26 Tricholoma. 



[lentum, Post. Entirely white not becoming spotted. P. convex, 

 unpolished and at first rather velvety, disc tinged pallid when old ; 

 g. sinuate or subdecurr. ; s. base narrowed, apex usually longitudin- 

 ally costate ; sp. 7 '5 10 x 4'5 7. 



[raphanicum, Karst. Smell very strong, like radishes. P. convex, 

 often gibbous, white, disc tinged tan ; g. white ; s. rooting, flocculose 

 above ; sp. glob. 3 4. 



leucocephalum, Fr. Pure white, smell mealy. P. 3 4 cm. 

 plane, even, moist, glabrous after silky veil has gone ; g. crowded ; 

 s. 5 6 cm. hollow, smooth, cartilaginous, tough, rooting ; sp. 9 10 

 x7 8. 



T. album differs in having no smell, and T. inamoenum in strong 

 disagreeable smell and very broad gills. 



* * Gills discoloured. 



acerbum, Bull. P. 7 10 cm. expanded, margin at first involute, 

 sulcate and rugulose, viscid, whitish then tinged rufous ; g. narrow 

 rufescent ; s. 5 8 cm. pale, apex squamulosc ; sp. subg. 5 6. 



militare, Lasch. Smell and taste unpleasant. P. 8 15 cm. 

 convex, gibbous, margin even, viscid, cinnamon ; g. white, torn, then 

 spotted ; s. 7 11 cm. solid, squamulose, pallid, base subbulbous ; sp. 



Differs from T. civile in strong smell and spotted gills. 



civile, Fr. P. 6 8 cm. soft, soon exp. glabrous, moist, pale 

 yellow brown, cuticle separable ; g. crowded, white then yellowish ; 

 s. 5 8 cm. solid, soft, fragile, fibrillosely squamulose, whitish ; sp. 



duracinum, Cke. P. 5 8 cm. convex, gibbous, even, dry, 

 shining, grey with olive tinge ; g. arcuate, grey ; s. 4 6 cm. reticu- 

 lately squamulose above, striate below, greyish white ; sp. - . 



irinum, Fr. P. spongy-compact, convex then plane, moist, 

 obsoletely innately virgate, flesh-colour then pale, edge even, pruinose; 

 crowded, narrow, quite entire, greyish then lurid; s. solid, sub- 

 bulbous, reticulately fibrillose. 



personatum, Fr. P. 6 10 cm. regular, obtuse, even, glabrous, 

 margin invol. and downy, tan or with a lilac tinge ; g. rounded-free, 

 crowded, broad, violet then dingy; s. 57 cm. solid, stout, dingy 

 purple, villose ; sp. 8 10 x 5 6. 



Flesh of stern white. In T. nudum tinted violet 



saevum, Gillet. P. 69 cm. convex then plane, buff, margin 

 naked, flesh thick; g. crowded, narrow, pallid; s. 2 3 cm. long, 

 2 cm. or more thick, purple, slightly squamulose ; sp. 7 x 5. 



Differs from T. personatum in the short, stout, squamulose stem, 

 and absence of purple tint on gills. 



[glaucocanum, Bres. P. rather soft, convex, exp. glabrous, edge 

 involute subflocculosely pruinose, glaucous-grey ; g. closely crowded, 



