TBICHOLOMA 217 



(6) Gills changing colour, generally with reddish spots. 

 T. colossum Fr. = Armillaria colossa (Fr.) Boud. 



618. T. nictitans Fr. (= Tricholoma acerbum Bull. sec. Quel.) Hussey, 



Illus. Brit. Myc. n, t. 46. Nictitans, winking. 



P. 5-6 cm., brownish red, becoming yellow, disc darker, fleshy, convex, 

 then flattened, obtuse, viscid. St. 7-5 cm. x 12 mm., pallid light 

 yellow, equal, or attenuated upwards, base truncate, elastic, dry, apex 

 squamulose. Gills light yellow, rufescent spotted when old, rounded 

 adnexed, crowded, rather broad, subventricose. Flesh white, thin. 

 Spores white, "elliptical, 7-8 x 5/i" Massee. Taste pleasant. Mixed 

 woods. Sept. Oct. Rare. 



619. T. ful vellum Fr. Fulvus, tawny. 

 P. 2-5-8 cm., pale yellowish rufescent, or tan colour, fleshy, convex, 



then plane, viscid, disc darker, dotted wrinkled. St. 4-7-5 x 1 cm., 

 whitish rufescent, fibrillose, apex naked. Gills white, then rufescent, 

 rounded, then emarginate, crowded. Flesh often more or less yellow. 

 Spores white, "subglobose, 4-5 /z" Massee. Beech woods. Oct. 

 Nov. Rare. 



620. T. aurantium (Schaeff.) Fr. (= Armillaria aurantia (Schaeff.) 



Fr. Hym. Eur.) Fr. Icon. t. 27, upper figs., as Armillaria 



aurantia Schaeff. Aurantium, orange coloured. 



P. 5-8 cm., rusty orange colour, disc often darker, fleshy, convex, 



then plane, obtuse, viscid, obsoletely innato-squamulose, or almost 



smooth. St. 6-8 x 1-1-5 cm., concolorous with concentric, orange 



scales, apex white, mealy, equal, or slightly attenuated upwards. Gills 



white, then tinged with rufous, emarginate, adnexed, crowded, 4 mm. 



broad. Flesh white, reddish in the st. Spores white, elliptical, 6- 



7 x 4-5/i, 1-guttulate. Smell very pleasant. Taste bitter. Edible. 



Coniferous woods. Sept. Nov. Uncommon, (v.v.) 



621. T. fulvum (DC.) Fr. (= Tricholoma flavo-brunneum Fr. Hym. 

 Eur.) Fr. Icon. t. 26, upper figs., as Tricholoma flavo-brunneum Fr. 



Fulvum, tawny. 



P. 7-5-15 cm., reddish brown, or rufous tawny with a darker disc, 

 fleshy, conico-convex, then flattened, broadly gibbous, viscid, streaked 

 with fibrils, or innately squamulose. St. 7-5-12-5 cm. x 12 mm., 

 rufescent, or becoming fuscous, streaked with rufous fibrils, attenuated 

 at both ends, equal only when smaller, viscid at first, apex naked. Gills 

 light yellow, spotted rufous when old or touched, emarginate, decurrent 

 by a tooth, crowded. Flesh white, sulphur-yellow in the stem. Spores 

 white, elliptical, 5-6 x 3-4 /u, 1-guttulate; "basidia on edge of gill filled 

 with yellowish juice" Rick. Smell of new meal, or rancid. Decidu- 

 ous woods, and heaths under birches. Sept. Nov. Common, (v.v.) 



