CLASSIFICATION OF AGARICS . 123 



(e) Pileus 2-6 cm. broad. 



(f) Spore-mass pure white; stem white, fragile. 



(g) Pileus uniform rosy-red; gills close to subdistant. 131. 



R. fragilis Fr. 

 (gg) Pileus rosy-red on margin, disk olivaceous or pur- 

 places. 132. R. fallax Cke. 



plish and livid; gills subdistant; usually in mossy 

 (ff) Spore-mass creamy white; stem white or rosy, 

 (g) Pileus rigid, not striate, soon dry; cuticle adnate, 



unpolished, red. 115. R. subpunctata sp. nov. 

 (gg) Pileus subfragile; pellicle separable and striate on 

 margin, viscid, shining rosy-red. 134. R. rosacea 

 Fr. R. sanguinea Fr. 

 (ee) Pileus 5-10 cm. broad, rarely larger. 



(f) Rigid. Pileus dark r.ed, not fading, cuticle adnate, even 



on margin. 118. R. atropurimrea Maire. 

 (ff) Fragile; pileus rose-red to scarlet, 

 (g) Taste tardily acrid. 130. R. mgulosa Pk. 

 (gg) Taste quickly acrid. 



(h) On sphagnum; in troops. 129. R. emetica var. 



gregaria. 

 (hh) On debris of very rotten wood and on the ground. 

 129. R. emetica Fr. 

 (cccc) Pileus some shade of brown, yellowish, etc. 



(d) Odor aromatic, becoming foetid; pileus very striate. 

 (c) Pileus 7-12 cm. broad, sordid yellowish-whitish. 111. R. 



foetetis Fr. 

 (cc) Pileus 3-7 cm. broad, pale livid ochraceous; base of stem with 

 rusty-red stains. 110. R. foetentula Pk. 

 (dd) Odor not aromatic. 



(e) Pileus 6-12 cm. broad, straw-color to ochraceous-reddish, 



rigid, not striate. 107. R. ochraleucoides sp. nov. 

 (ee) Pileus 3-6 cm. broad, 

 (f) Taste acrid; pileus grayish-brown, substriate. 113. R. 



sororia Fr. 

 (ff) Taste mild. 



(g) Pileus yellow or yellowish, at least when young, not 

 ashy under the cuticle, 

 (h) Pileus 5-8 cm. broad, scarcely striate in age, chrome 



yellow; stem yellow. R. flavida Frost, 

 (hh) - Pileus 3-5 cm. broad, very tuberculate-striate in 

 age, at first sulphur-yellow then dingy yellowish- 

 brown. 109. R. Pulverulenta Pk. 

 (gg) Pileus pale yellowish-brown, ashy under the cuticle, 

 strongly striate. 112. R. pectinatoides Pk. 

 (bb) Spores and gills some shade of ochraceous, yellowish or creamy- 

 yellowish (spore-print necessary), 

 (c) Stem whitish, changing to ochraceous-brown where bruised or 

 handled; odor disagreeable in age; color of pileus purplish- 

 red, olivaceous, yellowish, etc., very variable, colors mixed. 121. 

 R. xerampelina Fr. 122. R. squalida Pk. 

 (cc) Stem not with this peculiarity. 

 (d) Pileus some shade of red. 

 (e) Taste acrid; fragile. 



(f) Pileus reddish-buff to purplish; spores pale yellow; in 



swamps. 137. R. 'palustris Pk. 

 (ff) Pileus rosy-red to scarlet. 



(g) Gills straw yellowish to pale ochraceous; margin of 



pileus even, rather firm. 135. R. veternosa Fr. 

 (gg) Gills deep ochraceous-yellow; margin of pileus striate, 

 gills and pileus fragile. 136. R. temiiceps Kauff. 

 (ee) Taste mild. 



