Fig. 7From: New sequestrate fungi from Guyana: Jimtrappea guyanensis gen. sp. nov., Castellanea pakaraimophila gen. sp. nov., and Costatisporus cyanescens gen. sp. nov. (Boletaceae, Boletales)Basidiomata of Costatisporus cyanescens. A. Unsectioned basidioma showing blue stains on bruised peridium (holotype; Henkel 9061). B. Longitudinal section showing mature dark brown gleba with gelatinization around margins (holotype; Henkel 9061). C. Longitudinal sections of three basidiomata showing dark blue peridial stains, mycophagist excavations (left) and glebal maturation (left to right) (Henkel 10100). Bars = 10 mm.Back to article page