Sphaeriacese, Phaeosporse, Chsetomiura. 221 



superflcialia, carbonaceo-membranacea, subfragilia, typice pilis ve- 

 stita; ostioloque breve obtuseque papillato pertuso, setis abdito in- 

 structa. Asci cito difflueutes, octospori (in Ch. hispido tetraspori 

 et in Ch. fimisedo polyspori); sporidia continua globosa, ovoidea, 

 typice fuliginea. — Species plures nimium conformes, pluresque 

 heterogenese. 



Species genuinse. 



1. Chsetomium comatum (Tode) Fr. Syst. Myc. III. 253. Sphceria co- 793 

 maia Tode, Ch. Fieberi Fuck. nec Corda. Ch, elatum Kunz. et 

 Schm. Myk. Heft. I, p. 15, t. I, f. 3. — Peritheciis gregariis, sub- 

 ovoideis, tenuissimis, atris, pilis, basi radiantibus, superne, prseci- 

 pue vertice, longissirais, erectis, ramosis, intricatis, badio-atris vel 

 badiis asperulis vestitis; ascis sessilibus, v. breve stipitatis ; oblon- 

 gatis, utrinque obtusis, 40-48^:16; sporidiis octonis, conglobatis, 

 ellipsoideo-sphaeroideis, utrinque apiculatis, fuscis, 10-12 ^ 8-9, le- 

 nissime compressis. — Status conidicus est Sporodum conopleoi- 

 des (Fr.) Corda, sec. Fuck., sed Zopf non confirmat. 



Hab. supra culmos putrescentes graminum, praeprimis Seca- 

 lis cerealis, nec non caules et ligna in tota Europa et Ame- 

 rica bor. — Sec. Fries Ch. comatum et Ch. elatum duas species 

 sistunt sed discrimina ab aetate pendent. — Var. helicotrichum Sacc. 

 a typo setis sursum circinatis recedit quo charactere ad Ch. mu- 

 rorum Corda vergit. In fimo vaccino in Italia (Mich. I, 222). 



2. Chaetomium lageniforme Corda Ic. fung. I, 24, t. VII, fig. 293. — 794 

 Gregarium, olivaceum ; perithecio raedio constricto semipelhicido, 

 pilis longis rigidis ramosis, concoloribus, pulverulentis tecto, rarais 

 patentibus subulatis, acutissimis; sporidiis numerosis primura pel- 

 lucidis albis, dein olivaceis, ovatis utrinque apiculatis, raycelio spurio. 



Hab, incharta irapressa putrida Reichenberg (Gerraania). 

 — Sec. Zopf est forma Ch. comaii. 



3. ChtEtomium atrum Link. Spec. I, 46, Sacc. Mich. II, p. 55. — Pe- 795 

 ritheciis dense gregaris globulosis 1 mill. diara., aterrimis, dein 

 superne glabratis, ,nitidulisque, pilis longissimis maxirae tortuosis 

 subsiraplicibus, 6-7 raicr. cr. fuscis vestitis et circuradatis; spori- 

 diis liraoniiforraibus, 12^^9-10, pkiriguttulatis, violaceo-fuscis ; 

 ascis (sec. Tul.) ovato-leuceolatis, stipitatis. 



Hab. in lignis putridis in Gallia et Gerraania. — Sec. Zopf 

 Entw. Chaet. p. 83. est forma Ch. comati, sed mihi satis diver- 

 sura videtur. 



4. Chaetomium pannosum Wallr. Fl. crypt. n. 1814, Zopf Entw. Chaet. 796 



