194 A Monograph of the ^Myxogastres. 



Trichia furcata, Wigand, No. 4 (1863). 

 Arcyria elongata, Bong. Herb. 



* Bands with minute depressions on the surface. 

 Trichia affinis, De Bary. 



Sporangia clustered, circular or elliptical, sessile on a broad 

 base, seated on a distinct hypothallus, clear pale yellow ; mass 

 of elaters and spores pale yellow; elaters cylindrical, 4 6 fi 

 thick, ending in short, tapering, smooth tips, spirals thin, rather 

 close, not prominent, sometimes with short spinules; spores 

 globose, with broad, slightly raised flat bands combined into a 

 network, or sometimes with free ends, surface of bands pitted, 

 10 14 p. diameter. 



Trichia affinis, Host., Mon., p. 257, f. 241 ; Cke., Myx. Brit, 

 f. 241 ; Schroeter, p. 113; Sacc., Syll., n. 1499 (?); Mass., Mon. 

 Trich., p. 20, f. 7. 



On wood, twigs, moss, &c. Britain (Epping, Brandon, 

 Scarboro', Castle Howard, Yorks ; Carlisle, Appin, N. B.) ; 

 Europe ; United States ; Cuba ; Australia ; Tasmania. 



Superficially resembling T. chrysosperma, distinguished by the 

 presence of pits on the raised bands of the epispore, and the 

 absence of raised ridges running parallel to the long axis of 

 the elater. 



Trichia superba, Mass. 



Botryoid, rarely . simple. Sporangia broadly obovate, pale 

 yellow, common stem more or less wrinkled longitudinally, 

 often twisted, colour of the sporangium above, becoming orange 

 downwards, springing from a well-developed hypothallus ; mass 

 of capillitium and spores deep yellow ; elaters simple, cylindrical, 

 9 11 fx thick, with abruptly tapering, smooth, short ends, often 

 more or less bent, spirals close, thin, but little prominent; 

 spores globose, with raised flat bands combined into a polygonal 

 network; bands with a row of minute depressions, 17 20 f* 

 diameter. 



Trichia superba, Mass., Rev. Trich., p. 345 f. 6. 



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