122 



B. Sporidia muriform. 

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



Perithecia globose, about J mm. diam., subeespitose, densely yel- 

 low-tomentose, with a short-cylindrical, nearly black ostiohmi which 

 projects but little above the yellow tomentum. Asci cylindrical, 75x 7 /i, 

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

 obliquely uniseriate, ol)long-elliptical, olivaceous-brown, 3-septate, with 

 occasionally one or two of the cells divided by a longitudinal septum, 

 1 2-14 x 5-6 ft. 



On base of culms of Andropogon muricatus, Louisiana (Langlois). 



SUBORDER. SPHAERIACEJ1. 



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

 pressed ostiolum, not carnose 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- 

 erally, with an ostiolum and an apical tuft of hairs or bristles, brown. 

 fragile. Asci clavate or cylindrical, 8-spored, very evanescent. Spor- 

 idia continuous, brown. 



CHAETOMIUM, Kunz. & Schmidt. 



Mycologische Hefle I, p. 15. 



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

 ficial mycelium and with a distinct ostiolum and an apical tuft of bail- 

 or bristles, brown, thin-membranaceous. Asci club-shaped or cylindri- 

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

 more or less compressed, or flattened. 



Ch. elatum, Kunze Deutschl. Schwamme, No. 184. 



Conoplea atra, Spreng. Syst IV, p. 554. 



Cluztomium lagenifoime, Cda. Icones I, p. 24. 



ChcEtomium, Fieberi, Fckl. Symb. p. 90. 

 Exsicc. Thura.M. U. 758. id. F. Austr. 989. Rehm. Asc. 247. Cke. F. Br. 1st. Ser. 290. 

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

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



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

 distinct ostiolum; terminal tuft of hairs squarrosely branched, brown, 



