Io6 MYCOLOGY 



Buchanan, Estjcljle D., and Buchanan, Robert E.: Household Bacleriology, 



1914: 66-72. 

 DE Bary, a.: Comparative Morphology and Biology of the Fungi and Bacteria, 



1887: 144-160. 

 Engler, a. and Gilg, Ernst.: Syllabus der Pflanzenfamilien, 7th Edition, 191 2: 



37-38- 

 GoRTNER, Ross A. and Blakeslee, A. F.: Observations on the Toxin of Rhizopus 



nigricans. American Journal of Physiology, xxxiv: 354-367, July, 1914. 

 JOKGENSEN, ALFRED: Microorganisms and Fermentation, 3d Edition, 1900: 97- 



Reene, Mary L.: Cytological Studies of the Zygospores of Spordinia grandis. 

 Annals of Botany, xxxviii: 455, 1914. 



Klocker, Alb.: Fermentation Organisms, 1903: 170-186. 



Laear, Franz: Technical Mycology, II, part i: 1-30, 1903. 



Lendner, Ale.: Les Mucorinfies de la Suisse. Materiaux pour la Flore Crypto- 

 gamique Suisse III, Ease, i: 1-177, 1908. 



SCHROTEE, J.: Mucorin6ae, Die naturlichen Pflanzenfamilien, I, Teil i. Abt. 119- 

 142, 1897. 



Stevens, F. L.: The Fungi which Cause Plant Disease, 1913: 101-108. 



Swingle, Deane B.: Formation of the Spores in the Sporangia of Rhizopus nigri- 

 cans and of Phycomyces nitens. Bureau of Plant Industry No. 37, 1903 with 

 6 plates. 



Underwood, Lucien M.: Moulds, Mildews and Mushrooms, 1899: 24-28. 



von Tavel, F.: Vergleichende Morphologic der Pilze, 1892: 25-40. 



Wettstein, Richard R. von: Handbuch der systematischen Botanik, 191 1: 160- 

 164. 



