LACTARIUS. 107 



red. Fr. Monogr. ii. /. 173. Hym. Eur. p. 433. Sv. dtl. Sv. t. n. Berk. Lactarius. 

 Out. p. 208. C. Hbk. 11. 605. S. Mycol. Scot. n. 572. Hussey i. t. 15. Ag. 

 Scop. Krombh. t. 39. f. 12-15. Paul. t. 22 bis. 



32. L. helvus Fr. Pileus 5-10 cent. (2-4 in.) broad, pale 

 yellowish-brick-colour, becoming pale, fleshy, fragile, at first con- 

 vex, then flattened, somewhat unibonate, the surface wholly broken 

 up into granuloso-squamiiloseflocci; flesh soft, of the same colour 

 as the pileus but paler. Stem 5-7.5 cent. (2-3 in.) long, 12 mm. 

 ( l / 2 in.) and more thick, stuffed, or stuffed then hollow, moder- 

 ately firm but soft, equal, brick-colour inclining to pale, every- 

 where slightly pruinate, and somewhat tomentose at the base. 

 Gills decurrent, crowded, in groups of 8, often dichotomous, 

 2-3 mm. (i-i> Hn.) broad, fragile, at first whitish, then some- 

 what flesh-colour, at length yellowish. Milk scanty, somewhat 

 acrid, white. 



Odour weak, sweetish ; taste commonly mild. It occurs most frequently in 

 marshes with watery juice, not coloured. Very much allied to L. rufus. 



In fir wood. Grantown, Morayshire. Aug. 



Spores sphaeroid, echinulate, 6-7 mk. K. Na.mebelvus, pale yellowish ; 

 dun -colour. Fr. Monogr. ii. p. 174. Hym. Eur. p. 433. S. Mycol. Scot. 

 Supp. Scot. Nat. i88i,/. 36. Ag. Krombh. t. 40. /. 17, 18. 



33. L. mammosus Fr. Pileus grey-fuscous, truly fleshy, at the 

 first convex, actitely umbonate, depressed on the umbo at length 

 vanishing, soft, everywhere clothed with depressed down, dry, 

 zoneless, the margin involute, white-pubescent. Stem moder- 

 ately short and thick, stuffed then hollow, firm, pubescent, white 

 inclining- to pale. Gills adnate, crowded, whitish, then pallid 

 ferruginous. Milk white, slowly acrid. 



Small, firm, inodorous. 



In woods. Holme Lacy, 1879. 



Name mamma, a breast. Breast-shaped. Fr. Monogr. ii. p. 174. Hym. 

 Eur. p. 434. Icon. t. 170. f. 2. Grevillea, vol. viii. p. 98. Quelet t. n./. 6. 



34. L. glyciosmus Fr. Pileus 2.5-5 cent. (1-2 in.) broad, grey, 

 brick-colour, fuscous, most frequently passing into violet, zone- 

 less, convex becoming rather plane, acutely papillate, then de- 

 pressed, the papilla vanishing, delicately innato-squamulose or 

 unpolished, opaque ; flesh white, acquiring at last a slight tinge 

 of the external colour. Stem 2.5-5 cent - ( : ~ 2 m> ) l n g 4~% mm - 

 (2-4 lin.) thick, stuffed, somewhat equal, even, pubescent, light 

 yellowish, becoming tawny when bruised, sometimes somewhat 

 silvery-whitish, especially at the apex. Gills arcuate becoming 



