122 



B. Sporidia murifonu. 

 M. chrysomalla, B. & Br. Fung. Ceylon. No. 1125. 



Perithecia globose, about \ mm. diam., subcespitose, densely yel- 

 low-tomentose, with a short-cylindrical, nearly black ostiolum wliicb 

 projects but little above the yellow tomentum. Asci cylindrical, 75x 7 p.^ 

 sessile or nearly so, with abundant, evanescent paraphyses. Sporidia 

 obliquely uniseriate, oblong-elliptical, olivaceous-brown, 3-septate, with 

 occasionally one or two of the cells divided by a longitudinal sepj;um, 

 1 2-14 X 5-6 !i. 



On base of culms of Andro-pogoii iiuuricatus, Louisiaaa (Langlois). 



SUBORDER. SPHAERIACEJ;. 



Perithecia mostly with a distinct, papilliform, elongated or com- 

 pressed ostiolum, not cai'nose or membranaceo-carnose, but coriaceous, 

 woody, carbonaceous, often brittle, dark colored outside, mostly light 

 colored within, never carnose. Perithecia distinct from the stroma 

 though seated on or buried in it. 



FAMILY. CHAETOMIEJ:. 



Perithecia superficial, free, seated on a superficial mycelium, gen- 

 ei-ally with an ostiolum and an apical tuft of hairs or bristles, brown, 

 f]-agile. Asci clavate or cylindrical, 8-spored, very evanescent Spor- 

 idia continuous, brown. 



OHAETOMIUM, Kunz. & Schmidt. 



Mycologische Hefte I, p. 15. 



Perithecia superficial, free or adnate, generally seated on a super- 

 ficial mycelium and with a distinct ostiolum and an api(;al tuft of hair 

 or liristles, brown, thin-meinbranaceous. Asci club-shaped or cylindri- 

 cal, very evanescent, without paraphyses. Sporidia 1-celled and brown, 

 more or less compi-essed, or flattened. 



Oh. elatnm, Kunze Deutschl. Schwamme, No. 184. 



Conoplea aira^ Spreug. Syst IV, p. 554. 

 Chatomium lageniforme, Cda. Icones I, p. 24. 

 ChcEtominm, Fieberi, Fckl. Symb. p. 90. 

 Kxsicc. Thum.M. U. 758. — id. F. Austr. 989. — Rehm. Asc. 247. — Cke. F. Br. ist. Ser. 290. 

 Kunze F. Sel. 66.— Sydow. M. March 343.— Roum. F. G. 1428.— Rab. F. %. 529.— Ell. 

 N. A. F. 560.— Rav. Fung. Car. Ill, 66, 



Perithecia elliptical, about 400 fj. high and 320 /.i broad, with a 

 distinct ostiolum ; terminal tuft of haii'S squari-oscly branched, brown. 



