TRICHOSPORIUM STACHYBOTRYS. 367 



Trichosporium fuscum. Sacc. (fig. 25, p. 358.) 

 Hyphae brownish, interwoven into a dense felt, repeatedly 



irregularly branched, septate ; branchlets somewhat acute, 



conidia elliptical, brown, 811 X 67 ft, forming lax racemes 



at the tips of the branchlets. 



Trichosporium fuscum, Sacc., Mich., ii, p. 640; Sacc., Syll., iv. 



n. 1400. 



On rotten bark of pine and other trees ; often associated 



with Hosellinia aquila. 



Trichosporium inosculans. Sacc. 



Forming a dark brown, thin, minutely velvety crust ; 

 sterile hyphae much branched, septate, interwoven ; fertile, 

 erect, forked ; conidia elliptical, smooth, brown, 6 X 4 ^t. 



Trichosporium inosculans, Sacc., Syll., iv. n. 1427. 



Sporotrichum inosculans, Berk., Eng. Flor., v. p. 346. 



On dead fungi, Thelephora, &c. 



Trichosporium murinum. Sacc. 



Aggregated in minute tufts or effused, flocculose, greenish- 

 grey then blackish-brown ; hyphae dichotomously or vaguely 

 branched, septate, olive-brown; conidia inserted near the 

 tips of the branchlets more or less spicate, ovate, 10-12 x 8 p., 

 apex rather acute, 1-guttate, olive-brown. 



Trichosporium murinum, Sacc., Fung. Ital., t. 740 ; Sacc., 

 Syll., iv. n. 1409. 



On rotten branches and on old Fistulina. 



Subsect. 2. Macronemeae. Sacc. 



Tribe 4. Periconieae. Sacc. 

 STACHYBOTKYS. Corda. (fig. 13, p. 313.) 



Fertile hyphae erect, sometimes springing from a prostrate 

 mycelium, entirely brown ; conidia forming a head at 

 the apex, subglobose or elliptical, brown, sometimes 

 (spuriously?) 1-septate, produced at the tips of short, 

 specialised conidiophores. 



Stachybotrys, Corda, Anleit, p. 57 ; Sacc., Syll., iv. p. 269. 



Characterised by the crown of specialised conidiophores at 

 the apex of the erect fertile hyphae. 



