SPOROTRICHUM, 309 



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



Hyphae vaguely and repeatedly branched, with or without 

 septa, all similar and procumbent. Conidia springing from 

 the tips of branchlets or spinous processes, subsolitary, 

 elliptical or subglobose, one-celled. 



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

 Saccardoin Mich., ii. p. 16 ; Sacc., Syll., iv. p. 96. 



Distinguished from Sotrytis by all the hyphae being pro- 

 cumbent, and the subsolitary spores ; from Trichosporium by 

 never being black. 



* Whitish. 

 f Saprophytes on Plants. 



Sporotrichum 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. 



Sporotrichum laxum, Nees, Syst., p. 49, f. 45 ; Sacc., Syll., iv. 

 n. 483. 



Sporotrichum minutum, Grev., Scot. Crypt. Fl., t. 108, f. 1. 



On rotten wood and on various substances. 



ff Growing on animals. 

 (= Microsporon. Gruby.) 



Sporotrichum mentagrophytes. Bob. 



Hyphae densely interwoven ; conidia subglobose, very 

 numerous, 6-12 /* diam. 



Sporotrichum mentagrophytes, Robin., Hist. Veget. Paras. ; 

 Sacc., Syll., n. 499. 



On human hair, especially near the bulb. 



** Yellow or saffron. 



Sporotrichum flavissimum. Link. 

 Hyphae sparingly septate, vaguely branched, hyaline, 

 interwoven and forming a loose, thick, broadly effused 

 stratum, and giving off numerous short conidia-bearing 



