LACTARIUS. I07 



red. Fr. Monogr. ii. p. 173. Hym. Eur. p. 433. Sv. at I. Sv. t. 11. Berk. Lactarius. 

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

 Scop.— Krombh. t. 39./". 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 umbonate, the surface wholly broken 

 up into granidoso-squamulose flocci ; flesh soft, of the same colour 

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

 {/4. in.) and more thick, stuffed, or stuffed then hollow, moder- 

 ately firm but soft, equal, brick-colour incli?iing to pale, every- 

 where slightly prui?iate, and somewhat tomentose at the base. 

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

 2-3 mm. (i-i)4 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 sphceroid, echinulate, 6-7 mk. K. Name — helvus, pale yellowish ; 

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

 Supp. Scot. Nat. 1881, p. 36. Ag. Krotnbh. t. 40./. 17, 18. 



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

 first convex, acutely zimbonate, depressed o?i 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. ijo.f. 2. Grevillea, vol. viii. p. 98. Quilet t. 11./. 6. 



34. L. glyciosmus Fr.— Pileus 2.5-5 cent - ( I_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 - ( I_2 m< ) l° n £> 4~8 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 



