MOULDS AND YEASTS. 167 
(4) Drop a little alcohol upon it to remove the 
air from the hyphe. 
Fic. 97.—Penicillium crustaceum : a, conidia with myce- 
lium; 6, conidia cluster; ¢, sterigma; d@, conidia (after 
Jelliffe), 
(c) Treat again with water. 
(2) Stain in methylene-blue. 
(e) Mount in glycerin or glycerin-jelly. 
