. The American journal of tropical medicine. Fig. 11. Morphology of Allescheria ix Culture a, Coremium; b, Conidia with conidiaspores; c, Exterior of perithecium;d, Section of a mature perithecium filled with spores; e, Section of an immatureperithecium, showing a few asci; f, A mature ascus with eight spores; g, Conidia-spores from a coremium; h, Germinating conidiaspores; i, Ascospores. MYCETOMA IN NORTH AMERICA 263 spaces are numerous small black bodies, about mm. indiameter, in close contact with the substrate and in no case. Fig. 12. ^Iorphology of Allescheria ix Tissue Margin of a g
. The American journal of tropical medicine. Fig. 11. Morphology of Allescheria ix Culture a, Coremium; b, Conidia with conidiaspores; c, Exterior of perithecium;d, Section of a mature perithecium filled with spores; e, Section of an immatureperithecium, showing a few asci; f, A mature ascus with eight spores; g, Conidia-spores from a coremium; h, Germinating conidiaspores; i, Ascospores. MYCETOMA IN NORTH AMERICA 263 spaces are numerous small black bodies, about mm. indiameter, in close contact with the substrate and in no case. Fig. 12. ^Iorphology of Allescheria ix Tissue Margin of a granule from case 30, flattened under a cover slip. Drawn withcamera lucida, using one-sixth objective. The spatulate bodies appear to beconidiaspores. >? Z, i?. i^T^, Fig. 13. Morphology of Allescheria ix Tissue A granules smeared and stained by Gram. Drawn with camera lucida, usingone-twelfth objective. A conidiaspore and mycelial fragments are seen. observed on aerial liyphae. Microscopical examination of theseshows them to be coremia (Tig. lOj. On Sabourauds agar the growth is decidedly different. Thecolonies are smaller and the type of zoning previously described 264 MARK F. BOYD AND EARL D. CRUTCHFIELD is less noticeable. The colony is characterized by the markedextent to which delicate hyphae are formed, which have a palegreenish gray color, except at the periphery of the colony, where ^ Fig. 14. Section of a Granule from Case 30, to Show the Morphology ofAllescheria in Tissue Drawn with camera lucida using two-thirds
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttropica, bookyear1921
