Lactarius 



AGARICACE^E 



267 



to the air ; in a few cases the milk is coloured before its escape from 

 the cells ; it varies in taste from mild to intensely acrid, and is of a 

 resinous nature. 

 .. The species, except 1305, grow on the ground. The nearest allies 



Fig. 62. A, Lactarius torminosiis Fr. ; B, L. piperatns Fr. ; c, L. obliquu* Fr. ; entire and 

 in section. One-third natural size. D, Lactiferous tubes of L. subdulcis Fr. X 100. 



are found in Russula^ which has no latex. Some are edible, others 

 are poisonous. 



The Lactarii of France and Italy are popularly termed " cows " 

 or "goats"; the acrid species are called " peperone" and " poivre 

 blanc." 



The sclerotia and perfect plants of 248 sometimes grow from the 

 gills of Lactarii. Sphceronema vitrem/i (Sphtzropsidece) frequently 

 grows on the Lactarii and Russules. The mould Penicillin m macro- 

 sporum occurs on Lactarhis. Species 1245 1305 



PIPERITES. Stem central. Gills not changing colour, not pruinose. 

 Milk white, usually acrid. 



a. Tricholomoidece. P ileus viscid when moist ; margin at first 



involute and tomentose. 1245 1253 



b. Limacince. P ileus viscid when moist, pelliculose, margin 



usually naked. 12541261 



c. Piperalce. Pileus without a pellicle, dry, usually not shining. 



12621274 



DAPETES. Stem central. Gills naked. Milk from the first deeply 

 coloured. 1275, 1276 



