610 Pyrenomycetse, Sphseriacese, Pheosporse, Hypoxylon. 



MICROASCUS Zuk. — Syll. IX p. 483, XI p. 279. 



1. Microascus nidicola Massee et Salm. Copr. fungi I, p. 380, f. 62- 2058 

 65. — Peritheciis nigris, glabris, carbonaceo-membranaceis, sparsis, 

 matrice subimmersis, subglobosis 360 a. diam., ostiolo brevi co- 

 nico, contextu parenchymatico densissimo e cellulis polygonis, ni- 

 gro-fuscis, plus minus opacis 8-10 ;j.. latis composito; ascis nu- 

 merosis subgelatinosis, ellipticis v. globoso-ellipticis, 10-13 « 6-8, 

 octosporis, citissime difnuentilms ; sporidiis minutis anguste sublu- 

 nulatis, utrinque acutis, lovibus, liyalinis v. stramineis 7,5-8 « 2. 



llah. in nido vetusto Bombi spec, Kew Britannise. 



2. Microascus variabilis Mass. et Salm. Copropli. fungi I, pag. 349, '~"' : ''• , 

 fig. 24. — Peritheciis gregariis, matrico subimmersis, parvulis 

 150-200 ;j.. diam., subglobosis, ostiolo minuto papilliformi v. plus 

 minus elongato, cylindraceo, interdum flexuoso, nigris, subcarbo- 

 naceis, fragilibus, contextu parenchymatico e cellulis densis, opacis, 

 distinctis. minutis, 3-5 ;j.. latis composito; perithecii parte supe- 

 riore pilis rigidis, paucis, sparsis fuligineis, interdum obsoletis in- 

 structa; ascis minutis subglobosis, subgelatinosis 7-8 ;j.. diam., citis- 

 sime diffluentibus, 8-sporis ; sporidiis crasse, interdum irregulariter, 

 lunulatis, minutis 3-3,5 ;j.. long., utrinque obtusis, levibus, dilu- 

 tissime brunneis. 



Hab. in fimo Dolichotidis patagonicae, Kew Britanniae. 



HYP0XYL0N Bull. — Syll. I p. 352, IX p. 543, XI p. 285, XIV 

 p. 509, XVI p. 445. 



1. Hypoxylon neocaledonicum Har. et Pat. Journ. de Bot. 1903. p. 14. 2060 

 — Stromate turbinato, stipitato, carbonaceo, indurato, atro, apice 

 capitato, minute sinuoso-areolato, vix nitenti, centro leniter de- 

 presso ex ostiolis prominulis papillato intus fibroso-lignoso, albido- 

 fuliginoso; pcritheciis paucis, erectis, ovoideis, atris, omnino im- 

 mersis; ascis cylindraceis, octosporis, paraphysibus imrnixtis; spo- 

 ridiis monostichis, atro-brunneis, rectis v. leniter eurvis, navicu- 

 laribus, 25-32 « 6. 



Hab. ad lignum mortuum, Coinde, Carrela Nov;e Caledoni ae 

 (Bebnier). — Afhne //. turbinato, a quo diiYert stromate apice ri- 

 moso-areolato, sporidiis longioribus. Stroma 1 cm. long., 8 mm. cr. 



2. Hypoxylon regale Morgan, Journ. of Mycol. 1904, p. 162. — Stro- '- >(l,;1 

 mate superficiali in plagulas minutas, irregulares effuso, e peri- 

 theciis connu<'iilitius omnino formato; peritheciis amplis, globosis, 

 nigris, ostiolo minute papillato; ascis cylindricis, breve stipitatis, 



