BOLETI OF THE UNITED STATES 139 
Ain. SVN LOUIE Bie HOLS TORINO SS in et RAG Mo Bee eee B. subvelutipes. 
APOLeTy MOL Malinyaat abe maser 4. trueey- cine cele oe)4 + B. vermiculosus. 
SILC IMG Ore ure2 ctr te aay Lit om iar sich vaiciny visor fe cs B. luridus. 
5. Stem yellow or we dtiglh Omllivratet Merb ase sre mern cite. ves 6 
Gabilensgnurplishoned swam ren teenies cite aie B. purpureus. 
GHBIBIIENS Otay sous Veta) once cr. BO ce eae haces Sees) od B. firmus. 
6. Pileus yellow or ews mada noteintsi vias Bcheralcesrere sy oars B. magnisporus. 
7. Pileus blood-red. 5 5. 3 Sena etait 0 che ee ah B. Frostii. 
7. Pileus veddiginetenmany or -laconme BO ALEE SEWN S CIN: Riehl aera B. Sullivantii. 
Boletus Satanus Lenz. 
SATANIC BOLETUS 
Hym. Eur. p. 510. Syl. Fung. Vol. VI, p. 34 
Pileus convex, elabrous, somewhat viscose, brownzsh-alu- 
taceous or whitish, flesh whitish, becoming reddzsh or vzola- 
ceous where wounded; tubes free, yellow, their mouths bright 
red, becoming orange colored with age; stem thick, ovate- 
ventricose, marked above with red reticulations, spores 
-00048 in. long, .oo02 broad. 
Miuileus 2)tore im, broad; stem 2)to 31. long: 
Woods. Rare. North Carolina, Curtzs. New York, 
Peck. California, Harkness, Moore. 
Though mild to the taste, this Boletus is said to be very 
poisonous, a character suggestive of the specific name. 
Fries describes the color of the spores as earthy-yellow; 
Smith, as rich-brown. 
Boletus alveolatus B. & C. 
ALVEOLATE BoLETUS 
Bull. Buff. Soc. 1874, p. 102 
Pileus convex, glabrous, shining, bright crimson or maroon 
color, sometimes paler and varied with patches of yellow, 
flesh firm, white, changing to blue where wounded; tubes 
adnate, subdecurrent, yellow with maroon colored mouths, 
