KEY 



TO THE SPECIES OF THE GENUS RHODOPHYLLUS FIGURED IN 

 »DANMARKS AGARICACEER«. 



I. ENTOLOMA Fr. 



A. Ovisporæ (Leptonidei Fr.) 



Spores heterodiametric. Cap not hygrophanous, more or less floc- 



culose or fibrillose, dry. 



a. Stem bluish-fuscous, everywhere with darker, minute, floccu- 



lose scales \. R. dichrous. 



j3. Stem fibrillose. 



a. Cap campanulate, umbonate. 



1. Gills whitish, Stem subfuscous with dingy purplish- 

 rubescent fibrils 1. R. porphyrophæus. 



2. Gills of a sordid-gray colour. No trace of red on stem. 3. R jubatus- 



b. Cap convex or slightly depressed 4. R. griseo-cyaneus 



B. Subsphærosporæ. 



Spores isodiametric. Cap smooth. 



a. Genuini Fr. Cap not hygrophanous, subviscid. 



a. Cap and stem with a tinge of blue 5. R. madidus. 



b. Cap whitish or alutaceous. No trace of blue. 



1. Not umbonate. Cap very large (up to 20 cm). Gills 

 yellowish , 6. R. lividus. 



2. More or less umbonate. Cap smaller. Gills not yel- 

 lowish. 



* Cap convex, umbonate, medium-sized (5 — 8 cm) 7. R. prunulohies. 

 % Cap conic-campanulate, 3-4 cm 8. R. repandus. 



|3. Nolanidei Fr. Cap hygrophanous. 

 a. Cap not viscid. 



1. Large and fleshy. Cap subumbonate, lurid or sordid 



gray 9- R- ch/pealus. 



2. Slightly fleshy. 



* Stem rather long (longer than width of cap). 

 f Cap not white. 



° Cap rather large, pallid gray or livid 



§ Stem white Cap obtuse 10. R. rhodopotius. 



§§ Stem livid. Cap conic, expanding ... 11. R. turbidus. 

 § Cap smaller, ding}' date-brown. Stem grayish 



§ Umbonate 12. R. majalis. 



§§ Not umbonate 13. R. nidorosus. 



