Hymenogaster HYMENOGASTRACE^E 493 



2111. H. mutieus B. & Br. (from the absence of a base ; muticus, 



curtailed, blunt) a b. 



Globose, scarcely lobed. Pe. at length much cracked, white 

 then brownish. Gl. almost destitute of a sterile base, some- 

 what firm and dry, cells loose, pale yellowish-brown. 



Odour slight. Nov. Diam. f in. 



2112. H. luteus Vitt. (from the yellow gleba ; luteus, yellow) a b c . 

 Irregularly globose or ovate, sometimes deformed. Pe. very 



thin, soft, silky, white to brownish. Gl. bright yellow. 

 Almost scentless or slightly sweet, becoming fetid. Sept.-Mar. Diam. I in. 



2113. H. lyeoperdineus Vitt. (from the shape, like a small puff-ball, 



Lycoperdon) a b c. 

 Subglobose, somewhat deformed, varied in form, plicate at base. 



Pe. smooth, white then pale whitish-salmon to brownish. Gl. 



soft, elastic, with somewhat large, irregular cavities, pallid to 



pale fuliginous. 

 Gregarious. Odour strong, onion-like, unpleasant when dry. In earth and 



clay. Nov. Diam. i in. 



2114. H. deeorus Bull, (decorus, seemly) a b c. 



Irregularly globose or oval, sometimes slightly deformed. Pe. 



dull white becoming yellowish in places. Gl. lilac-brown at 



length blackish. 

 Woods, tan-pits. Oct. -Nov. Diam. if in. 



2115. H. vulgaris Tul. ex B. & Br. (from its commonness ; vulgaris> 



common) a b c. 

 Subrotund, irregular, often indented, somewhat soft. Pe. white, 



becoming discoloured. Gl. with rather large irregular cavities, 



dull white then dark brown. 

 Gregarious or subcsespitose. Loose soil. July-Oct. Diam. f in. 



2116. H. pallidus B. & Br. (from the pallid peridium) a b. 

 Rounded, depressed. Pe. nearly smooth, somewhat soft, white, 



then dull tan-colour. Gl. without a sterile base, white, yellow, 

 then pale brown. 

 Odour weak. Fir plantations. Oct. Diam. in. 



2117. H. eitrinus Vitt. (from the colour ; ritreus, lemon-yellow) a b c . 

 Irregularly globose or ovate, lobed, indented, deformed. Pe. 



shining as if silky, greenish-lemon when young, then lemon, 

 golden-yellow, bright brassy-yellow or sulphur-cream, becoming 

 rufous-black. 



Used as food in past times by country folk in the truffle districts of England. 

 Odour, which communicates itself to anything near, strong of cheese. 

 May-Dec. Diam. ij in. 



2118. H. olivaeeus Vitt. (from the colour of the gleba, like a ripe 

 olive) (i b c. 



Irregularly globose or ovate, lobed, indented, deformed. Pe. at 

 first silky, whitish or faintly lemon, becoming rufescent when 



