 

 sidentibus; ascis clavato-cylindraceis, 45-60^8; paraphysibus in- 



