44: JoURlSrAL OF THE MiTCHELL SoCIETY \_June 



SO, azonate, smooth but with the fine irregularities of a Russula stem, 

 and in some plants inherently fibro-squamulose near the margin ; color 

 pale grayish buff (about tilleul buff of Ridgway) or a somewhat 

 darker avellaneous color, often with a tint of lilac. Flesh white, 

 toughish, about 3.5 mm. thick near center, thinning rapidly to 1 mm. 

 or less. Milk watery white, scarcely peppery, bitterish, not abundant, 

 scarcely any odor. 



Gills moderately close, none forked, 5 mm. wide in middle, pointed 

 at both ends, scarcely decurrent, nearly white when young, then pale 

 fleshy buff, then slightly darker, pruinose with spores in age, dingy 

 when wounded. 



Stem slender, up to 5.5 cm. long, 8 mm. thick at cap, enlarging 

 downwards or upwards, smooth above, somewhat fibrous below, color 

 and texture of cap or paler. Flesh white, soft inside, and occasion- 

 ally partly or decidedly hollow. 



Spores (of No. 1928) about straw color, subspherical to short ovate, 

 warted, 5.9-6.6 x 7.4-8.2iti. 



311. Very low leafy place near Howell's Branch, September 29, 1911. 



327a. In leaf mold near branch below Howell's Spring, October 4, 1911. Cap 

 smooth, lead color with a tint of lilac, somewhat viscid. Spores sub- 

 spherical, warted, about 4.5-5.4 x 5.5-6.5^ in diameter. 



576. On ground in low place near branch below Howell's Spring, October 17, 

 1912. Photo. 



773. Along Battle's Branch and Howell's Branch, September 16, 1913. Photo. 

 This plant was just as above except cap was not viscid. Spores sub- 

 spherical, one large oil drop. 5.5-7.4^ in diameter. 

 1928. In thin woods across Battle's Branch from Indian Spring, October 25, 

 1915. Photo. One cap had a smaller one growing on it. 



Blowing Rock. Atkinson. 



North Carolina (Pisgah Forest?). Burlingham. 



Asheville. Beardslee. 



36. Lactarius helvus Fr. 



L. aquifluus Pk. 

 We have not found in Chapel Hill any plant that we could confi- 

 dently refer to this species, and take the following from Miss Bur- 

 lingham (Mem. Tor. Bot. Club 14:74. 1908). For comparison of 

 this and L. rimosella see under that species. 



