Sphaerioideae, Pliaeosporae, Chsetomella. 321 



1. Hypocenia obtusa B. et C. North Am. Fnng. n. 123^'^ — Peri- 1804 

 theciis erumpentibus, singulis binisve sociatis. epidermide basi cin- 

 ctis, obtusissimis; contextu celluloso, deuso, intus pallido, semior- 

 biculari; loculo in basi perithecii conformi; sporulis breve iusoi- 

 deis, 20 ::; 4, endocJiromate utrinque retracto, pallide rubido-bru- 

 neis. 



Uab. in raniis arborum in Carolina inferiore et Pensjlvania 

 America^ borealis. 



LEVIEUXIA Fr. Fungi Natal. p. 32 et Summa p. A\o (Etjm. a cl. 

 mycol. galJ. Levvrax). — Perithecia liberata, verticalia, stipitato- 

 clavata, carbonacea, rigida, astoma, .superne demum rimose-dif- 

 fracta, frustulatim decidua. Sporulte sporophoris pedicellatse, opacse 

 (ut iiuUa septa conspicua) in discum, demum pulverulentum, sti- 

 pata.\ 



1. Levieuxia natalensis Fr. Fungi Natal. p. 32. — Peritheciis oblon- ^gQ^ 

 gis basi in stipitem constrictis glabris, atris, catervatim nascenti- 

 bus; disco plauo convexo. 



Hab. '\\\ corticibus promont. Natal (Wahlknbeug). 



CH^TOMELLA Fuck. Symb. p. 402 {VMm. a Chcelomio, quod habitu 

 imitatur). — Perithecia superficialia v. brevissime pedicellata, asto- 

 raa, ubique sparse setosa. Sporula^ basidiorum simplicium v. ra- 

 inosorum apicibus, simplices, cylindracese vel subfusiformes, sub- 

 curvatre, tjpice colorata\ — Plures species (Melocha^(a), hic enu- 

 raerat» mihique ignotae, hyalosporse sunt; hinc forte ad Pyreno- 

 <:ha3ta7n v. affine genus spectare posscnt. 



I. En-Chcjelomella: sporulis olivaceis. 



1. Chaetomella atra Fuck. Symb. Myc p. 402. — Peritheciis superfi- 



cialibus, atro-olivaceis, globosis, dein umbilicatis v. subcupularibus, 



setosis, astomis, contextu distincte radiatira parenchymatico, vire- 



scente-olivaceo ; setis paucis, strictis, parce septatis, 110=; 8; spo- 



rulis copiosissimis, cylindraceo-fusoideis, 12-15^-2-3, minute 2- 



guttulatis, olivaceis; basidiis filiformibus nonnumquam usque 60 =; 



1 suffultis. 



Hab. in culmis, foliis vaginisque Phragmitis, Caricis, A- 



rundinis, Maydis in Germauia, Gallia, Italia. — Var, lignico- 



la Sacc. Mich. I. p. 97: peritheciis denium cupularibus, caeterum 



typo similibus; sporulis fusiformibus v. subclavulatis, 12-15 i;2Vo, 



21 



1806 



