CLASSIFICATION 155 



covered with olive gluten, becoming umber, edge yellowish olive 

 and incurved when young ; gills adnato-decurrent, pale straw- 

 colour, brown when bruised ; stem 13-3 in. long, olive ; milk 

 white, acrid. 



Known by the olive tone of cap and stem. 



In woods. 



L. controversus. — Cap 3-5 in. across, convex, then depressed, 

 whitish at first, then viscid, reddish and with red zones, edge 

 strongly incurved when young ; gills decurrent, with a tinge of 

 tlesh-colour ; stem about 2 in. long, often excentric, stout, white ; 

 milk white, acrid. 



In woods and pastures. 



L. piihcscens. — Cap 2-3 in. across, becoming depressed, zoneless, 

 white, tinged flesh-colour, edge incurved, downy ; gills adnato- 

 decurrent, tinged flesh-colour ; stem short, pale flesh-colour, then 

 pale ; milk white, very acrid. 



Among grass. 



L. aspideus. — Every part dingy straw-colour ; stem and gills 

 paler than the cap. Milk white, changing to lilac. Cap 2-4 in. 

 across. 



Differs from L. nvidus, which also has milk that changes to lilac, 

 in the narrow gills and zoneless cap. 



In damp meadows, etc. 



** Cap with a viscid pellicle, edge naked. 



L. utilis. — Cap 5-8 in. across, depressed, tan-colour ; gills 

 adnate, crowded, pallid ; stem 2-3 in. long, stout, coloured like 

 the cap ; milk white, rather acrid. 



In woods. 



L. insulsiis. — Cap 3-4 in. across, becoming infundibuliform, 

 rigid, zoned, smooth, yellowish brick-red, the viscid pelhcle sepa- 

 rating ; gills decurrent, crowded ; stem 1-2 in. long, palhd ; milk 

 persistently white, acrid. 



Superficially resembling L. deliciosus, which differs in the red 

 milk. 



In pastures. 



L. zonariiis. — Cap 2-4 in. across, convex, then depressed, edge 

 smooth, for a long time incurved, viscid, pale orange or pinkish 

 yellow, often zoned ; gills adnately decurrent, whitish, then dingy 

 yellow, greenish when bruised ; stem 2-3 in. long, whitish, then 

 yellowish ; milk white, acrid. 



Among grass. 



L. fluens. — Cap fleshy, convex, slightly viscid, blackish olive, 

 scarcely zoned distinctly, not polished, edge pale, 3-4 in. broad ; 

 gills adnate or adnato-decurrent, at first ochraceous, then pale 

 greyish ochre ; stem solid, somewhat viscid, narrowed towards the 



