334 C. H. Kauffman 



on drying the whole plant changes color." Since the colors and 

 their changes have not been very accurately described, it seemed 

 best to give a revised description here. 



Lepiota pulcherrima Graff (Emended) (Plate XVII) 



Philippine Basidiomycetes II. Philip. Journ. Sci. Bot., 9: . 1914. 



Syn: Lepiota Candida Morgan (non Copeland). Journ. Myc, 12: 202. 1906. 

 Limacella albissima Murrill, North Amer. Flora, 10: 40. 1914. 



Entire plant white. Pileus fleshy, 1-4 cm. broad, at first sub- 

 conic-campanulate, expanded-plane, obtuse, subviscid, pelHcle thin 

 and very bitter to taste, cuticle on drying sometimes becoming 

 fine silky-scaly or minutely diffracted-scaly, margin not striate; 

 flesh thin, white, unchanging; gills free, approximate, narrow, 

 crowded, edge concolor and entire; stem 5-8 cm. long, tapering 

 gently upward, slightly subfusiform or subclavate, 2-4 mm, 

 thick at apex, 4-8 mm. below, innately silky or fibrillose-scurfy 

 below annulus, pruinose to glabrous at apex, stuffed with silky 

 fibrils then hollow; annulus membranous, erect-flaring, narrow, 

 superior, subpersistent, terminating a thin, evanescent sheath 

 which is subviscid and bitter to the taste; odor none; spores 

 small, 5-6(7.5) X 3-3.5 /x, oval-elhptical, smooth, hyaline, often 

 uniguttate; cystidia none; basidia clavate, 30 X 5-6 [i; hy- 

 menium sharply differentiated from gill-trama. 



Among forest debris on the ground, under mixed trees of 

 maple, alder and conifers, Oregon National Forest, Mt. Hood, 

 near Welch's, Oregon. September and October. Collected by 

 C. H. Kauffman and L. E. Wehmeyer. 



These plants had the color and other characters of L. pul- 

 cherrima Graff ( = L. Candida Morg ). The very bitter taste of 

 the surface of the pileus and stem in the growing condition, is, 

 however, not known to be present in that species and I have 

 omitted testing for it in collecting L. pulcherrima at Ann Arbor. 

 The slightly shorter spores of the Oregon form is the only other 

 difference I know of; those measure 5-6 /x long, while the spores 

 of the Ann Arbor collection are up to 7 . 5 /x long. It is, however, 

 too close to the latter, and future observations may show that 



