Murrill: Boletaceae of North America 149 



1 6. Ceriomyces crassus Battar. Fung. Hist. 62. 

 pi. 29. 1775. 



Agaricus bulbosus Schaeff. Fungi Bavar. 2 : pi. 134. 1763. 



Boletus edulis Bull. Herb. Fr. pi. 60. 1781. 



Boletus esculentus Pers. Obs. Myc. 1 : 23. 1794. 



Leccinum edule S. F. Gray, Nat. Arr. Brit. PL 1 : 647. 1821. 



Boletus separans Peck, Ann. Rep. N. Y. State Mus. 25 : 81. 1873. 



(Type from Greenbush, New York.) 

 Boletus decorus Frost, Bull. Buffalo Soc. Nat. Hist. 2 : 103. 1874. 



(Type from Brattleboro, Vermont.) 

 Boletus limatulus Frost, Bull. Buffalo Soc. Nat. Hist. 2 : 104. 



1874. (Type from Brattleboro, Vermont.) 

 Boletus variipes Peck, Ann. Rep. N. Y. State Mus. 41 : 76. 1888. 



(Type from Menands, New York.) 

 Suillus bulbosus O. Kuntze, Revis. Gen. 3 : 535. 1893. 

 ? Boletus auripes Peck, Ann. Rep. N. Y. State Mus. 50: 107. 



1898. (Type from Port Jefferson, New York.) 

 Boletus Atkinsoni Peck, Bull. N. Y. State Mus. 94: 20. 1905. 



(Type from New York.) 

 Boletus nobilis Peck, Bull. N. Y. State Mus. 94: 48. 1905. 



(Type from New York.) 



This species is abundant, well known, and widely distributed 

 in temperate regions, and, like most species of this character, it 

 has many varieties and has received many names. The sporo- 

 phore is large, with glabrous, brownish cap, white or yellowish 

 flesh, stuffed tubes that soon change from white to yellowish or 

 brownish, and a stout stem that is usually more or less reticulated, 

 especially above. In Peck's variety clavipes, the stem is reticu- 

 lated to the base, and in B. separans of Peck the stem, as well as 

 the cap, is brownish-lilac in color. Most of the other American 

 forms included in the above synonymy may be referred either to 

 the type form or to one of the two varieties just mentioned. 



17. Ceriomyces affinis (Peck) 



Boletus affinis Peck, Ann. Rep. N. Y. State Mus. 25: 81. 1873. 

 ? Boletus leprosus Peck, Bull. N. Y. State Mus. 2: 135. 1889. 



(Type from North Carolina.) 

 ? Boletus crassipes Peck, Bull. Torrey Club 27 : 19. 1900. (Type 



from Mt. Gretna, Pennsylvania.) 



