28 Tricholoma. 



grammopodium, Bull. P. 7 12 cm. camp. conv. then depr. 

 umb. glabrous, ruddy then pallid; g. arcuato-adnate, crowded; s. 

 7 10 cm. stuffed, coarsely striate, glabrous, pallid ; sp. 7 8 x 4. 



[strictipes, Karst. P. soft, gibbous, plane or depr. white or 

 yellowish-white, centre often tinged ; g. closely crowded, shining 

 white, entire; s. solid, equal, cylindrical, base usually thickened, 

 straight, white, glabrous ; sp. 6 9 x 4 5. 



brevipes, Bull. P. 3 6 cm. brown then pale, glabrous, convex 

 then plane ; g. crowded, tinged fuscous then pale ; s. 2 25 cm. solid, 

 rigid, brown outside and inside ; sp. 7 x 4. 



humile. Pers. P. 5 8 cm. umb. then convex or depressed, even, 

 glabrous ; g. crowded, ventricose ; s. 3 5, greyish white, villosely 

 pulverulent, stuffed ; sp. 7 8 x 5. 



Differs from T. brevipes in pale stem and tufted habit 



exsiccum, Fr. P. 3 5 cm. exp. then umb. greyish brown then 

 hoary ; g. crowded, narrow, pure white ; s. 2 3 cm. solid, glabrous, 

 rather shining ; sp. 6 7 x 4. 



subpulverulentum, Pers. P. 2 3 cm. greyish white, pulveru- 

 lent, convex then depr. even, extreme edge persistently incurved; 

 g. crowded, narrow, white ; s. 34 cm. solid, whitish, slightly striate; 

 sp. 5x3. 



[persicinum, Fr. P. obtuse, even, glabrous, flesh-colour then 

 pale ; s. cartilaginous, glabrous ; g. arcuate, white. 



[Juranum, Q. Obtuse, rufous then pale, white-floccose, margin 

 crenulate,. mealy ; g. white, crowded; s. solid, white, apex mealy. 



* * Gills violet, grey or smoky. 



[urbum, Fr. P. campan.-exp. brownish black with bluish tinge, 

 subumb., margin straight ; g. densely crowded, like flesh, bluish white; 

 s. incurved, fibrillose, bulbous. 



sordidum, Fr. P. 2'5 7 cm. plano-depr. subumb. glabrous, 

 brownish lilac then dusky; g. rounded, dingy violet then dusky; 

 s. 4 5 cm. coloured like p. fibrillosely striate, slightly curved as a 

 rule ; sp. 7 8 x 3 4, minutely rugulose. 



Differs from T. nudum in being smaller, tougher, and hygro- 

 phanous. 



var. Feuilleauboisii, Lucand and Quel. The broadly gibbous p. 

 and s. dark umber ; g. deep violet. 



paedidum, Fr. P. 23 cm. soon depr. round conical umbo, 

 smoky grey, somewhat streaked ; g. crowded, adnexed, narrow, white 

 then greyish ; s. 23 cm. dingy grey, slightly striate base thickened ; 

 sp. 1 1 1 x 5 6. 



Differs from T. sordidum in having no trace of violet colour 

 T. lixivium differs in the free truncate gills. 



lixivium, Fr. P. 58 cm. greyish brown, soon plane and umb. 

 margin expanded, membranaceous, striate; g. truncato-free, grey; 

 s. 56 cm. grey, whitish floccose, often flexuous ; sp. 7 x 45. 



