Genus Lepiota 323 



5. Flesh white, unchanging 15 



6. Stem distinctly clavate or subbulbous 7 



6. Stem equal, or tapering gently upward 10 



7. Plant showing red, green and blue tints when handled; pileus 1-3 



cm; at first rufous-umber, then with minute, reflexed scales; at 

 length rimose; stem 3-5 cm. long, at first white; gills broad, sub- 

 distant, spores 7-9 x 4-5 fx L. virescens Morgan 



7. Plant not exhibiting this reaction 8 



8. Plant when young vinaceous-drab; scales of pileus, the stem and 



the edge of gills becoming blackish-brown in age. (See emended 

 description.) L. brunnescens Pk. 



8. Plant at first whitish, or brownish only on the disk of the pileus, 



becoming reddish-brown when handled, or blackish-brown when 

 dried 9 



9. Spores 8-9 x 6-7 fx; pileus 2.5-4 cm., with numerous, minute, 



scales; stem 3-5 cm. long, 2-3 mm. thick at apex, subbulbous 



L. multicolor Murrill 

 9. Spores 6-8 x 4-5 /j.; pileus 3-5 cm., cuticle not soon broken into 

 scales; stem 5-7 cm. long, 4-6, mm. thick at apex, clavate 



{L. rufescens Morgan) L. brunnescens Pk. 

 10. Spores not more than 9 fx long 11 



10. Spores 9-12 x 5-6 jjl, pointed at the ends; pileus 1-2 cm., yellowish 



rubescent, minutely, densely scaly; stem 3-5 cm. x 2-3 mm.; all 

 parts becoming red or reddish in age L. maculans Pk. 



11. Pileus even, or at most short sul>striate 12 



11. Pileus sulcate on margin, scales at first pale yellow, umbo ful- 



vescent, 2-4 cm.; gills narrow, subdistant; stem 3-5 cm. x 2-4 

 mm., rufescent; spores 5-6 x 3-4 fj. L. flavescens Morgan 



12. Stem up to 17 cm. long, drab color; in forest of Sequoia, California; 



pileus 3-4 cm.; chestnut-brown, rufescent, glabrous to fibrillose; 

 gills white, becoming rose-colored when bruised. . L. roseifolia Murrill 



12. Stem much shorter 13 



13. Plant in all parts assuming blue tints when bruised or on drying; 



pileus 1-2 cm., scales brownish; stem 3-5 cm. x 1.5-2 mm.; an- 

 nulus persistent; spores 7 x 5 m, elliptic L. caerulescens Pk. 



13. Plant not assuming blue tints 14 



14. Fibrillose covering of pileus and stem changing very quickly, in the 



fresh plant, to flame-scarlet, when the plant is touched or dis- 

 turbed; flesh and gills white, unchanging (See description.) (L. 

 subfelina?) L. flammeotincla, sp. nov. 



14. Fibrillose scales, etc., of the pileus and stem, as well as the flesh, 



changing to reddish-brown then brown 12-24 hours after bruising; 

 pileus 2-3 cm., granular or scaly; stem 3-5 cm. x 4-5 mm.; an- 

 nulus median; spores 6-8 x 4-5 ai L. brunnescens Pk. 



15. Stem peronately appressed-fibrillose or fibriflose-subscaly below 



the membranous annulus 16 



15. Stem glabrous below the annulus 21 



16. Pileus 3-6 cm. broad; stem 4-6 (7) cm long 17 



16. Pileus 2-3 cm. broad, or smaller; stem 2-4 cm. long 19 



