BLACK-SPOf<>F,r) AGARICS. 



51 



phi lie u liich cxteiuled between the larniiia- ot the lamelki'. Pileus 

 7 em. in Jiameter ; stem 4.^ i^'m. I<in^ by 2 cm. diameter. 



in dixinu, tile entire plant as well as the gluten becomes black, 

 on tile pileus a shiiiin^i black. 



The spores are rusty to dark brown, or nearly black, fusoid or 

 oblong, and measure 1 5-22 x 5-6 //. 



In Fig. 50 a side and under view of the plant are given, and 

 in Fig. 51 a view after a portion of the lamelku have been peeled off. 



Figure 51. — Gomphidius nigricans. Under view with portion of gills 

 stripped off from hynicnophore, showing forked character of gills 

 (natural size). Copyright 1900. 



showing how nicely the separation takes place, as well as showing 

 the forked character of the lamelkf and the processes of the pileus, 

 which extend between the lamin:r of the lamelkv. 



This plant seems to be very near GompJiidius glutUiosits (Schaeff.), 

 Fr., if not identical with it, though the illustrations cited in Schaeffer 

 and in Krombholz seem to indicate a stouter plant. The descriptions 

 say nothing as to the appearance of the dried plant. 



