Inocybe acystidiosa Kauffman 1924

Inocybe acystidiosa C. H. Katiffman, sp. nov
Pileus subfleshy, obtusely subconic-convex, then plane and subumbonate, 3-6 cm. broad; margin decurved; surface dry, fibrillosescaly, sordid-brown, the scales darker; context white; lamellae sinuate-adnexed, close, rather broad in front, whitish then pale-brown, the edges white-fimbriate ; stipe equal above a subbulbous base, subglabrous, fibrous-fleshy, brown, paler at the apex, white-myceUoid at the base, 2-3 cm. long, 4-8 mm. thick; spores usually angulartuberculate, dongate-subrectangular, sub triangular, with distinct nodules, 8-10 (-1 1) X 4r-6 fi; cystidia none; sterile cells clavate, on the edges of the lamellae.
Type collected on the ground under pines. Campus, Inland Stanford Jr. University, Palo Alto. Cahfomia, April 3, 1903, C. F, Baker 1872 (herb. N. Y. Bot. Card.).