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RESEARCHES ON FUNGI 



Fig. 191. — Nycialis parasitica. A, young fruit-body before the formation of the 

 pileus-rudiment. Magnification, 45. B, longitudinal section of the top of a 

 slightly older fruit-body with the pileus developing. Magnification, 90. 

 C, longitudinal section tlirough a somewliat older pileus ; already the hymenium, 

 h, contains numerous chlamydospores. Magnification, 90. D, transverse 

 section through a gill of an older fruit-body, showing numerous clilamydospores. 

 Magnification, about 100. E, a thin section through the outer part of a gill, 

 showing loose hyphae forming chlamydospores. F, single hyphae isolated from 

 the hymenium, showing stages in chlamydospore-formation. G, two ripe 

 chlamydospores which have escaped from a gill. E, F, and G, magnification, 

 390. The drawings copied by Dr. Nellie Carter from de Bary's paper in the 

 Botanische Zeitung (Bd. XVII, 1859) and arranged by the author. 



