250 FUNGUS-FLORA. 



monilioides ; disc closed at first then almost plane, marginate, 

 rather fleshy and waxy, 12 rum. across, stem 1-2 mm. long, 

 often slightly curved, everywhere smooth and pale ochraceeus, 

 or the disc a little darker ; excipulum parenchymatous, cells 

 small and much elongated in a direction parallel to the 

 surface, running out at the margin into slender, parallel 

 hyphae ; asci narrowly clavate, apex slightly narrowed and 

 truncate, pedicel elongated, slender, 8-spored ; spores 

 obliquely 1-seriate, or 2-seriate near the apex, hyaline, 

 smooth, cylindric-fusiform, ends blunt, 2-guttulate then 1- 

 septate, 11-13 x 4yu.; paraphyses hyaline, slender, slightly 

 clavate. 



Hymenoscyplia monilifera, Phil., Brit. Disc , p. 130. 



Bisporella monilifera, Sacc., SylL, viii. n. 1988. 



Conidial condition. Forming a thin, slightly powdery, 

 blackish-brown effused layer ; hyphae or conidiophores 

 short, somewhat conical ; conidia barrel-shaped, with 1 thick 

 transverse septum, not constricted, 2-guttulate, sooty-brown, 

 20-22 x 6-7 p.. 



Bispora monilioides, Corda, Icon. Fung., i. p. 9, t. xii., 

 f. 143 ; Fung. Flor., vol. iii., p. 389, fig. 37, on p. 358.- 



On hard wood, the cut ends of trunks and stumps, 

 especially oak and beech. 



Fuckel founded a new genus Bispora from the present 

 species, on account of its conidial form being what was 

 previously known as Bispora monilioides. This name was 

 changed by Saccardo to Bisporella, without any specific 

 reason. The structure of the ascophore is in absolute agree- 

 ment with that of Helotium, and it appears unnecessary to 

 constitute a new genus on the strength of what is in reality 

 only an assumed relationship between the ascigerous condition 

 and Bispora. 



Helotium Carmichaelii. Mass. 



Scattered or caespitose, stipitate, concave then plane and 

 slightly margined, eventually slightly concave and iruniar- 

 ginate, up to I. 1 , mm. across; disc blackish-brown when dry; 

 externally paler, glabrous ; excipulum parenchymatous, cells 

 irregular, small, running out into densely packed, parallel, 

 septate hyphae at the margin, stein l|-2 mm. long, slender, 

 often slightly curved, brown, slightly thickened and 



