171 



Scauri 



1. Lamellae at first white or pallid. 

 Lamellae at first blue, purple or violet. 

 Lamellae at first yellow or brownish. 

 Lamellae at first olivaceous. 



2. Pileus dark bluish-violet, brown punctate. 

 Pileus light red. 



Pileus yellow. 



Pileus reddish-brown or orange brown. 



Pileus white or whitish. 



3. Pileus reticulate-rugose. 

 Pileus smooth. 



4. Lamellae crowded. 

 Lamellae not crowded. 



5. Pileus blue when young, fading to argillaceous. 

 Pileus pale ochraceous. 



Pileus dark reddish-brown to olivaceous. 



6. Flesh blue. 

 Flesh yellow. 

 Flesh white. 



7. Stipe ochraceous ; pileus with red fibrils. 

 Stipe white. 



8. Stipe silky, striate. 

 Stipe smooth, shining. 



9. Pileus spotted ; stipe striate. 

 Pileus not spotted ; stipe silky. 



Elastic! 



Lamellae at first white. 

 Lamellae at first violet-purple. 

 Lamellae at first brownish. 

 Pileus reddish-yellow. 

 Pileus ochraceous. 

 Pileus cinereous. 



Myxacium 



Stipes fioccose, the flocci at first covered with glutin. 

 Stipes viscid, not fioccose. 



Collin iti 

 Lamellae at first white, pallid or argillaceous. 

 Lamellae at first yellow or brownish. 

 Pileus orange brown. 

 Pileus fuscous or ochraceous. 



Lamellae at first bluish-argillaceous ; stipe fioccose. 

 Lamellae at first white ; stipe silky. 

 Stipe subconcolorous, fioccose. 

 Stipe white or lilac tinted, silky tomentose. 



2. 

 5- 

 7- 

 9- 

 C. caesius Clem. 

 C. sub later itius Pk. 



3- 

 C. color a tits Pk. 



4- 



C. corrugatus Pk. 



C. intrnsus Pk. 



C. albidus Pk. 



C. communis Pk. 



C. caerulescens Fr. 



C. Copakensis Pk. 



6. 



C. purpurascens Fr. 



C. glaucopus (Schaeff. ) P"r. 



C. calochrous ( Pers. ) Fr. 



C. virgatus Pk. 



8. 



C. luteo-fuscus Pk. 



C. turbinatus (Bull.) Fr. 



C. scaurns Fr. 



C. olivaceus Pk. 



C. amarus Pk. 



C. porphyropns Fr. 



2. 



C. ophropus Pk. 



C. longipes Pk. 



C. lapidophilus Pk. 



Section Colliniti. 

 Section Delibuti. 



C. muscigemis Pk. 



5- 

 4- 



C. collinitus (Pers.) Fr. 



C. mucosas Fr. 



C. sphaerisporus Pk. 



C. elatior pallidifolius Pk. 



