150 FUNGI: NON-PATHOGENIC AND PATHOGENIC. 



number of spores, to which the special name of ascospores is 

 applied. 



Perisporiaceae: (i) Aspergillus Niger (vide Fig.. 61, C). - 

 This, with other varieties of the same group is* of frequent 



FlG. 61. A. Mucor mucedo; (i), (2), (3) stages in formation of a zygospore; (4) a 

 sporangium containing spores. B. Oidium lactis. C. Aspergillus glaucus (De Bary) ; 

 (i) mycelium; (2) and (5) gonidiophore bearing spores ; (3), (4) a perithecium (4 con- 

 tains rudimentary asci) ; (6) piece of gonidiophore; (a) sterigma; (b} spore. D. 

 Branched gonidiophore of penicillium glaucum bearing spores. E, F. Saccharomyces 

 cerevisise, cells are budding. G. Ditto, formation of endospores (after Hansen). 



