Il8 POLYPOREI. 



According to Prof. Peck, the New York species differ only 

 in the depressed tubes in the latter. 



Equally conimon in our Lehigh Valley. Supposed to be edible ; it has 

 quite an agreeable nutty flavor when fresh. 



Genus XLV. BOIyBTUS. Dill. 



Hymenium composed of easily separating tubes, distinct and 

 easily separable from the hymenophore. Terrestrial, fleshy, 

 putrescent, centrally stipitate fungi. 



Species of the Lehigh Valley Boleti are included under the 

 following heads or groups : 



1. Luridi. — Tubes yellowish, with reddish brown mouth. 



2. Viscipelles. — Pileus viscid, tubes adnate to the stipe. 



3. Subtomentosi. — Tubes adnate, pileus dry and tomentose. 



4. Subpruinosi. — Pileus glabrous, tubes adnate. 



5. Edules. — Tubes free, stuffed when young. 



6. Calopodes. — Tubes adnate, stem beautifully veined. 



7. Hyporhodii. — Tubes becoming flesh colored from the 

 spore. 



8. Versipelles. — Tubes free, whitish at first, veiled. 



9. Cariosa. — Tubes white at first, then yellowish. Stem 

 excavated, and not reticulated. 



Group I. Viscipelles. 



Pileus viscid, stem solid, tubes adnate, of one color. 



B. Spectabilis. Pk. Showy Boletus. 



Pileus, convex, at first covered with a red tomentum, then 

 squamose, viscid when moist, red, flesh pale yellow. 



Tubes, at first yellow and concealed b}' the veil, orifices 

 angular, adnate. 



