. Comparative morphology of Fungi. Fungi. Fig. 37.—Ancylistes Closterii. 1. Closterium with parasite. 2, 3. Fertilization. Mature zoospores. (After Dangeard, 1906.) with a double wall develops and probably germinates by zoospores which escape through the neck. Lagenidium Rabenhorslii (Zopf, 1885), causing an epidemic on the mats of Spirogyra, Mesocarpus, etc., and L. pygmaeum (Zopf, 1888) on Pinus pollen in water, agree essentially with Myzocytium, except that their mycelium is lobulate. The sporangia discharge undifferentiated protoplasm into a germ sac formed at the mouth of the emission col
. Comparative morphology of Fungi. Fungi. Fig. 37.—Ancylistes Closterii. 1. Closterium with parasite. 2, 3. Fertilization. Mature zoospores. (After Dangeard, 1906.) with a double wall develops and probably germinates by zoospores which escape through the neck. Lagenidium Rabenhorslii (Zopf, 1885), causing an epidemic on the mats of Spirogyra, Mesocarpus, etc., and L. pygmaeum (Zopf, 1888) on Pinus pollen in water, agree essentially with Myzocytium, except that their mycelium is lobulate. The sporangia discharge undifferentiated protoplasm into a germ sac formed at the mouth of the emission collar. The sac begins to rotate, bursts and liberates the biflagellate zoospores. Occasionally in L. americanum there is no differentiation into zoospores, but the naked protoplasm swims away with many flagella (Atkinson, 1909). In Ancylistes Closterii on Closterium, the emission collar develops to a regular hypha into which the sporangia discharge their whole content. From time to time they are abjointed in the rear from the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gäumann, Ernst Albert, 1893-1963; Dodge, Carroll William, 1895-. New York [etc. ] McGraw-Hill Book Company, Inc.
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