326 FUXGUS-FLOKA. 



AsteropJiora, Ditm., in Sturm's Deutsclil. Fl., iii. p. 53 ; 

 Sacc, Syll., iv. p. 148. 



Shown by Brefeld to l3e the cUamydosporous state of 

 the parasitic agaric Nyctalis. 



Asterophora agaricicola. Corda. (fig. 5, p. 358.) 

 Hyphae filiform, septate, h^'aline, interwoven, sparingly 

 branched : conidia globose or broadly elliptical, stellately 

 tuberculose, rarely 2 conidia superposed, hyaline then some- 

 what dingy ochraceous, 18-24 //. 



Asterophora agaricicola, Corda, Ic. Fung., yi. p. 8, f. 24; 

 Sacc, Syll, n. 770. 



On the pileus o^ Nyctalis asteropliora, of which Brefeld Las 

 proved it to be the chlamydosporous condition. 



Tribe G. Verticillieae. Sacc. 

 TEETICILLIUM. Xees. (fig. 9, p. 274.) 



Vegetative hyphae creeping, septate, fertile erect, with 

 more or less elongated branches that are frequently branched, 

 and arranored in a vei ticillate manner : conidia solitary at 

 the tips of the branchlets, colourless or coloured, simple or 

 septate. 



VerticiUium, Xees, Syst. der Pilze, p. 57 ; Sacc, Syll., iv. 

 p. 150. 



In most species both primary and secondary branches are 

 arranged in a verticillate manner, and the secondar}^ branches 

 arc thickened at the base, tapering towards the tip bearing 

 the conidium. 



A. Eu-VerticiUium, 



Branches almost straight ; heads of conidia not involved 

 in mucus. 



* WJdtisJi. 



VerticiUium candelabrum. Bon. 

 Tufts white, at first minute, then often growing into each 

 other, velvety, fertile hyphae erect, septate, primary branches 

 few, scattered, shorter towards top of main stem, ultimate 



