PARASITIC FUNGI AND MOULDS. 59 
The pelade fungus develops in the superficial 
horny layer of the epidermis, on the surface of the 
epidermie cells, and in their interstices. It does not 
penetrate the hair-follicles, and is only occasionally 
found on the hairs, in which case it is fastened to the 
detached pellicles of the epidermis, not to the interior 
2000 
7 8 
2 © O (©) 
a m 46 9 
20000 ©é0 
Fig. 30.—Hair affected by the Fig. 31.—Isolated spores, taken from 
rapid progress of Pelade patches of pelade: 1, 2, 3, 4, large 
décal It is surrounded spores; 5, budding spores; 6, 7. 8, 
by epidermic cells charged empty spores; 9 to 12, small spores 
with spores (x 208 diam.). (xX 1000 diam.). 
of the hair (Figs. 29, 30). It is composed entirely of 
the round spores already described, which are re- 
produced by budding (Fig. 31). 
The Fungus of Pityriasis capitis simplex—It is 
very similar to the foregoing, and is likewise seated 
