328 C. H. Kaufman 



brown disk, 7-10 cm.; annulus fringed on margin, flaring; stem 

 8-12 cm. X 6-12 mm., mealy-floccose; spores 12-16 x 8-10 (11) ii 



L. excoriata Fr.-Lange 



8. Pileus delicately floccose-scaly, white with ochraceous disk, 5-8 cm., 



annulus narrow, entire; spores 12-18 x 7-8 ju L. puellaris Fr.-Rea 



9. Flesh changing color when bruised, usually to reddish or yellowish; 



annulus fixed 10 



9. Flesh white, unchanging 17 



10. Stem ventricose-fusiform, varying to bulbous with short pointed base 11 



10. Stem either truly bulbous at base or tapermg upward from base. ... 13 



11. Cuticle of pileus diffracted into rather large concentric scales, 



fuscous to brown with rufous tints which become more pro- 

 nounced in age; gills flavescent, or tinged rufous; annulus apical, 

 membranous, erect-flaring, then collapsing 12 



11. Cuticle of pileus fawn-color, with minute blackish scales; gills 



becoming rose-color, rarely lemon-color, rubescent when bruised; 

 annulus lacerate, very fugacious, with blackish scales on its lower 

 surface; pileus 2-5 cm.; spores elliptical, 6-7 x 4 ju (Massee) 



L. meleagris Fr.-Rea (non Ricken) 



12. Pileus 5-20 cm. broad; spores 8-11 x 6-8 /jl, straw-colored to reddish 



or purplish L. }iaeniatosperma Bres. 



12. Pileus 4-8 (10) cm. broad; spores 8-10 (10.5) x 5-7 (7.5) m, white 



L. americana Pk. 



13. Spores elhptical 14 



13. Spores subglobose, 6-7 (10) /j, in diameter; pileus and concentric 



squarrulose scales white, 3-10 cm., disk ochraceous; gills white, 

 connected at inner end by a cartilaginous collar; flesh becoming 

 pinkish under cuticle and at base of stem; stem attenuate up- 

 ward from bulbous base L. nympharum Kalchbr.-Rea 



14. Pileus robust, hemispherical, diffracted-scaly; scales large, shaggy, 



often revolute, gray-brown or bay-brown, 10-15 cm.; gills very 

 remote; annulus with lacerate margin, adhering for a long time 

 to margin of pileus; stem 10-15 mm. thick, bulb large; spores 

 9-11 (12) x 6-7 iJ, L. rachodes Fr.-Lange 



14. Pileus thinner, scales minute 15 



15. Spores small, 6-7 x 3-4 p. 16 



15. Spores 10-12.5 x 6-7.5 p; pileus 5-7.5 cm., umbonate, with minute 



scurfy, brown scales, striate on margin; stem tapering upward 

 from enlarged base, 5-7.5 x 4-6 mm L. Earlei Pk. 



16. Flesh or surface of pileus and stem becoming fuliginous on drying; 



pileus 8 cm., white with rosy tints, finely floccose scaly; stem long, 

 twisted, tapering upward; gills distant L. fuliginescens Murrill 



16. Flesh turning saffron-red, finally black; pileus 5-12 cm., minutely 



scaly or hispid; stem bulbous; annulus sometimes submobile; 

 spores straw-colored L. Badhami B. & Br.-Rea 



17. Spores white in mass 18 



17. Spores green in mass; annulus mobile; pileus white, buff or brown, 



10-20 cm. jjroad, scaly, subexcoriate; stem hard, clavate below, 

 2-4 cm. thick; spores 9-12 x 6-8 p L. Morgani Pk. 



