FUNGI. 



135 



Al 



FIG. 44. 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 contains rudimentary asci) ; (6) 

 piece of gonidiophore ; () sterigma ; (If) spore. D. Branched gonidio- 

 phore of penicillium glaucum bearing spores. E, F. Saccharomyces 

 cerevisife, cells are budding. G. Ditto, formation of endospores (after 

 Hansen). 



