Part 1, 1914] 



AGARICACEAE 



43 



Pileus blue or becoming so. 

 Pileus lilac to purple. 



Pileus pale-lavender ; odor fetid. 

 Pileus whitish, with purple powder; odor not fetid. 

 Pileus large, 5-10 cm. broad; surface white, silky, subglabrous. 

 Stipe solid ; pileus sometimes pinkish. 

 Stipe hollow; pileus sometimes grayish. 



III. Striatal 



Pileus 5-10 cm. broad, white or yellow, usually cespitose; spores 8-11 



t X5-7 fi; stipe bulbous. 

 Pileus 1—5 cm. broad; spores smaller than above. 

 Pileus white with pallid or dark scales. 



Pileus white with pallid scales, rugulose. 

 Pileus white with blackish or brownish scales. 

 Pileus 2.5-5 cm. broad; spores 6-7.5 /* long. 

 Stipe 5—7.5 cm. long, clavate below. 

 Stipe 4 cm. long, subequal. 

 Pileus and spores smaller ; stipe not thickened at the base. 



Annulus persistent; stipe with a distinct black line at the 



base. 

 Annulus evanescent or obsolete; stipe without a black line 

 at the base. 

 Pileus white with yellow center. 

 Pileus and scales pale-yellow. 



Pileus depressed and concolorous at the center ; spores not apiculate. 



Pileus subumbonate and fulvescent at the center; spores apiculate. 



Pileus red or reddish or becoming so ; cuticle pale-yellow, breaking into 



small scales. 



Pileus whitish changing to rose-color; lamellae white changing to 



pink • stipe not bulbous. 

 Pileus incarnate-brick-colored; lamellae whitish or pale-yellowish; 

 stipe strongly bulbous. 



IV. Squamtjlosab 



Stipe smooth, fibrillose at times but free from scales. 



Pileus becoming some shade of blue, dark -red, or brown when wounded 

 or on drying. 

 Pileus changing to blue. 

 Pileus changing to brown or fuliginous. 

 Stipe 3—7 cm. long, 2-7 mm. thick. 

 Stipe 10 cm. long, 1 cm. thick. 

 Pileus changing to reddish -brown. 

 Pileus 2-4 cm. broad. 



Lamellae white, becoming fumosous on drying. 

 Lamellae white, becoming rose -colored. 

 *us 5—10 cm. broad. 



Pileus densely cespitose on dead wood ; scales minute. 

 Pileus solitary or subcespitose, terrestrial; scales larger. 

 eus not distinctly changing color when wounded or on drying. 

 Scales white or pallid ; the disk at times differently colored. 

 Pileus 6-12 mm. broad; spores 12-15 m long. 

 Pileus 1.5-4 cm. broad; spores 6-10 p. long. 

 Disk white or rose -tinted, unchanging. 

 Disk white, changing to brown on drying. 



Scales yellow. 



Surface white, with pale-yellow scales; stipe white. 

 Surface bright-lemon-yellow ; stipe pale-yellow. 

 Scales some shade of red, fulvous, or isabelline. 

 Pileus 1-2 cm. broad. 



Surface white with fulvous scales; annulus fulvous. 

 Surface pale-yellow, with cinnamon-colored scales. 

 Surface reddish-yellow. 



Lamellae white, unchanging. 

 Lamellae changing to red or pink. 



Pileus 2-7 cm. broad. 



Stipe abruptly bulbous. 



Pileus 3-4 cm. broad; stipe 2-3 cm. long. 

 Pileus 6-7 cm. broad; stipe 7 cm. long. 

 Stipe not abruptly bulbous. 



Surface light-red, purple, or lilac. 



Species not occurring on the Pacific coast. 



Surface light-red to purple, the cuticle at first 

 continuous then cracking radially ; spores 7-1 1 p. 



long. 

 Surface pale-incarnate with darker scales; umbo 



black; spores 5-6 p, long. 



19. L. cyanozonata. 



20. L. ecitodora. 



21. L. purpureoconia, 



22. L. solidipes. 



23. L. naucina. 



24. L, cretacea. 



25. L. rugulosa. 



26. L, longislriata. 



27. L. subclypeolaria, 



28. L. noctiphila. 



29. L. nudipes. 



30. L. fiavodisca. 



31. L. spectabilis. 



32. L. flavescens. 



33. L. rhodopepla. 



34. L. sulphurina. 



35. L. coerulescens. 



36. L. brunnescens. 



37. L.fuliginescens, 



38. L. castanescens. 



39. L. roseifolia. 



40. L. jamaicensis. 



41. L. americana. 



42. L. arenicola. 



43. L. subnivosa. 



44. L. mutata. 



45. L. alluviina. 



46. L. subfiavescens, 



47. L. fulvastra. 



48. L. mississippiensis, 



49. L. repanda. 



50. L. maculans. 



51. L. amanitiformis, 



52. L. abruptibulba. 



53. L. rubrotincta 



54. L. incarnata. 



