226 THE LOWER FUNGI— PHYCOMYCETES 



GaUmann, E., Zur Kenntnis dcr Chenopodiaceen bewohnenden Perono- 



sporaarten. Mitt. Naturf. Ges. Bern., 1918: 45-66, 1919. 

 , Beitrage zu einer Monographie der Gattung Peronospora Corda. 



Beitr. zur Kryptogamenflora dcr Schweiz, 6 : 1-360, fig. 1-166, 1923. 

 GiCKLHORN, J., Studien an Zoophagus insidians Som. einen Tiere fangenden 



Pilz. Glasnik Hrvatskog Prirodoslov. noga Drustva (Zageb) 34: 198- 



227, 1922. 

 GiLMAN, J. C. and E. V. Abbott, A summary of the soil fungi. Iowa State 



College Jour. Sci., 1: 225-343, 83 fig., 1927. 

 Gray, S. F., A Natural Arrangement of British Plants, 1 : 540, 1S21. 

 GoTZE, Helene, Hemmung und Richtungsanderung begonnener Differen- 



zierungsprozesse bei Phycomyceten. Jahrb. f. Wiss. Bot., 58: 337- 



405, fi^. 1-10, 1918. 

 Gregory, C. T., Spore germination and infection with Plasmopara viticola. 



Phytopathology, 2: 23^-249, 7 fig., 1912. 

 , Studies in Plasmopara viticola. Rept. Internal. Congress Viti- 

 culture, San Francisco, Calif., 1915. pp. 3-27, pi. 5, 1915. 

 Harter, L. L. and W. A. Whitney, A transit disease of snap beans caused 



by Pythium aphanidermatum. Jour. Agr. Res., 34: 443-447, pi. 1, 



1927. 

 Hartig, Robert, Die Buchencotyledonen-Krankheit. Zeitschr. Forst. 



u. Jadgw., 8: 117-123, 1876. 

 Hesse, R., tjber Pythium debaryanum, ein endophytischer Schmarotzer. 



Halle (Inaugr.-Dissert.), 1874. 

 HiMMELBAUR, W., Zur Kenntnis der Phytophthoreen. Jahrb. Hamburg. 



Wiss. Anstalt., 1910: 39-61, pi. l,fig. 1-14, 1911. 

 HoRi, S., A disease of Japanese ginseng caused by Phytophthora cactorum. 



Bui. Imp. Centr. Agric. Exp. Sta. Japan, V: 152-162, 7;^ 27, 1907. 

 Hotson, J. W. and Lena Hartge, A disease of tomato caused by Phytoph- 

 thora mexicana sp. nov. Phytopathology, 13: 520-531, pi. 22-23, fig. 1, 



1923. 

 JoHANN, H., J. R. HoLBERT, and J. G. Dickson, A Pythium seedUng blight 



and root rot of dent corn. Jour. Agr. Res., 37 : 443—464, 1928. 

 JoKL, M., Pythium conidiophorum nov. sp., ein Parasit von Spirogyra. 



Oster. Bot. Zeitschr., 67: 33-37, 1 pi, 1918. {Abst. in Zeit. Pflanzkr. 



28: 344, 1918.) 

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



potato fungus Phytophthora infestans. U. S. Dept. Agric. Bur. Plant 



Indus. Bui. 245: 100 pp., 10 pi. (2 col), 10 fig., 1912. 

 Ka-NOUse, Bessie B., Physiology and morphology of Pythiomorpha gona- 



podioides. Botan. Gaz., 79: 196-206, pi 12-13, 1925. 

 Kanouse, Bessie B. and T. Humphrey, A new species of the genus Pythium 



in the subgenus Aphragmium. Papers Michigan Acad. Sci., 8: 129- 



140, pi 7, 1928. 

 Kern, F. D. and C. R. Orton, Phytophthora infestans on tomatoes. 



Phytopathology, 6: 284-287, 1916. 

 Klebahn, H., Krankheiten des Flieders. 75 pp., 4^ fig-, Borhn, 1909. 

 Konsuloff, St., Untersuchungen iiber die Rotatorienparasiten. Archiv f. 



Protislenk., 36: 360, 1916. 



