Rwsula. 35 



f f Pileus red or purple. 



rubra, Fr. P. 3 9 cm. rigid, convex exp. depr. dusky blood red 

 or with a tinge of purple, polished and even when dry ; g. adnate 

 whitish ; s. 4 7 cm. hard, white sometimes tinged red ; sp. 8 10. 



Differs from R. atropurpurea in very acrid taste. 



drimeia, Cke. ( = R. expattens, Gil.). P. 5 9 cm. firm, exp. depr. 

 bright purple to rose colour; g. clear yellow; s. 4 8 cm. purple, 

 paler than p. ; sp. 7 9. Intensely acrid. 



veternosa, Fr. P. 4 5 cm. plano-depr. rosy or flesh colour then 

 pale, slightly viscid; g. adnate, narrow, white then straw colour; 

 s. 5 8 cm. spongy then hollow, white ; sp. 7 9. 



maculata, Q. P. 5 8 cm. thin, firm, exp. viscid, reddish flesh- 

 colour, then pale and blotched brownish ; g. sulphur then peach 

 colour; s. 3 4 cm. white or tiuged rose, then spotted ochre; 

 sp. 910. 



Differs from R. depallens in being smaller, acrid, and stem not 

 grey. 



serotina, Q. P. 2 2'5 cm. globose then more or less exp. purple 

 brown or olive, edge lilac, with white bloom at first ; g. almost free, 

 white then tinged yellow ; s. 2 3 cm. white ; sp. 8 9. 



* * Gills white. 

 f Pileus ochraceous or umber. 



ochroleuca, Fr. P. 7 9 cm. exp. depr. viscid at first, ochraceous 

 then pale, disc cracked into granules, margin almost even ; g. rounded 

 behind, broad, subequal, whitish ; s. 4 7 cm. soft, white then grey, 

 reticulately rugulose ; sp. 8 9. 



Differs from R. granulosa in stem becoming grey. 



granulosa, Cke. P. 4 7 cm. exp. often depr. viscid at first, 

 ochraceous, disc darker and granular ; s. 4 7 cm. white, granular ; 

 g. nearly free, white ; sp. 11 12. 



Close to R. ochroleuca, differing in granular persistently white 

 stem. 



foetens, Fr. Foetid. P. 7 12 cm. bullate, then exp. and depr. 

 rigid, viscid, edge at first incurved, tuberculato-sulcate, ochraceous 

 then pale ; g. very unequal, forked, whitish ; s. 4 5 cm. soon hollow, 

 whitish ; sp. 8 10. 



[foetida, C. Mart. Smell foetid, P. viscid, sulcate, yellow- 

 brown, flesh under cuticle brown, rest white ; g. forked near stem, 

 white then yellow; s. very fragile, hollow, white, often spotted red 

 below. Mild. 



consobrina, Fr. P. 6 8 cm. exp. depr. viscid, edge even, brown 

 or dark grey, flesh grey under the cuticle ; g. forked, white ; s. 

 4 6 cm. white then grey ; sp. 8 9 x 7. 



var. sororia, Fr. Edge of p. striate. 



pectinata, Fr. Smell nauseous. P. 5 7 cm. exp. then depr. or 



