Parr 3, 1910} BOLETACEAE 151 
Boletus leptocephalus Peck, Bull. Torrey Club 25: 371. 1898. Not Boletus leptoceph- 
alus Jacquin. Described from specimens collected by Earle in dry pine woods in Alabama. 
Too near C. crassus to be recognized as distinct without the discovery of better characters. 
Boletus lignatilis Berk. & Curt. Jour. Linn. Soc. 10: 303. 1868. Known only from 
Berkeley’s very brief description drawn from specimens collected on rotten wood in dense 
woods in Cuba. The types at Kew add nothing to the description. 
Boletus mutabilis Morgan, Jour. Cinc. Soc. Nat. Hist. 7: 6. A/. 7. 1884. Not Boletus 
mutabilis of Batsch and others. Described from Ohio. Types not seen. Peck’s New 
York plants of this name are either C. sordidus or Tylopilus felleus. 
Boletus nebulosus Peck, Ann, Rep. N. Y. State Mus. 51: 292. 1898. Described from 
immature specimens collected on shaded roadside banks near Raybrook, New York. It has 
points in common with C. sordidus and Tylopilus felleus. 7 
Boletus Pocono Schw. Trans. Am. Phil. Soc. II. 4: 154. 1832. Described from speci- 
mens collected in beech woods in the Pocono Mountains, Pennsylvania. Types destroyed 
and description inadequate. 
Boletus radicosus Bundy, Geol. Wisc. 1: 398. 1883. Bundy’s specimens are not in 
existence. 
Boletus rimosellus Peck, Bull. N. Y. State Mus. 8: 127. 1889. Described from notes 
and one dried specimen collected by C. J. Curtis in North Carolina. Type not found. 
Boletus robustus Fries, Nov. Symb. 1: 46. 1851. Described from specimens collected 
by Oersted in volcanic soil on the Irasi volcano, Costa Rica. The drawing made by Oer- 
sted represents an undeveloped specimen, which might be almost any species. The speci- 
mens preserved in spirit could not be found at Copenhagen. 
Boletus tenuiculus Frost, Bull. Buffalo Soc. Nat. Sci. 2: 103, 1874. Described from 
Brattleboro, Vermont. The types are poor and the description brief. 
Boletus unicolor Frost; Peck, Bull. N. Y. State Mus. 8: 100. 1889. Published by 
Peck from manuscript only. Frost’s collection contains a single sheet with five poor speci- 
mens collected in pine woods and open sedgy places near Brattleboro, Vermont. 
4. SUILLELLUS Murrill, Mycologia 1: 16. 1909. 
Hymenophore annual, terrestrial, centrally stipitate; surface glabrous or nearly so, dry 
or slightly viscid: context white or yellow, fleshy, considered poisonous in some species ; 
tubes small, yellowish within, mouths red or orange from the first, not covered with a veil : 
spores oblong-ellipsoid, smooth, yellowish-brown, sometimes with greenish tints: stipe 
solid, usually reticulate or dotted. 
Type species, Boletus luridus Schaeff. 
Pileus yellow, brown, or red. 
Stipe 2 cm. or less in thickness. 
Stipe yellow above and red below. 1. S. luridus. 
Stipe red the entire length, or rarely yellow at the base. 
Stipe reticulate. 2. S. Frostii. 
i Stipe not reticulate. 3. S. rubinellus. 
Stipe over 5 em. thick. 4. S, Eastwoodiae. 
Pileus olivaceous. 5. S. Morrisit. 
1. Suillellus luridus (Schaeff.) Murrill, Mycologia1: 17. 1909. 
Boletus luridus Schaeff. Fung. Bavar. 3: pl. 107. 1770. 
Boletus tuberosus Bull. Herb. Fr. pl. 100. 1782. 
Boletus rubeolarius Bull. Hist. Champ. Fr. 326. 1791. 
Boletus Satanas Rostk. in Sturm, Deuts. Fl. Pilze5: 97. 1844. . 
Boletus Sullivantii Berk. & Curt.; Mont. Syll. Crypt. 152. 1856. (Type from Ohio.) 
Boletus vermiculosus Peck, Ann. Rep. N. Y. State Cab. 23: 130. 1872. (Type from New York.) 
Boletus magnisporus Frost, Bull, Buffalo Soc. Nat. Sci. 2: 103. 1874. (Type from Vermont.) 
Boletus firmus Frost, Bull. Buffalo Soc. Nat. Sci. 2: 103. 1874. (Type from Vermont.) 
Boletus Spraguet Frost, Bull. Buffalo Soc. Nat. Sci. 2: 103. 1874. (Type from Vermont.) Not 
B, Spraguet Berk. & Curt. 1872. 
Boletus subvelutipes Peck, Bull. N. ¥. State Mus. 8: 142. 1889. (Type from New York.) 
Boletus Underwoodii Peck, Bull. Torrey Club 24: 145. 1897. (Type from Alabama.) 
Boletus chamaeleontinus Atk, Jour. Myc. 8: 112. 1902. (Type from New York.) ; 
Boletus Dartmouthi MacKay, Proc. Trans. Nova Scot. Inst. 11: 134. 1904. (Type from Nova Scotia.) 
Pileus convex, gregarious or subcespitose, 5-12 cm. broad; surface dry, smooth, gla- 
brous or minutely tomentose, sometimes clothed with rather conspicuous appressed, felted 
