1132 AQUATIC PH YCOM YCETES 



Johnson, T. W., Jr., Ziegler, A. W., and Linthicum, B. 1951. A note on 

 Dictyuchus pseudodictyon. Mycologia, 43 : 728-729. 



Jokl, M. 1916. Eine neue Meereschytridinee: Pleotrachelus ectocarpii, nov. spec. 

 Osterr. botan. Zeitschr., 66:267-272, pis. 4-5. 



Jones, F. R., and Drechsler. C. 1920. Crownwart of alfalfa caused by Urophlyctis 

 alfalfae. J. Agr. Res., 20 : 295-331, pi. 47-56. 



Jones, P. M. 1928. Morphology and cultural life history of Plasmodiophora bras- 

 sicae. Arch. Protistenk., 62: 313-327, pis. 15-21. 



Jones, R. C. 1946. Factors affecting the production of resistant sporangia of 

 Allomyces arbuscula. Mycologia, 38:91-102, 1 fig. 



Juel, H. O. 1901. Pyrrhosorus, eine neue marine Pilzgattung. Bih. Kgl. Svensk. 

 Vetensk.-Ak. Handl., 26, Afd. 3, No. 14: 1-16, 1 pi., figs. 1-29. 



Kanouse, B. B. 1925. Physiology and morphology of Pythiomorpha gonapodioides. 

 Bot. Gaz., 79: 196-206, pis. 12-13. 



1926. On the distribution of the water molds, with notes on the occurrence 



in Michigan of members of the Leptomitaceae and Blastocladiaceae. Papers 

 Mich. Acad. Sci., Arts, Letters, 5: 105-114, pi. 1. 1925. 



1927. A monographic study of special groups of the water molds. I. Blasto- 

 cladiaceae. II. Leptomitaceae and Pythiomorphaceae. Amer. J. Bot., 14: 

 287-306, 335-357, pis. 32-34, 48. 



1932. A physiological and morphological study of Saprolegnia parasitica. 



Mycologia, 24:431-^52, pis. 12-13. 



Karling,J.S. 1928a. Studies in the Chytridiales. I. The life history and occurrence 

 of Entophlyctis heliomorpha (Dang.) Fischer. Amer. J. Bot., 15: 32-42, pi. 1. 



- 1928b. Studies in the Chytridiales. II. Contribution to the life history and 

 occurrence of Diplophlyctis intestina (Schenk) Schroeter in cells of American 

 Characeae. Ibid., 15:204-214, 2 figs., pi. 14. 



- 1928c. Studies in the Chytridiales. III. A parasitic chytrid causing cell 

 hypertrophy in Chara. Ibid., 15: 485-496, 9 figs., pi. 32. 



- 1930. Studies in the Chytridiales. IV. A further study of Diplophlyctis 

 intestina (Schenk) Schroeter. Ibid., 17 ': 770-778, 2 figs., pis. 46^19. 



- 1931a. Studies in the Chytridiales. V. A further study of species of the 

 genus Entophlyctis. Ibid., 18:443-464, pis. 35-38. 



- 1931b. Studies in the Chytridiales. VI. The occurrence and life history of 

 a new species of Cladochytrium in cells of Eriocaulon septangulare. Ibid., 

 18:526-557, pis. 42^14. 



- 1932. Studies in the Chytridiales. VII. The organization of the chytrid 



thallus. Ibid., 19:41-74, 138 figs. 



- 1934a. A saprophytic species of Catenaria isolated from roots of Panicum 

 variegation. Mycologia, 26: 528-543, figs. 1-3, pis. 57-58. 



- 1934b. Resting sporangia of Cladochytrium. Science (N. S.), 79: 390. 



- 1934c. New stations for Physoderma and Ligniera. Torreya, 34: 13-14. 



