CONIOCETIIIUM. 427 



Sporodesmmm cJiartanim, B. & C, N. Amer. Fung., u. 531 ; 

 Sacc, SylL, iv. n. 2413. 

 On damj) paper. 



CONIOTHECIUM. Corda. (fig. 14, p. 397.) 



Oonidia very irregular and variable in fonn, cruciate or 

 radiately septate, several often coalescent and forming black 

 points or spots on leaves or wood. 



Coniothecium, Corda, Icon. Fung., i. p. 2 ; Sacc, Syll., iv. 

 p. 508. 



Conidia usually very variable, resembling irregular con- 

 glomerations of cells of variable size. A very badly defined 

 genus, and it is doubtful whether many of the so-called 

 species are such in reality. 



Coniothecium effusum. Corda. 



Black, broadly effused; conidia subglobose or irregular, 

 sessile, brown, semipellucid, clustered into irregular masses. 



Coniothecium effusum, Corda, Icon. Fung., i. p. 2, t. 1, f. 21 ; 

 Sacc, Syll., iv. n. 2420. 



Sporodesmium lepraria, Berk. 



On wood. 



Coniotheciura conglutinatum. Corda. 



Tufts small, black, subglobose or confluent ; conidia 

 minute, ovoid, brown, 4-5 fi diam., aggregated in clusters. 



Coniothecium conglutinatum, Corda, Icon. Fung., i. p. 2, t. 1, 

 f. 20 ; Sacc, Syll., iv. n. 2421. 



On birch wood, (fee 



Coniotheciuni amentacearum. Corda. 



Tufts pulvinate, black ; springing from a brown, fleshy, 

 lactiform stroma, conidia somewhat oblong, brown, 13-14 /x 

 diameter, clustered. 



Coniothecium amentacearum, Corda, Ic Fung., i. p. 2, t. 1, 

 f. 26; Sacc, Syll., iv. n. 2420. 



On dead branches of willow. 



Coniotlieciuin betulinum. Corda. 

 Tufts small, solitary, black, innate in the wood, at first 

 covered, then erumpent, scarcely 1 mm. in diameter ; conidia 

 black, subglobose, 4-6 /x diameter, clustered. 



