490 Pyrenomycetfie, SphaenacesB, Phseosporae, CUjBtomium. 



p 417. — Peritheciis gregariis, innatis, depresso-globosis, membra- 

 naceis, ^/-^/^ mm. diam , rostro atro erumpenti clrciter 1 mm. 

 longo donatis, obtusis, apice in discum minutum horizontalem cir- 

 cularem expansis, basi late tomentoso-pilosis e pilis dilute luteis; 

 ascis cylindraceis, breve stipitatis, 65-75 ^ 6-7, parapbysibua graci- 

 libus; sporidiis monostichis, navicularibus, biguttulatis, 12-15 « 5-6. 

 hyaUnis, dein opacis et subatris. 



Hah. in hgno putrido, Ohio Amer. bor. (Morgan) 



4. Ceratostoma biparasiticum Ell. et Ev. Bull. Torr. Bot. Cl. 1897, 1849 

 p. 127. — Peritheciis ovatis, 80-100 ^. diam. evoiutis in subiculo 

 mucedineo albo ex hyphis laxe intricatis hyaJinis circiter 8 ^j. 

 crassis, partem inferiorem stipitis Isariie formantibus conidiaqne 

 subglobosa hyahna 2^1^/^u. metientia jjerentibus composito; ro- 

 stro peritheciorum griseolo-brunneo, fib^oso, ca. 1 mm. longo, 35- 

 40 [j.. crasso; ascis clavato-lanceolatis, p. sp. 20 « 6, breve stipitatis, 

 octosporis, paraph^^satis (?) ; sporidiis fasciculatis. oblongo-cylindra- 

 ceis, oUvaceis, 6-12 « 1 '/j. 



Hdb. parasiticum in stipite IsarisR farinoaae, Ohio Amer. 

 bor. (Lloyd). 



CH>ETOMIUM Kunze — Syli. I, p. 220, IX, p. 484, XI, p. 279. 



1. ChaBtomium varium Delacr. BuU. Soc. Mycol. de France, XIII, 1950 

 1897, p. 124, tab. X, fig. F. — Peritheciis variis, interdum sub- 

 rotundis, aUis elongatis v. basi truncatis, atris, astomis, densiu 

 scule aggregatis, circiter 200 «150 fz., mycelio brunneo, septato, ra- 

 mcso, usque 6 a. lato ; setis brnnneoUs, apice obtusatis, plerumque 

 continuis, 250-300 |U., simpUcibus; ascis aparaphysatis, breviuscule 

 clavatis, cito dilabentibus, 45 5:« 11 ; sporidiis ovoideis, utrinque 

 obtuse attenuatis, episporio crassiore, uni-vel saepius biguttulatis, 



in asco hyaUnis, sed Uberis maturisque dUute brunneis, 9^6. 



Hab. in cuhno graminis cujusdam in regione fluminis Guana- 

 paro Venezuelae (Geay). — Ch. lanoso Peck et Ch. comato (Tode) 

 Fr. affine. 



2. Chaetomium Bartholomsei Sacc. et Syd. ChoeUmium setosum Ell. issi 

 et Ev. Americ. Natur. 1897, p. 340, nec "Wint. — Peritheciis primo 

 ovatis V. ovato-conicis v. etiam cyUndraceo-conicis, dein obovatis, 

 superne applanatis, basi contractis ideoque pseudostipitatjs, 400- 

 500 ^. altis, piUs erectis levibus atris, 150-200 u. longis et basi 

 5-6 u. crassis, apice acutis non ramosis vestitis ; rayceUo ex hyphis 

 reticulatis asperis, circa basim piUs brunneisi anbuudulatis brevibus 



