232 BEPORT OF THE STATE BOTANIST 



Paxillus involutus Fr, 



Involute Paxillus. 

 Fig. 18 A young plant. 

 ' ' 19 An immature plant showing the involute margin of the cap. 

 " 20 A mature plant showing spots on the stem and gills where they have 



been bruised. 

 " 21 A plant with an eccentric stem. 

 ' ' 22 Vertical section through the center of a plant. 



' ' 23 Four spores, X 400. 



PLATE 29. 



Lactarius deliciosus Ft 



Delicious Lactarius. 

 Fig. 1 A young plant. 

 " 2 A plant with the cap partly expanded. 

 " 3 A plant with the cap fully expanded und somewhat funnel-shaped, 



the gills wounded at 3a. 

 ' ' 4 An old plant faded and tinged with green. 



' ' 5 Part of a vertical section througli the center of the cap and upper 

 part of the stem of a mature plant, showing the orange-colored 

 juice oozing from a wound in the gill at 5a, 



' ' 6 Four spores, X 400. 



PLATE 30. 



Lactarids volemus Fr. 



Orange Lactarrus. 

 Fig. 1 A young plant. 

 " 2 A plant having a small umbo in the center ot the cap. 

 " 3 A plant with :i broadly convex cap. 

 " 4 A plant with the cap somewhat funnel-sliaped. 

 " 5 A large plant with the cap broadly funnel-shaped, and the gills 



wounded, discolored and dripping the white milk at .^». 

 " 6 A plant with the margin of the cap corrugated or wrinkled on its 



surface. 

 ' ' 7 Vertical section of the cap and upper part of the stem of a small 



plant, a drop of the white juice issuing from a wound in the gill 



at 7a. 



" 8 Four spores, X 400. 



PLATE 31. 



RUSSULA. VIRESrENS Fr. 



Oreetiish RH.s.iula. 

 Fig. 1 A yoimg plant. 



2 A plant with the cap partly expanded. 



8 and 4 Two plants with the caps sHghtly striate on the margin, one 

 mature and the cap fully expanded. 



5 A mature plant with the cap fully expanded, split in two places on 

 the margin and yellowish-green in the center. 



6 Vertical section of the cap and upper part of the stem of a [>lant 

 whoj(> cap is convex. 



7 Vertical aec^tion of the cap and upper part of the stem of a plant 

 whose cap is centrally depressed. 



8 Four spores, X 400. 



