Tricholoma Eussula. 29 



[rasile, Fr. Soft. P. campan.-exp. umb. fibroso-virgate, undulate, 

 fuliginous ; g. connected by veins, greyish-umber, edge white floccose ; 

 s. equal, fibrillose. 



[favillarum, Fr. P. exp. depr. round umbo, even, glabrous, 

 moist, edge spreading, even, whitish when dry ; g. closely crowded, 

 greyish. 



putidum, Fr. Smell strong, rancid. P. 2 3 cm. umb. even, 

 soft, olive grey, hoary when dry ; g. adnexed, crowded, grey ; s. 2 3 

 cm. greyish, pruiuose ; sp. 8 10 x 3 5. 



Coll. rancida differs in glabrous, rooting stem. 



[hospitans, Fr. Shining white, campan. obtuse, even, edge 

 straight, adpressed to stem at first ; g. free, very ventricose ; s. solid, 

 fibrous, glabrous, apex pruinose. 



Resembling a Mycena but s. solid and fibrous. 



RUSSULA, Fr. 



I. TASTE MILD. 



* Gills ochraceous (not clear yellow). 



alutacea, Fr. P. 4 10 cm. viscid, exp. depr. red, dark purple, 

 disc becoming pale, at length striate and tuberculose at margin, flesh 

 white ; g. broad, rather distant, ochre, naked ; s. 4 5 cm. white or 

 tinged red ; sp. 79. 



Differs from R. Integra in gills not being powdery. 



Integra, Fr. P. 8 12 cm. viscid, exp. depr. red or greenish, 

 margin at length sulcate and tuberculose, flesh white; g. broad, 

 yellow, powdered with the ochre spores ; s. 4 5 cm. even, ventricose, 

 white; sp. 9 10. 



var. alba, Cke. Whole fungus except gills creamy white. 



xerampelina, Fr. P. 7 10 cm. compact, exp. then depr., dry, 

 rosy purple sometimes tinged olive, disc paler, cracked into granules, 

 flesh tinged yellow ; g. forked, white then ochre ; s. 4 7 cm. clavate, 

 white, more or less tinged red ; sp. 8 10 x 6 7. 



Differs from R. Integra by narrow gills not powdered with the 

 spores. 



nauseosa, Fr. Smell strong. P. 3 4 cm. viscid, plane then 

 depr., purple or lilac, disc darker, coarsely striate ; g. rather distant, 

 ochre ; s. 2 3 cm. slightly striate, white ; sp. 8 9. 



R. nitida differs in the yellow, shining gills. 



var. flavida, Cke. P. primrose yellow. 



vitellina, Fr. Strong scented. P. 23 cm. soon plane, yellow, 

 edge tuberculose, striate ; g. saffron ochre ; s. 2 3 cm. slender, white ; 

 sp. 78. 



Differs from R. lutea in strong smell and tuberculose margin. 



var. major, Cke. Similar to type, but larger. 



