PARASITIC FUNGI AND MOULDS. 55 
- spores, which are continually detached (Fig. 26). The 
Fig. 26.—Trichophyton tonsurans on the epidermic layers of a patch of circinnate 
herpes: a, spores; b, mycelium with long articulations; c, mycelium witb short 
articulations (x 400 diam.). 
mycelium is often ramified, and penetrates within the 
epidermic cells, especially at 
the base of the hairs. 
It is probably that the 
parasitic Sycosis which affects ¢ 
the beard, and _  circinnate 
herpes, two other skin-diseases, _ as 
Se at : Fig. 27.—Spores and filaments of 
are only varieties of the same eee Baminaing os 
disease. In fact, Cornil and 
Ranvier have ascertained that if Trichophyton is in- 
serted in the glabrous chin of a child, it will produce 
