THE WHITE-SPORBD AGARICS 



167 



Figure 129. Lactarius deceptivus. 



them forked, whitish, becoming 

 cream-colored. 



The stem is one to three inch- 

 es long, equal or narrowed 

 downward, solid, pruinose- 

 pubeseent, white. Spores are 

 white, 9-12.7^. Milk white, 

 taste acrid. 



This plant delights in woods 

 and open groves, especially un- 

 der coniferous trees. It is a 

 large, meaty, acrid white 

 species, with a thick, soft, cot- 

 tony tomentum on the margin 

 of the pileus of the young plant. 



The specimen photographed 

 was sent me from Massachus- 

 etts by Mrs. Blackfoird. It 

 grows in July, August and 

 September. Its sharp acridity 

 is lost in cooking, but like all 

 acrid Lactarius it is coarse and 

 'not very good. 



Lactarius indigo. (Schw.) Fr. 



Figure 130. Lactarius indigo. One-third natural 

 size. Entire plant "indigo blue. 



This is one of our most striking 

 plants. No one can fail to recog- 

 nize it, because of the- deep indigo 

 blue that pervades the whole plant. 

 I have found it in only one place, 

 near what is known as the Lone- 

 Tree Hill near Chillicothe. I have 

 found it there on several different 

 occasions. 



The pileus is from three to five 

 inches broad, the very young plants 

 seem to be umbilicate with the 

 margin strongly incurved, then de- 

 pressed or . funnel-shaped ; n as the 

 plant ages the margin is elevated 

 and sometimes waved. The entire 

 plant is indigo blue, and the surface 



