18 FUNGUS-FLOEA. 



Undergroimd. Sutglobose, or irregularly lobed, solitary 

 or gregarious, about 1 in. 



Hymenogaster pallidus. B. & Br. 



Subglobose or depressed; white, then dirty buff, rather 

 soft, sterile base obsolete; within at first white, passing 

 through yellow to pale brown; spores lanceolate, acute, 

 rather rough, brown, 30-36 X 12-14, fi. 



Hymenogaster pallidus, B. and Br., Berk., Outl. 296 ; Cke., 

 Hdbk. 1058 ; Mass., Mon. Gast., p. 44, f. 17. 



Underground under firs. From ^-^ in., distinguished 

 from S. vulgaris by its paler colour and more acute spores, 

 which usually fall away with the short sterigma attached. 



Hymenogaster citrinus. Vitt. (fig. 8, p. 11.) 

 Subglobose, often gibbous, shining as if silky ; yellow, 



then rufous-black, same colour within ; spores lanceolate, 



apiculate, reddish-brown, rugulose, 40 x 17-20 /j.. 



Hymenogaster citrirms, Vitt., Berk., Outl. 296 ; Cke., Hdbk., 



n. 1057 ; Mass., Mon. Gast., p. 45, f. 8. 



Undergrounds From f-J in. across. Distinguished by 



the yellow tramal plates, the large brown, lanceolate spores, 



and the cheesy smell. 



Hymenogaster olivaceus." Vitt. 



Angularly globose, at first silky, whitish, brownish when 

 bruised ; inside white at first, then passing through buff to 

 olive, tramal plates persistently white ; spores broadly fusi- 

 form, mucronate, brown, generally quite smooth, 25-30 x 

 13-14/1. 



Hymenogaster olivaceus, Vitt., Berk., Outl. 296 ; Cke., Hdbk. 

 1060; Mass., Mon. Gast., p. 45, f. 16. 



Underground in woods. Size variable, from f-lj in. 

 Allied to H. citrinus : distinguished by its paler and smoother 

 spores ; in fact, the spores are generally quite smooth, some- 

 times slightly rugulose ; the sterigmata remain attached to 

 the spores as a rule. 



Tar. modestus, B. and Br. 



Spores narrowly fusiform, pale amber, 26-26 x 8-10 fa. 



Hymenogaster tener. Berk. (fig. 5, p. 11.) 

 Subglobose, rather soft, white, silky, sterile base well 



