Murrill: Agaricaceae of the Pacific Coast 



235 



Type collected on the ground in woods near Seattle, Washing- 

 ton, October 20-November i, 191 1, IV. A. Murrill j^p. Also 

 collected at the same time in the same region, W. A. Murrill 

 622. In the latter collection, one pileus has the cuticle ruptured 

 concentrically and the scales drawn together into rather coarse 

 gemmate warts or ridges. 



12. Lepiota concentrica sp. nov. 



Pileus rather thick, convex to subexpanded, scarcely umbo- 

 nate, solitary, 3-4 cm. broad; surface dry, white with yellowish 

 tints between concentric rows of coarse, strigose-floccose, lateri- 

 cious, raised scales formed from the deeply ruptured cuticle, the 

 unruptured central portion being fuliginous ; margin uneven, 

 eroded, bearing fragments of the fugacious white veil ; lamellae 

 white, free, rather broad and close ; spores ovoid, smooth, hya- 

 line, 6X3-5/*; stipe tapering upward, decorated with fibrils 

 from the veil, hollow, white above, crenieous and more shaggy 

 below, 7-9 cm. long, 5-15 mm. thick. 



Type collected on the ground in woods near Seattle, Wash- 

 ington, October 20-November i, 191 1, W . A. Murrill 58 y. Also 

 collected in the same region, Zeller loj. Related to Lepiota 

 fuscosquamea Peck. 



13. Lepiota roseifolia sp nov. 



Pileus regular, convex to subexpanded, solitary, 4 cm. broad; 

 surface dry, shining, innate-fibrillose, radiate-rimose, smooth and 

 glabrous at the center, castaneous, blackish-tinted when fresh, 

 assuming a more reddish tint after picking; lamellae free, 

 crowded, slightly ventricose, regular, white when fresh, chang- 

 ing to rose-colored on drying or when bruised; spores ellipsoid, 

 smooth, hyaline, 7-8 X 3-3-5 i^; stipe equal, compressed, very 

 long because buried in leaves, hollow, smooth, glabrous, avella- 

 neous-isabelline, white at the apex, 17 cm. long, 5 mm. thick; an- 

 nulus superior, slight, fixed, fuliginous. 



Type collected in humus in a redwood forest at La Honda, 

 California, November 25, 191 1, IV. A. Murrill & L. R. Ahrams 

 1287. 



