844 AQUATIC PHYCOMYCETES 



Aphanomyces amphigynus Cutter 

 Mycologia, 33: 230, figs. 13 a-f. 1941 



Aphanomyces apophysii Lacy 

 Indian Phytopathol., 2: 137, figs. 2D, 3. 1949 



Aphanomyces astaci Schikora 

 Fischerei-zeitung, 6: 353. 1903 (see also Schikora, 1906) 



Aphanomyces daphniae Prowse 

 Trans. Brit. Mycol. Soc, 37: 22, figs. 1-3. 1954 



Aphanomyces laevis de Bary f. keratinophilus Ookubo and Kobayasi 



Nagaoa, 5: 6, figs. 4-5. 1955 



Aphanomyces hydatinae Valkanov 

 Arch. Protistenk., 73: 366; 74: 5, figs. 1-16. 1931 



Aphanomyces magnusii Schikora 

 Verhandl. Bot. Vereins Prov. Brandenberg, 63: 87. 1922 



Aphanomyces ovidestruens Gicklhorn 

 Lotos, 71: 143, figs. 1-8. 1923 



Aphanomyces sparrowii Cutter 

 Mycologia, 33: 233, figs. 15 c-g. 1941 



SOMMERSTORFFIA Arnaudow 



Flora, 116: 109. 1923 



(Fig. 66 G, p. 842) 



Mycelium delicate, of limited complexity, parasitic in bodies of 



rotifers and extending out into the water, some branches with sharp 



tips covered with mucilage for capturing rotifers; sporangia long and 



slender, zoospores in a single row, encysting at mouth of sporangium, 



