90 MINNESOTA MUSHROOMS 



net-veined, stout and often bulbous; tubes almost free, ^vbitish. finally yellowish 

 or greenish; spores yellowish, oblong to fusoid, 10-16 X 3-6/i.. The name refers 

 to the edible properties. 



In woods and openings, summer and autumn ; excellent. 



Boletus luteus Yellow Boletus 



Cap 5-15 cm. wide, yellow to yellowish brown or brownish, covered with a 

 dense brownish glue, more or less spotted, convex to plane ; flesh white, unchang- 

 ing ; stem 5-6 cm. by 1-2 cm., yellowish or darkish and rough-dotted above the 

 membranous brownish ring ; tubes adnate, yellow, darker when old ; spores yel- 

 low-brown, fusoid, 6-10 X 2-3/x. The name refers to the color. 



Common on the ground in woods, summer and autumn ; famed for its good 

 qualities. 



Boletus subluteus Yellowish Boletus 



Cap 3-8 cm. wide, dull yellow to rust-brown, sticky when wet, more or less spot- 

 ted, convex to plane; flesh whitish to yellowish ; s t e m 3-7 cm. by 4-7 cm., grayish 

 to yellowish, rough-dotted above and below the ring with red-brown dots ; veil 

 sticky, finally forming a band-like ring ; tubes adnate, yellow, then ocher ; spores 

 yellowish-rust-colored, fusoid, 8-10 X 4-5/a. The name refers to its relationship to 

 Boletus luteus. 



On the ground in woods, summer and autumn ; good. 



Boletus scaber Roughstem Boletus 



Cap 3-12 cm. wide, extremely variable in color, from tan to brickred, orange- 

 red, smoky, brown, etc., smooth, sticky when wet, convex ; flesh white or Avhitish, 

 changing little when bruised; stem 6-12 cm. by 6-12 mm., whitish to gray, rough 

 with red-brown or blackish scales, solid ; tubes free, w^hite, then darkish ; spores 

 brownish, fusoid, 14-18 X 4-6/x. The name refers to the rough stem. 



One of the commonest of the genus, in woods, marshes, etc., summer and 

 autumn; excellent, though stem and tubes should usually not be cooked, as they 

 require a longer period. 



Boletus cyanescens Blueflesh Boletus 



Cap 5-15 cm. wide, grayish tan. tan or brownish, more or less tufted or hairy. 

 convex to plane; flesh white, turning blue where bruised; stem 5-10 cm. by 1-3 

 cm., tan to brownish, grayish with fine hairs, stufl"ed. then hollowed; tubes free, 

 white, then yellowish, turning blue when touched ; spores whitish or pale yellow, 

 ellipsoid, 15-16 X 5-8/*. The name refers to the bluing of the flesh. 



In woodland and grassland, summer and autumn ; excellent. 



