GENERA AND SPECIES OF MUSHROOMS 



The sooty lactarius is a very noticeable species, well 

 marked by its dark-brown color, velvety appearance, its 

 long stem and by the fact that its gills, when wounded, slowly 

 turn a reddish color. It is an excellent edible species. Peck. 



Lactarius piperatus; peppery lactarius. Plate XI, Species 

 75- 



On ground in woods; summer and autumn; taste very 

 acrid; edible when properly prepared. 



Cap fleshy; thick; firm; convex when young; white, often 

 rough and covered with dirt and debris; when mature, it be- 

 comes depressed at the center or funnel-shaped; 3 to 5 inches 

 broad; flesh white; exuding white milk when broken. 



Gills white; very narrow; very much crowded together; 

 some of them are forked. 



Stem short; soHd; cylindric or tapering downward; thick; 

 I to 3 inches long. 



Spores white; smooth; oval with a small point; 5-7 x 4-5 

 microns in diameter. 



This species is very hot and peppery to the taste and 

 yields abundant white milk. It resembles Russula delica. 

 Atkinson. 



In young plants the milk pervades the whole structure. 



Lactarius subdulcis ; sweetish lactarius. Plate XI, Species 

 76. 



On ground in or near woods; July to October; edible. 



Cap thin; fleshy; knob at center (umbonate) when young, 

 becoming funnel-shaped when old; tawny or brownish-red; 

 dry; smooth; margin turned in when young; spreading when 

 old and sometimes wavy; flesh firm; fragile; tinged with tan; 

 milk white, mild or slightly bitterish; K to 2>^ inches broad. 



Gills whitish or tinged with brownish-red; dusted when 

 old; close together; sometimes forked; attached to the stem 

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