Developmental anatomy of a dimitic basidiomycete, Pterula sp.

Abstract
Developmental anatomy of fruitbodies and mycelium in a clavarioid fungus, Pterula sp. (Aphyllophorales), was studied in the light microscope using plastic-embedded material and in the scanning electron microscope. Differentiation of skeletal and generative hyphae and of the hymenium and sclerotioid patches were similar in the fruitbody and mycelium. Experimental results indicated that the hymenium is ageotropic and that fertile fruitbodies form in both upright and inverted cultures. The nature of the skeletal hyphae, and generic delimitations in the Pterulaceae are discussed.

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