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Two New Genera of Operculate Chytrids
American Journal of Botany
Vol. 26, No. 7 (Jul., 1939), pp. 459-463
Published by: Botanical Society of America, Inc.
Stable URL: http://www.jstor.org/stable/2436568
Page Count: 5
You can always find the topics here!Topics: Fungal spores, Fungi, Zoospores, Sporangia, Spore germination, Swelling, Hyalin, Spores, Thallus, Washing
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A new genus, Catenochytridium, is proposed for an operculate chytrid with a catenulate, compound apophysis and the endo-exogenous method of growth. The type species, C. carolinianum, occurs saprophytically in leaves of grass, and cereal grains in association with other chytrids. A second new genus, Septochytrium, is suggested for an operculate, polycentric chytrid having a coarse rhizomycelium, with constrictions, septations and intercalary swellings. The type species, S. variabile, occurs saprophytically in leaves of grass and cereal grains. It is extremely variable in form and size. These two chytrids have been separated from five others with which they were originally associated and subsequently cultured in "unifungal" state under as nearly sterile conditions as possible.
American Journal of Botany © 1939 Botanical Society of America, Inc.