82 i Monof/raj)/f of the Myxogastres. 



Stemonitis Friesiana, De Bary. 



Scattered or gregarious ; sporangia glohosc or aliorthj elliptical, 

 wall very thin, disappearing, whitish with a silvery sheen or 

 purjDle black ; stem hlacJc, shining, elongated, tapering ujnvards, 

 expanding at the base into a small, circular, irregularly ribbed 

 or latticed hypothallus ; columella reaching cdiout two-thirds the 

 height of the sjjorangium, then breaking up into several branches, 

 threads of capillitiuni dark brown, arcuate, forming a dense 

 net; spores in the mass blackish, violet-brown by transmitted 

 light, globose, smooth, 8 — 10 /x diameter. 



Stemonitis Friesiana, De Bary, in Rab. F. Eng., n. 568. 



Comatricha Friesiana, Rost., Mon., p. 199, figs. 51 and 56 ; 

 Cke., Myx. Brit., p. 48, figs. 51 and 56 ; Sacc, Syll, vii., 1356. 



Exsicc. — Fuckel, Fung. Rhen., n. 1446 (as Stemonitis ovata). 



On wood, branches, leaves, &c. 



Britain (Lyndhurst, Kew, Hereford, York, Carlisle, Aboyne, 

 N. B.) ; Europe ; U. States ; Ceylon ; Tasmania. 



From 3 — 5 mm. high. The threads of the capillitiuni are 

 of nearly equal thickness throughout, and sometimes studded 

 with amorphous lumps of organic matter. Distinguished by 

 the long, tapering stem, and small globose, or shortly ovate 

 sporangium. 



(Rostafinski's Synonyms.) 



Mucor emholns, Linn. Sp., 1185 (1753). 



Lycogala, Hall, 2146? (1768). 



Stemonitis reticulata, Trent, p. 223? (1797). 



Stemonitis iiigra, Pers., Gmel. Sys., 1467 (1791). 



Stemonitis atrofusca, Pers., Disp., 11 (1797). 



Stemonitis atrofusca, ^ nigra, Pers., Disp., 54 (1797). 



Stemonitis ovata, Pers., Syn., 189 (1801); Berk., Eng. FL, v., 



p. 317; Cooke, Hdbk., no. 1158. 

 Trichia mucoo^iformis, Schum., Saell., 1469 (1803). 

 Stemonitis violacea, Schum., SaelL, 1491 (1803). 

 Stemonitis nigra, Schum., Saell., 1493 (1803). 

 Stemonitis glohosa, Schum., Saell., 1494 (1803). 



