Jakob E. Lange: Studies in the Agarics of Denmark. IV. 27 



2. Plant yellowish or pallid. 



* Whole plant more or less yellowish 9. R. icterinns. 



% Cap very small, pallid 10. R. minutus. 



|3. Spores isodiametric (subglobate-angular). 

 a. Cap and stem not bluish. 



1. Cap (and gills) fuscous, radiately striate 11. R. junceus. 



2. Cap pallid. Gills incarnate-whitish (vide R. minutus, 

 no: 10). 



h. Cap and stem with a glaucous tinge 12. R. roelestinus. 



IV. ECCILIA Fr. (ext). 

 (including the angular-spored Clitopili). 



A. Spores heterodiametric (subovate). 



a. Whole plant white or alutaceous. 



a. Stem slender. Cap convex, subdepressed. Gills subdecur- 



ren t 1. R. cameo-albas. 



b. Stem rather short. Cap convex-umbilicate. Gills decur- 

 rent 2. R. cancrinas. 



|3. Cap brownish or fuscous. 



a. Stem short, not cartilagineous 3. R. undatus. 



b. Stem rather long (twice width of cap or more). 



1. Cap subsquamulose-tomentose. Stem fibrillose. 4. R. Mougeotii. 



2. Cap smooth. Stem polished, glabrous. 



* Cap about 2 cm. Gills sligthly decurrent. 5. R. griseo-rabellas 

 £ Cap 1 cm or less. Gills narrow, strongly decurrent. 6. R. nigrella. 



B. Spores isodiametric (subspheric;. 



a. Gills sordid. Cap dark umber or soot-brown 7. R. rusticoides. 



|3. Gills whitish. Cap pallid with pale fuscous coarse striæ. 8. R. rhodocijli.v. 



[Spores very small (about 5 „ in diam.) almost spheric : vide 



Clitopilus (Paxillus) popinalis.l 



V. CLAUDOPUS Fr. 



Cap reniform, sordid gray; paler and silky when dry. Stem very 



short 1. R. byssisedas. 



