PAXILLTJS. GYROPORUS 553 



1827. P. panuoides Fr. (= Paxillus lamellirugus (DC.) Quel.) Cke. 

 Illus. no. 871, t. 878. Panus, the genus Panus; eZSo?, like. 



Entirely dingy yellow. P. 2-5 cm., fleshy, sessile, or extended, and 

 at the first resupinate, soon conchate, dimidiate and obovate, at length 

 broadly expanded, undulato-lobed, and often imbricated, pubescent, 

 becoming smooth, somewhat rivulose. Gills yellow, decurrent to the 

 base, anastomosing behind, branched, crisped, crowded. Flesh cream 

 colour, becoming whitish, soft, equal, thin. Spores ochraceous, ellip- 

 tical, 5 x 3/u,. Cystidia none. Smell often very fragrant. On sawdust, 

 rotten pine stumps, and wood. June Nov. Not uncommon, (v.v.) 

 var. fagi (B. & Br.) Cke. Fagus, beech. 



Differs from the type in being crisped, pallid upwards, orange beneath 

 and having orange gills. Gregarious. Beech stumps. Sept. Oct. Rare. 



2. Hymenium lining the inside of fleshy tubes. 



Spores white, or pale yellowish. 

 Gyroporus (Quel.) Pat. (=Boletus p.p.). 



(yvpos, round; Tropo?, pore.) 



Pileus fleshy, tomentose, or smooth. Stem central, velvety, or 

 glabrous, externally firm, fragile, internally spongy, often cavernous, 

 base immersed in the soil. Pores white, then often yellowish, entire, 

 round; tubes concolorous, free. Flesh white, firm, sometimes be- 

 coming blue on exposure to the air. Spores white, or pale yellowish, 

 oval, elliptical, pip-shaped, or elliptic-oblong, smooth. Cystidia cla- 

 vate. Growing on the ground. 



1828. G. cyanescens (Bull.) (= Boletus cyanescens (Bull.) Fr.) Quel. 

 Rostk. Bol. t. 44, as Boletus cyanescens Bull. 



KVO.VOS, dark blue. 



P. 5-13 cm., subfuscous, or tan, convexo-expanded, adpressedly 

 tomentose, floccosely-scaly, opaque. St. 5-9 x 2-3 cm., concolorous, 

 ventricose, villoso-pruinose, firm, fragile, stuffed with a spongy pith, 

 at length cavernous. Tubes white, at length light yellow, becoming bluish 

 when touched, free; orifice of pores minute, round. Flesh white, in- 

 stantly becoming deep indigo blue on exposure to the air, pouring out 

 an azure blue juice when compressed, firm. Spores whitish, elliptical, 

 often with a basal apiculus, 8-9 x 4-5 /n, multi-guttulate. Woods. 

 July Oct. Uncommon, (v.v.) 



1829. G. lacteus (Lev.) Quel. (= Boletus cyanescens (Bull.) Fr.) 



Lacteus, milk-white. 



P. 10-15 cm., pure white, convex, gibbous, minutely tomentose. 

 St. 9-12 x 4-6 cm., pure white, incrassated at the base, firm, velvety, 

 stuffed with a spongy pith and cavernous, at length hollowed out. 

 Tubes white, free, short; orifice of pores white, minute, round, or 



