De Bary, “Champignons Parasites,” in “Ann. des Sci. Nat.” 4me sér. vol. xx.
Berkeley, “On the Potato Murrain,” in “Journ. of Hort. Soc. of London,” vol. i. (1846), p. 9.
De Bary, “On Mildew and Fermentation,” p. 25, reprinted from “German Quarterly Magazine,” 1872; De Bary, “Morphologie und Physiologie der Pilze,” (1866), 201.
Cooke, “Handbook of British Fungi,” vol. ii. p. 552.
De Bary, “On Mildew and Fermentation,” in “Quarterly German Magazine,” for 1872.