Jakob E. Lange: Studies in the Agarics of Denmark. II. 41 



Fig. specim. : Langesø, amongst grass behind a shed, in 

 outskirts of wood of Fagus, Aug. 1913. 



A substerile form ; the gills at first pale pinkish-ochre, then 

 dark grayish-brown. Spores paler than in the type. 



9. C. lagopus Fr. 



Spores oval, ll 1 /,— HVi x 7*/i M (I) or 10x6|a (II). Gystidia large, 

 vesiculose, ovate or oblong, about 12—25 u broad. Pilose scales 

 formed of long septate filaments (which are hyaline or pale 

 brownish), 15—18 u broad (1914). 



Fig. specim.: I. Hjallese, on the ground alongside a path in 

 copsewood, July 1897. II. similar locality, Aug. 1897. — Rather 

 common on the ground and on rubbish-heaps, in shady places. 



[C. tomentosus Bull. I have often seen specimens which 

 answer perfectly to the description of C. t., but I am unable to 

 distinguish them from large specimens of C lagopus. They 

 grow in similar localities. — Ricken's fig. of C. t. suggests C. 

 domesticus]. 



10 a. C. fimetarius (L.). (C. macrorhizus Pers.). 



Spores oval, 9—11 x6-7fi. Cystidia solitary, large, conic-ovate, 

 up to 60 u long and about 35 u broad. (1914: Spores 10— ll 1 /-,^ 

 long, opaque, blackish-brown). 



Fig. specim. : Hjallese, on horse-dung in manure-shed, July 

 1897. — Very common on dunghills; out of doors chiefly in 

 July— Sept., in sheds etc. to be met with almost all the year 

 round. 



10 b. C. fimetarius (L.) var. 



Spores oval, 11—15 x 7— 9u (mostly 13—14 x 7 1 /»— 8 u), opaque, 

 almost black. Cystidia large, vesiculose, about 40 u broad. 



Fig. specim.: Hjallese, on rotten hay, Nov. 1912. 



Smaller than no: 10a. Cap very soon naked; stem slender, 

 translucid, at first sparsely clad with long hairs, soon absolutely 

 glabrous. — This form connects 10 a and 11, but has larger 

 spores than either. 



11. C. radiatus (Bolt.). 



Spores oval, 11— 127 2 X 67 2 — 7 1 /, u. Scales on cap formed of 

 rows of cylindric or ovate cells. 



Fig. specim.: Hjallese, on horse-droppings in wood, Aug. 1904. 

 — Very common, in wood and field, in moist weather. 



Inodorous. Is almost a miniature of no. 10 a, the unexpanded 

 cap only 1—5 mm high and the stem filiform (V 3 — V2 mm thick). 



C. pilosus Beck I consider synonymous. 



