OOMVCETALES II9 



DE Bary, a.: Comparative Morphology and Biology of the Fungi, M>cetozoa and 



Bacteria, 1887: 132-145. 

 DuGGAR, Benjamin' M.: Fungous Diseases of Plants, 1909: 135-173. 

 Engler, Adolf, and Gilg, Ernst: Syllabus der Pflanzenfarailien, 7th Edition, 



1912: 38-42. 

 Holder, Chas. F.: Methods of Combating Fungous Disease on Fishes. Bull. 



of the Bureau of Fisheries, xxviii: 935-936. 

 Jones, L. R., Giddings, N. J. and Lutman, B. F.: Investigations of the Potato 



Fungus, Phytophthora infestans. Bull. 168, \'ermont Agricultural E-vperiment 



Station, .\ugust, 191 2. 

 Kerner, Anton: The Natural History of Plants, 1895, ii: 668-672. 

 Magnus, P.: Kurze Bemerkung iiber Benennung und Verbreitung der Urophlyctis 



bohemica. Centralblatt f. Bakteriologie, Parasitunkunde u. infektions- 



krankheiten, ix: 895-897, 1902; Ueber eine neue unterirdisch lebende Art 



der Gattung Urophlyctis. Ber. der Deutschen Bot. Gesellschaft., xix: 145- 



153, 1901; Ueber die in den Knolligen Wurzelanswuchsen der Luzerne lebende 



Urophlyctis, do., xx: 291-296, 1902; Erkrankung des Rhabarbers durch Perono- 



spora Jaapiana, do., xxviii: 250-253, 1910. 

 Melhus, I. E. : Experiments on Spore Germination and Infection in Certain Species 



of Oomycetes. Research Bull. 15, Agricultural Experiment Station, June, 



1911. 

 MiYAXE, K.: The Fertilization of Pythium de Baiyanum. Annals of Botany, 



x%-: 653. 

 Petersen, Henntng E.: An Account of Danish Fresh-water Phycomycetes, vrith 



Biological and Systematical Remarks. Aimales Mycologici, viii: 494-560, 1910. 

 RoSENBAtru, J.: Studies of the Genus Phytophthora. Jour. Agric. Res. S: 233-276, 



with pis. 7 and key, 191 7. 

 Spencer, L. B.: Treatment of Fungus on Fishes in Captivity. Bull. Bureau of 



Fisheries, xxviii: 931-932, 1910. 

 Ste\'ENS, F. L.: The Fungi Which Cause Plant Disease, 1913: 66-101. 

 Trone, a. H.: On the Fertilization of Saprol^niex. Annals of Botany, xviii: 541. 

 VON Tavel, F.: Vergleichende Morphologie der Pilze, 1892: 5-25. 

 Wager, H.: On the Fertilization of Peronospora parasitica. Annals of Botany, 



3dv: 263, 1900. 

 Wettstedj, Richard R. v. : Handbuch der systematischen Botanik, 191 1 : 158-160. 

 Wilson, Gtty West : Studies in North -\merican Peronosporales V. A Review of the 



Genus Phjrtophthora. Mycologia, \-i: 54-83, March, 1914. 

 ZiRZOW, Pattl: a New Method of Combating Fungus on Fishes in Captivity. 



Bull, of the Bureau of Fisheries, xxv-iii: 939-940, 1910. 

 ZoPF, Wilhelm: Die Pilze, 1890: 282-313. 

 Wager, H.: On the Structure and Reproduction of Cystopus candidus. Annals 



of Botany, x: 295, 1896. 



