BOLACOTEICHA — MYXOTRICHUM. 383 



Dematium vinosum. Mass. 



Forming broadly extended patches of a chocolate colour. 

 Sterile hyphae creeping, colourless, septate, bearing here and 

 there erect, branched, septate conidiophores ; conidia con- 

 catenate, terminal on the conidiophores, shortly cylindrical, 

 ends truncate (barrel-shaped), vinous brown, 10-12 x 8 yu,. 



Dematium vinosum, Massee, Grevillea, vol. xxi. p. 7, pi. 182, 

 f. 7. 



On damp, gummed paper. Commencing as pure white, 

 waxy -looking j^atches ; the conidia are fully formed and full 

 sized before they become tinged with colour. 



Tribe 9. Myxofricliea, Sacc. 

 BOLACOTEICHA. B. & Br. (figs. 41, 42, p. 358.) 



Sterile hyphae more or less erect, simple, septate, some- 

 what circinate or curved at the tips ; conidia clustered into 

 small heaps, and held together by mucus, subglobose, hyaline, 

 shortly pedicellate. 



Bolacotricha, B. & Br., Ann. Nat. Bist., n. 506 ; Sacc, Syll., 

 iv. p. 316. 



The sterile hyphae stand up above the mass of spores, and 

 are more or less curled at the tips. 



Bolacotricha grisea. B. & Br. (figs. 41, 42, p. 358.) 

 Tufts pulvinate, effused, grey ; sterile hyphae flexuous, 

 simple, equal or thickest downward, sparingly septate, pale 

 rufous, apex more or less spirally incurved ; conidia crowded 

 into giomerules, globose, granular within, 5-8 times the 

 diameter of the hyphae. 



Bolacotricha grisea, B. & Br., Ann. Nat. Hist., n. 506, t. v. 

 f. 4 ; Sacc, Syll., iv. n. 1534. 



On rotten cabbage stalks, rotten sacking, &c. 



MYXOTEICHUM. Kunze. (figs. 32, 33, p. 358.) 



Sterile hyphae naked above, straight or circinate, very 

 much branched below, dark-coloured ; conidia variously 



