232 



Mycologia 



fixed, rarely ample and persistent, usually breaking up and van- 

 ishing, especially in small plants. 



Type collected on the ground in deep woods near Seattle, 

 Washington, October 20-November i, 191 1, W. A. Murrill jjd. 

 Also collected on banks in woods as follows: Seattle, Washing- 

 ton, Murrill ^04, ^46, 485, 514, Zeller 105. Related to L. crista- 

 tella Peck. 



2. Lepiota cretacea (Bull.) Morgan, Jour. Myc. 13: 3. 1907 



Lepiota cepaestipes Quel. Champ. Jura Vosg. 35. 1872. 

 . Seattle, Washington, Murrill 557. 



3. Lepiota petasiformis sp. nov. 



Pileus thin, hat-shaped, with prominent conic umbo, scattered 

 or gregarious, 1.5-2.5 cm. broad; surface dry, rosy-isabelline, or 

 about the color of the back of the hand, covered with an abun- 

 dance of fine powder; lamellae free, subdistant, rather broad, 

 white; spores ellipsoid, smooth, hyaline, minute, 3.5 X 2 w; stipe 

 slender, tapering upward, clothed with powder like the pileus, 

 reaching 6 cm. long and 2-3 mm. thick ; veil fugacious, not form- 

 ing an annulus. 



Type collected in humus in woods near Seattle, Washington, 

 October 20-November i, 191 1, W. A. Murrill 62p. Also col- 

 lected in the same region, Zeller up. It suggests some forms 

 of L. cretacea. 



4. Lepiota cristata (Bolt.) Quel. Champ. Jura Vosg. 34. 



1872 



Seattle, Washington, Murrill 556, djj, (5p5 ; Stanford Univer- 

 sity, California, McMurphy jo, 141; Berkeley, California, Har- 

 per; Santa Cruz, California, G. J. Streator. 



5. Lepiota castaneidisca sp. nov. 



Pileus fleshy, regular, convex, umbonate, gregarious, 1.5-4 

 cm. broad ; surface dry, white, with small, imbricate, avellaneous 

 to light-chestnut scales, the umbo chestnut with unbroken cuti- 

 cle; lamellae free, white, broad, ventricose, rather close; spores 

 ellipsoid, smooth, hyaline, 5-6 X 3 ; stipe cylindric, equal, hol- 

 low, glabrous, brownish-tinted, 4-7.5 cm. long, 3-10 mm. thick; 

 annulus white, superior, delicate, inconspicuous. 



