104 
Mycologia 
Description of Plate CLVII 
Photomicrographs by Paul H. Smith 
Fig. I. Median longitudinal section of specimen 3.5 mm. in diameter. 
First indications of pileus and hymenophore. 
Fig. 2. Median longitudinal section of 3.8 mm. specimen. Fundament of 
hymenophore and gill chamber. 
Fig. 3. Tangential section of same specimen. 
Fig. 4. Portion of Fig. 2, enlarged. 
Fig. 5. Transverse section of 9 mm. specimen. 
Fig. 6. Median longitudinal section of 9 mm. specimen, a, decurrence of 
gills ; b, marginal growth of gills. 
