EXPLANATION OF PLATES 



PLATE 21 



Fig. 1. Longitudinal section of an individual of Ceriomyces communis, Form 



C, showing the long slender stipe and the cracked surface of the pileus (No. 

 240). X 1/2 diam. 



Fig. 2. Longitudinal section of an individual of Ceriomyces communis, Form 

 A (dried specimen contributed by Dr. W. A. Murrill). X % diam. 



Fig. 3. Longitudinal section of an individual of Ceriomyces communis, Form 

 E. (No. 241). X 1/2 diam. 



Fig. 4. Longitudinal section of an individual of Ceriomyces communis, Form 

 B, showing the short, thick fleshy stipe abruptly attenuate at the base. 

 X % diam. 



Fig. 5. Longitudinal section of an individual of Ceriomyces communis, Form 



D, showing the thick stipe enlarged below. (No. 238). X % diam. 



Fig. 6. Longitudinal section of an individual of Suillellus Eastwoodeae, Form 

 B, showing the thick, fleshy pileus and the large stout stipe with the lower 

 portion decidedly bulbous. (No. 239). X ^^ diam. 



Fig. 7. Longitudinal section of an individual of Suillellus Easticoodeae, 

 Form A, showing the stipe swollen at the middle. (Reconstruction from dried 

 material). X ^2 diam. 



Fig. 8. Longitudinal section of an individual of BostJcovites californiciis, 

 (No. 251, dried specimen). X Vy diam. 



Fig. 9. Longitudinal section of an individual of Boletus luteus showing the 

 annulus. (No. 236). X 1/2 diam. 



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