scleroderma bovista

from WordNet (r) 3.0 (2006)
Scleroderma bovista
    n 1: an earthball with a peridium that is firm dry and smooth
         when young but developing cracks when mature; pale orange-
         yellow when young and reddish brown at maturity [syn:
         {Scleroderma bovista}, {smooth earthball}]
    

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