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Arcyria corymbosa M. L. Farr et G. W Martin
Life   Amoebozoa   Eumycetozoa   Arcyriaceae   Arcyria


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Overview
Sporocarps stalked, subcylindrical, tapered slightly upwards, dull rose to pale cinnamon brown, united in clusters of 2-20 by fused stalks, total height after expansion 3-4 mm. Sporothecae 0.3-0.5 mm diam. Hypothallus broadly expanded, continuous, membranous, hyaline, shining. Stalks c. half the total height, slender, longitudinally plicate, reddish brown, frequently surrounded by a membranous sheath that extends upwards from the hypothallus, merging into a conical, iridescent, membranous cup. Capillitium firmly attached to the base of calyculus, forming a dense, elastic net, very pale reddish brown by TL, consisting of irregular tubules, almost even to strongly crenulate in outline, marked with scattered, single or loosely grouped, blunt papillae or cogs and occasional obscure spirals, otherwise smooth, 2-7 µm diam., with free ends which are short and acute inside the calyculus, rounded or irregular above. Spore-mass ferruginous. Spores pale reddish yellow, globose or subglobose, marked with scattered or loosely grouped prominent warts and very faint lines suggesting an incomplete reticulum, (8-)9-10(-11) µm diam. Plasmodium unknown.

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References
  • Farr,M.L., Martin, G. W. 1958: Two new Myxomycetes from Brazil. Broteria 27(4): 153-158.

Acknowledgements
The Eumycetozoan Project -- working to understand the ecology, sytematics and evolution of myxomycetes, dictostelids and protostelids -- the true slime molds.

Sponsored by grants from the National Science Foundation.


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Please send any corrections and comments about this page to John Shadwick
Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA
email: jshadwi@uark.edu   phone: USA-479-575-7393.

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Updated: 2024-04-25 08:39:23 gmt
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