4 



NORTH AMERICAN FLORA 



[Volume 10 



Taste bitter, odor farinaceous. 

 Lamellae of medium distance or moderately close. 

 Pileus large, 6-14 cm. broad, becoming yellow or 



saffron-colored when bruised. 

 Pileus smaller, never over 8 cm. broad, not chang- 

 ing as above when bruised. 

 Stipe much enlarged at the base; pileus white 

 or yellowish, becoming isabelline to fulvous 

 on drying. 

 Stipe distinctly radicate, 4-10 cm. long. 

 Stipe not as above. 



Lamellae transversely striate or venose. 

 Lamellae not as above. 

 Spores 6.5 X5 ju- 

 Spores 4.5 X3.5 /x. 

 Lamellae subdistant to distant. 



Pileus brownish or grayish -brown at the center; 



odor and taste strong and unpleasant. 

 Pileus reddish-gray at the center; odor and taste 

 not unpleasant. 

 Lamellae white, changing color with age or on drying. 

 Sporophore very large; 12-20 cm. broad. 



Lamellae becoming pale-salmon or cream-colored; stipe 



attenuate below. 

 Lamellae becoming dirty-yellowish or brownish; stipe 

 decidedly bulbous. 

 Sporophore smaller, 10 cm. or less broad; lamellae becoming 

 gray, brown, or blackish. 

 Pileus dingy-white, hygrophanous, usually brownish on 



the disk, 2.5-5 cm. broad. 

 Pileus uniformly white or pallid. 



Pileus small, 2-3 cm. broad ; lamellae becoming smoky- 

 blue or blackish. 

 Pileus large, 5—10 cm. broad; lamellae becoming 

 dingy or tinged with reddish-brown. 

 Lamellae pallid or yellowish, becoming fulvous or bay with age ; 



context changing quickly to bright-yellow when bruised. 

 Lamellae yellow; pileus white, becoming dark with age. 

 Surface of pileus mostly some shade of yellow. 

 Lamellae white, unchanging. 

 Stipe white, solid. 

 Stipe white, hollow. 

 Stipe yellow except at the base, solid. 

 Lamellae white, becoming tinged with salmon. 



Pileus bright-yellow, becoming reddish or variously tinted. 

 Pileus isabelline, fulvous at the center. 

 Lamellae white or tinged with pink; odor strong, jessamine-like. 

 Lamellae white or pale-yellowish, often darker yellow with age. 

 Growing on wood ; without characteristic odor. 

 Growing on the ground. 



Becoming strongly aromatic. 

 Not at all aromatic. 

 Lamellae yellow, unchanging. 



Pileus pale-honey-yellow; spores 8-9X5.5-6.5 p. 

 Pileus dull -saffron-colored; spores 3-4 ft long. 

 Lamellae yellowish, becoming dingy or blackish with age or on 

 drying. 

 Spores 7.5-10 X5-6 /z. 

 Spores 4X2/*. 

 Surface of pileus yellowish -gray or subolivaceous, dusky on the disk; 



species known only from Alabama. 

 Surface of pileus mostly green or greenish. 



Pileus pallid or glaucous to pale-olive, becoming blackish when 



bruised. 

 Pileus dingy -green, unchanging when bruised. 

 Surface of pileus mostly some shade of red, purple, or lilac. 

 Pileus small, 5 cm. or less broad. 



Pileus flesh-colored, 2-5 cm. broad, lamellae white. 



Pileus dull -reddish -purple, 1-2 cm. broad; lamellae purplish 



to yellowish. 

 Pileus watery-red to violet, 3-5 cm. broad; lamellae whitish to 

 yellowish. 

 Pileus large, 5-10 cm. broad. 



J?ileus reddish-brown, brown-spotted on drying, lamellae 



cinereous. 

 Pileus pale-alutaceous, lamellae pale-yellow, purplish -brown on 



drying. 

 Pileus pale-rosy-avellaneous, becoming brownish when injured; 



lamellae white tinged with rose. 



16. M. later aria. 



17. M. subsaponacea. 



18. M. Robinsoniae , 



19. M. radicata. 



20. M. striatifolia. 



21. M. impolitoides. 



22. M.fumidella. 



23. M. (erraeolens, 



24. M. infantilis. 



25. M. magna. 



26. M. praemagna, 



27. M. trentonensis. 



28. M. fumescens. 



29. M. lata. 



30. M. Memmingeri, 



31. M. subdura. 



32. M. edura. 



33. M. fumosolutea. 



34. M. sublutea. 



35. M. Davisiae. 



36. M. unakensis. 



37. M. odor a. 



38. M. Thompsoniana, 



f 



39. M. aromatica. 



40. M. venenata. 



41. M. odor if era. 



42. M. Naucoria. 



43. M. chry s enter oides, 



44. M. thujina. 



45. M. alabamensis. 



46. M. longipes. 



47. M. viriditincta. 



48. M. paeonia. 



49. M. microspora 



50. M. ionides. 



51. M. maculates cens, 



52. M. tricolor. 



53. M. Earleae. 



