56 NORTH AMERICAN FLORA [Volume 10 



53. Lepiota rubrotincta Peck, Ann. Rep. N. Y. State Mus. 44: 



179. 1892. 



1 



Agaricus rubrotinctus Peck, Ann. Rep. N. Y. State Mus. 35: 155. 1884. 

 Mastocephalus carneo-annulatus Clem. Bot. Survey Neb. 4: 17. 1896. 



Pileus thin, convex to subplane, usually umbonate, 2-8 cm. broad; surface light-red to 

 purple, the cuticle at first continuous, later cracking radially except on the umbo and some- 

 times finally breaking up into appressed scales; lamellae free, close, broad, rounded, white or 

 slightly tinged with yellow; spores ellipsoid, smooth, hyaline, appendiculate, uniguttulate, 

 7-12X3-6 ju; stipe equal, slightly enlarged at the base, white or with a rosy tint, glabrous or 

 silky-fibrillose, hollow, 3-9 cm. long, 4-6 mm. thick; annulus membranous, usually persistent, 

 entirely white or with a pink margin. 



Type locality : New York. 



Habitat: Among leaves in thin woods or the borders of woods. 



Distribution: New England to Nebraska and south to the Gulf of Mexico. 



54. Lepiota incarnata (Clem.) Sacc. Syll. Fung. 14: 65. 1899. 



Mastocephalus incarnatus Clem. Bot. Surv. Neb. 4: 17. 1896. 



Pileus thin, slightly fleshy, conic to campanulate, with distinct umbo, rarely convex, 

 subcespitose, 2-4 cm. broad, 1.5-3 cm. high; surface slightly silky, pale-incarnate with darker 

 scales, umbo becoming black, margin striate; lamellae remote, subdistant, nearly plane, white; 

 spores ovoid-ellipsoid, smooth, hyaline, uninucleate, apiculate at one end, 5— 6X3/*; stipe 

 slender, equal, glabrous, rarely silky, pallid or somewhat rosy, stuffed, 3-6 cm. long, 2-5 mm. 

 thick; annulus median or superior, fixed, erect, white. 



Type locality: Wabash, Nebraska. 



Habitat: On the ground among leaves in woods. 



Distribution: Known only from the type locality. 



55. Lepiota roseilivida Murrill, Mycologia 4: 234. 1912. 



Pileus convex to expanded, thin, umbonate, gregarious, 2.5-4 cm. broad; surface dry, 

 minutely and densely fibrillose-scaly, rose-lilac, livid in the center, becoming slightly darker 

 on drying; lamellae white, unchanging, free, crowded, narrow; spores ellipsoid, smooth, hyaline, 

 8-9X4^5 fi\ stipe slender, tapering upward, subglabrous, white or pallid, changing to lilac on 

 drying, hollow, 7-10 cm. long, 2-5 mm. thick; annulus superior, movable, ample, membranous, 

 lilac-tinted, becoming lilac on drying, 



Typb locality: Muir Woods, California. 



Habitat: On the ground. 



Distribution: Known only from the type locality. 



56. Lepiota rubrotinctoides Murrill, Mycologia 4 : 236. 1912. 



Pileus convex to nearly plane, often umbonate, sometimes depressed in old plants, soli- 

 tary or gregarious, 4r~7 cm. broad; surface dry, subglabrous, white with rosy tints to red or 

 purplish, the center always darker, varying from pink or red to dark-purple or blackish, cuticle 

 even and unbroken when young, splitting radially, especially on the margin, as the pileus 

 expands ; context thin, white, drying soft and flexible ; lamellae free, narrow, close, plane, white, 

 the edges minutely serrulate; spores subovoid, smooth, hyaline, with a large, clear nucleus 

 7X3.5 mJ stipe long and slender, equal or slightly tapering upward, hollow, glabrous or some- 

 what fibrillose, white, 10-15X0.5-1 cm.; annulus superior, fixed, membranous, ample, white, 



persistent. 



Type locality: Seattle, Washington. 

 Habitat: On the ground in woods. 

 Distribution: Washington, Oregon, California. 



57. Lepiota conspurcata (Willd.) Morgan, Jour. Myc. 12: 243. 1906. 



Agaricus conspurcatus Willd. Prodr. Fl. Berl. 382. 1787. 



Agaricus cristatus ^Bolt. Hist. Fung. Halifax 1: 7. 1788. Not A. cristaius Scop. 1772. 



