SPOROTRICHEAE 



807 



variable in number, irregularly borne, pyriform, rarely on a sterigma, 1-2/x 

 long by 0.5/x, in diameter. Spores become ovoid and brown, 3-5 x 2-4/a. Opti- 

 mum temperature 22°-30° C, growth slow at 37° C. 



Colonies on Blanchetiere & Gougerot medium (carbohydrate 30 gm., pep- 

 tone 10 gm., water 1,000 c.c.) at 22°-25° C, are confluent, white at first, rapidly 



Fig. 122. — Sporotrichum Schenki var. Beurmanni. 1, 2, germinating spores ; S, l), 15, SO, 

 oldla on various media ; i, intercalary chlamydospore ; 5, yeastlike cells ; 6, young filament ; 7, 

 terminal chlamydospore ; 8-lS, 16, IS, 2Z-Zi, conidia showing: variation in arrangement on hyphae 

 in various media ; n, 19-21, mycelium with chlamydospores on various media. (After Moore 

 1934.) 



