SUBSECTION IIYCROPHORUS 255 



confused with H. chrysaspis Metrod, in which, on diving, the lamellae 

 become reddish brown and the pileus brownish, often the disc blackish. 

 We feel certain that chemical tests will enable these two, and others, 

 to be readily distinguished when fresh, but as yet we have not had an 

 opportunity to apply the tests. 



152 



Hygrophorus cossus Fr. 



Epicr. Myc.,p.321. 1838 



Limacium cossus (Sow. ex Fr.) Wiinsche, Die Pilze, p. 118, 1877. 

 Hygrophorus eburneus var. cossus (Sow. ex Fr.) Quel., Flore Myc. 



Fr., p. 482, 1888. 

 Limacium eburneum var. cossus (Sow. ex Fr.) J. Lange, Dansk Bot. 



Arkiv. 4: 16. 1923. 



Illustrations: 

 Fig. 74. 

 Bresadola, Icon. Myc, tab. 304. 



Pileus 3-7 cm broad, obtuse with an incurved margin expanding 

 to broadly convex to nearly plane, surface glutinous and glabrous, whit- 

 ish or evenly "pale pinkish buff," at maturity becoming slightly more 

 ochraceous or flushed salmon color and retaining either tint in drying. 



Fig. 74. H. cossus 



