RUSSULA 475 



sometimes entirely olivaceous, convex, then plane or depressed, fleshy, 

 rigid, slightly viscid, pellicle separable, soon dry; margin thin, at 

 length tuberculosely striate. St. 5-12 x 2-5 cm., white, generally reddish 

 at the apex or on one side, sometimes yellowish at the base, firm, equal. 

 Gills pallid light yellow, soon becoming ochraceous egg-yellow, at first 

 free, thick, very broad, equal, somewhat distant. Flesh white, firm, 

 becoming soft with age. Spores deep ochre yellow in the mass, yellow 

 under the microscope, subglobose, 10 x Qfj,, verrucose, 1-guttulate. 

 Cystidia "sparse, cylindrical-fusiform, 60-75 x 8-10 ja" Rick. Taste 

 pleasant, nutty. Edible. Woods, especially beech. July Oct. Com- 

 mon, (v.v.) 



var. purpurata Bres. Bres. Fung. Trid. t. 96. 



Purpurata, clad in purple. 



Differs from the type in the light purple p. and st. Coniferous woods. 

 Aug. Sept. Uncommon, (v.v.) 



var. olivascens (Fr.) Rea. Fr. Icon. t. 172, fig. 2, as Russula olivascens 

 Pers. Olivascens, becoming olive coloured. 



P. 6-10 cm., olivaceous, becoming yellowish at the disc, convex, then 

 expanded and umbilicate, fleshy, rigid. St. 3-7 x 1-5-2 cm., white, 

 firm, equal. Gills cream colour, then yellowish, slightly adnexed, nar- 

 rowed behind, broader in front, nearly equal, rarely forked. Flesh 

 white. Spores deep ochraceous, globose, 9-10/x, echinulate. Taste mild, 

 then slightly acrid. Woods. Aug. Oct. Uncommon, (v.v.) 



1554. R. aurata (With.) Fr. Cke. Illus. no. 1041, t. 1080. 



Aurata, golden. 



P. 5-9 cm., varying lemon-yellow, orange or red, disc darker, convex, 

 then plane, or depressed, fleshy, rigid, viscid in wet weather; margin 

 thin, slightly striate when old. St. 5-9 x 1-5 cm., white, tinged with 

 lemon yellow especially towards the base, equal, or attenuated down- 

 wards, firm, obsoletely striate. Gills whitish, inclining to light yellow, 

 vivid lemon-yellow at the edge, rounded, free, equal, connected by veins, 

 sometimes forked behind. Flesh lemon-yeilow under the separable 

 pellicle, yellowish, then white below. Spores ochraceous, globose, 8-9 p, 

 marked with ridges and spines, 1-guttulate. Cystidia on edge of gill 

 abundant, cylindrical-fusiform, 55-70 x 8-12/*, apex obtuse, contents 

 yellowish. Smell pleasant. Taste mild, or very slowly acrid. Edible. 

 Woods. June Oct. Not uncommon, (v.v.) 



1555. R. fusca Quel. Cke. Illus. no. 1000, t. 1074, bottom fig., as 

 Russula xerampelina Schaeff. Fusca, dark. 



P. 6-8 cm., ochraceous brown, speckled, darker at the disc, convex, 

 then infundibuliform, fleshy, viscid. St. 4-6 x 2 cm., milk-white, 

 rigid, at length slightly wrinkled. Gills milk-white, then ochraceous 



