PERONOSPORALES 225 



, L'cziologia della "cancrena pedale" del Capsicum annimm L. 



Riv. Patol. Veg., 17 : 1-19, 5 fig., 1927. 

 Dastur, J. F., On Phytophthora parasitica nov. spec, a new disease of the 



castor oil plant. Mcni. Dcpt. Agric. India. Bot. Ser., 5: 177-231, jd. 



1-10, 1913. 

 Davis, B. M., The fertilization of Albugo Candida. Botan. Gaz., 29: 297- 



311, pi. 22, 1900. 

 DissMAN, E., Vergleichende Studien zur Biologic und Systematik zwcier 



Pythium-Arten. Archivf. Protislenk., 60 : 142-192, 36 fig., 1927. 

 Drechsler, C, The cottony leak of cucumbers caused by Pythium aphani- 



dermatum. Jour. Agr. Res., 30: 1035-1042, 1925. 

 , The cottony leak of eggplant fruit caused by Pythium aphanider- 



matum. Phytopathology, 16: 47-50, 1926. 

 , Pythium arrhenomanes n. sp., a parasite causing maize root rot. 



Phytopathology, 18 : 873-875, 1928. 

 Eberhardt, a., Contribution a I'etude ae Cystopus candidus Lev. 



Centralbl. Bakt. Parasilenk. und Infekt., 12: 235-249, 426--139, 614-631, 



714-725, / pi, 1904. 

 Edson, H. a., Rheosporangmm aphanidermatus, a new genus and species 



of fungus parasitic on sugar beets and radishes. Jour. Agr. Res., 4: 



279-291, pi. U~48, 1915. 

 Eriksson, J., Sur I'histoire du developpement du Peronospora spinaciae 



(Grev.) Laub. Arkivfiir Botayiik, 16: 1-25, pi. 1-4, 1915. 

 , Developpement primaire du mildiou (Phytophthora infestans) au 



cours de la vegetation de la pomme de terre. Rev. Gen. Bot., 29: 257- 



260, 305-320, 333-349, 376-380, 1917; 30: 16-30, 50-62 6 pi, 5 fig., 



1918a. (See BoL AbsL, 1: 100, 1918.) 

 -, Zur Entwickelungsgeschichte des Spinatschimmels, Peronospora 



Spinaciae (Grev.) Laub. Arkivfiir Botanik, 15: 1-25, pi 1-4, 19186. 



(See Rev. Gen. BoL, 32: 552, 1920.) 

 Farlow, W. G., On the American grapevine mildew. Bui. Bussey In.'it., 



1:415-428, 1876. 

 Fawcett, H. S., The known distribution of Pythiacystis citrophthora and its 



probable relation to Mai di gomma of citrus. Phytopathology, 5 : 66-67, 



1915. 



, A Pythiacystis on avocado trees. Phytopathology, 6 : 433-435, 1916. 



, Pythiacystis and Phytophthora. Phytopathology, 10 : 397-399, 1920. 



Fischer, A., Peronosporaceae. Die Pilze Deutschlands, Osterreich, und 



der Schweiz. {RahenhorsVs Kryptogamen-Flora) 1*: 383-489, 1892. 

 FiTZPATRicK, H. M., Generic concepts in the Pythiaceae and Blastocla- 



diaceae. Mycologia, 16: 166-173, 1923. 

 Freeman, E. M., Minnesota Plant Diseases, pp. 334-338, 1905. 

 Gadd, C. H., The relationship between the Phytophthorae associated with 



the bud-rot diseases of palms. Ann. Botany, 41 : 253, 1927. 

 Gandara, G., Nota acera da las enfermedades fungosas del maguey. Mem. 



Rev. Soc. CienL, " Antonia Alzate," 26 : 293-305, 8 fig., 1 pi, 1909. 

 Gaumann, E., t)ber die Formen der Peronospora parasitica (Pers.) Fr. Ein 



Beitriigo zur Spezicsfrage bei den parasitischen Pilzen. Beih. Botan. 



Centralbl, 36: 395^533, 1917. 



