SPOEOTEIOHUM, 309 



SPOEOTEICHUM. Link, (emended), (fig. 31, p. 313.) 



Hyphae vaguely and repeatedly branciied, witli or without 

 septa, all similar and procumbent. Conidia springing from 

 the tips of branchlets or spinous processes, sulssolitary, 

 elliptical or subglobose, one-celled. 



Sporotriehum, Link., sp. pi. Fungi, i. p. 1, emended by 

 Saocardo in Mich., ii. p. 16 ; Sacc, Syll., iv. p. 96. 



Distinguished from Botrytis by all the hyphae being pro- 

 cumbent, and the subsolitary spores ; from Trichosporium by 

 never being black. 



* Whitish. 

 I Saprophytes on Plants. 



Sporotriehum laxum. Nees. 



Forming minute white spots that often eventually become 

 confluent; hyphae irregularly branched, forming lax, de- 

 pressed tnfts ; conidia minute, white, elliptic or obovate. 



Sporotriehum laxum, Nees, Syst., p. 49, f. 46 ; Sacc, Syll., iv. 

 n. 483. 



Sporotriehum minutum, Grev., Scot. Crypt. FL, t. 108, f. 1. 



On rotten wood and on various substances. 



ff Growing on animals. 

 (= Mierosporon. Gruby.) 



Sporotriehum mentagrophytes. Eob. 



Hyphae densely interwoven ; conidia subglobose, very 

 numerous, 6-12 /j, diam. 



Sporotriehum mentagrophytes, Eobin., Hist. Veget. Paras. ; 

 Sacc, SylL, n. 499. 



On human hair, especially near the bulb. 



** Yellow or saffron. 



Sporotriehum flavissimum. Link. 

 Hyphae sparingly septate, vaguely branched, hyaline, 

 interwoven and forming a loose, thick, broadly effused 

 stratum, and giving off numerous short conidia-bearing 



