.'to. ISolcliis Ko\aii:i('. n. ^]>. 



I'ileus flat cijiivcx, yellow i.sli brown, faHcir-ulati-d rod jiiloHO, fiuljtoincntoBe 

 wIkjii young. Tiihex at fir.st wliitiHli, tlu-n light ytdlfjw, not luigc, falling away 

 around tlio Hteni, or arcuate adnato. Stem light cinnamon or weak ganihogo 

 color, striate at ajjcx, thickened downwards, and subtuberouH. Flenh yellowiMh 

 white, just tinged. /Spores .0105-.0042 ni. m. 



Borders of woods. August and September. 



31. Boletus RlLSSCllli; n. H\^. 



Pilcus pulvinate if exi)anded, otherwiae thick lu;niiHi)licrical, faKciculate red 

 pilose on a yellow ground, 2 to 4 inches broad. I'ltbcn dirty yellow or yellow- 

 ish gre(!n, rather large, nearly adnate, often de])ressed around the stem. Htciii 

 very long 3 to G inches in most specimens, small at apex, increasing down- 

 wards, red, rough with the margins of a sharp network of alveolate depres- 

 sions and in sonae measure from the breaking up of the epidermis. Flesh 

 yellowish, unchanging. Spores .0147-.0084 m. m. 



In rocky woods. July. 



32. Boletus retipes, i?. cfc C. 3.3. Boletus allinis, PtW.-. 



34. Boletus cdulis, Bull. 



35. Boletus limatulus, n. sp. 



Pileus nearly flat, thin, smooth, of a rich yellowish brown, viscid when moist, 

 somewhat polished and shining when dry, 1 to 2)2 inches broad. Tubes color 

 as pileus, greenish yellow inside, falling away around the stem. Stem not 

 large, subtuberous, color as pileus. FlesJi when cut reddish iu pileus darker 

 in stem. Spores .0147-.0047 m. m. 



In woods. June and July 



36. Boletus robustus, n. sp. 



Pileus at first globose, then pulvinate, large, 3 to 10 inches broad and 1 to 1}^ 

 inches thick, chocolate color, fleshy, and so succulent that it is difficult to dry 

 and preserve. Tubes long, perhaps of a lighter color than pileus, when young 

 and in fresh specimens with a purple tinge, especially near the margin. Stem 

 robust, reddish chocolate, very minutely scurfy, even, tapering suddenly at 

 base. Flesh reddish white. Spores .0147-.0084 m. m. 



In woods and thickets. July and August. 



37. Boletus gracilis, Peck. 38. Boletus piperatus, Bull. 



39. Boletus fernigineus, n. sp. 



Pileus pulvinate, soft, dark reddish brown, subtomentose, 3 to 6 inches broad. 

 Tubes at first dirty white, mouths brownish by the spores, generally adnate. 

 Stem dark brown, short, reticulated, often slightly tuberous. FlesJi perfectly 

 white, unchanging. Sjwrcs .0115-.0063 m. m. 



Borders of woods under trees. September. 



