[o]

De Bary, “Champignons Parasites,” in “Ann. des Sci. Nat.” 4me sér. vol. xx.

[p]

Berkeley, “On the Potato Murrain,” in “Journ. of Hort. Soc. of London,” vol. i. (1846), p. 9.

[q]

De Bary, “On Mildew and Fermentation,” p. 25, reprinted from “German Quarterly Magazine,” 1872; De Bary, “Morphologie und Physiologie der Pilze,” (1866), 201.

[r]

Cooke, “Handbook of British Fungi,” vol. ii. p. 552.

[]

De Bary, “On Mildew and Fermentation,” in “Quarterly German Magazine,” for 1872.