Gyroporus cyanescens (Bull.) Quél. 1886

Gyroporus cyanescens (Bull.) Quel. Ench. Fung. 161. 1886
Boletus cyanescens BuH. Herb. Vr.pL369. 1787.
Boletus conslriclus Pers. Syn. Fung. 508. 1801.
Leccinum constriclum S. F. Gray, Nat. Arr, Brit. PI. 1 : 647. 1821.
Boletus lacteus Lev. Ann. Sci. Nat. III. 9 ; 124. 1848.
Suillus cyanescens P. Karst. Bidr. Finl. Nat. Folk 37 : 1. 1882.
Pileus convex, gregarious at times, 6-12 cm. broad, 1.5 cm. or more thick; surface pale-tan with grayish-white background or slightly brownish, opaque, appressed-tomentose or tomentose-squamulose ; margin entire, concolorous, adorned in young plants with a distinct cortina, which is a part of the general hairy covering : context white or grayishwhite, sweet, 1 cm. or more thick, quickly changing to indigo-blue when wounded ; hymenium nearly plane, depressed near the stem ; tubes free, short, about 4 mm. long, white to yellowish, quickly changing to indigo-blue when wounded, mouths circular, small, edges thin, entire: spores ellipsoid, smooth, hyaline to pale-yellowish, 9-11 X 5-6j" : stipe ventricose,
VOLUMK 9, Part 3, 1910] 133 hollow at maturity, concolorous, clothed with cottony threads, white within, becoming
indigo-blue when wounded, 5-10 cm. long, 1.5-3.5 cm. thick.
Type locality : France.
Habitat : In woods and open places. _ . , ^
Distribution : Canada and the northern United States from Maine to Minnesota and south to