Genus Lepiota 319 



4. Spores 9-11 x 5-6 /x; pileus whitish to pale alutaceous; gills nar- 

 row; stem rather stout, stuffed, subbulbous L. berdi.sta Morgan 



4. Spores 5-6 x 3-4 fx; pileus alutaceous to subfulvous, with darker 



umbo; stem equal or subequal, hollow or stuffed, floccose below 



L. oblita Pk. 



5. Viscid layer of pileus and stem hyaline 6 



5. Viscid layer thick, brown; pileus 3-4 cm. obtuse; stem 4-6 cm. x 



3-4 mm, soHd, tapering upward; gills broad; spores 4-5 m diam- 

 eter L. glischra Morgan 



6. Pileus cream-color, tinged rosy, 6 cm. broad, with broad umbo; 



stem 5-10 cm. x 8-12 mm, solid, enlarged at base; odor farin- 

 aceous; spores unknown L. roneicrema Murrill 



6. Pileus white, 4-7 cm. broad, glutinous; gills soft, subvenose-con- 

 nected; stem 5-8 cm. x 4-6 mm., equal, soon hollow, glabrous; 

 spores 4-6 fx diameter L. illinita Fr. 



II. VISCIDAE 



1. Pileus rather large, 5-10(14) cm. broad; annulus ample, membra- 

 nous, pendant. (Transition to Amanita) 2 



1. Pileus smaller; annulus usually narrow, median or superior 4 



2. Taste distinctly farinaceous; apex of stem dotted with dark green 



drops when developing; pileus 7-10 cm. broad, pinkish-tan; stem 

 spongy-soft, more or less scaly; spores globose, 5-6 n (Ricken). 

 (L. guttata (Pers.) Quel.) {Amanita lenticularis Fr.) 



L. lenticularis Lasch-Ricken. 



2. Taste not farinaceous; apex of stem without green watery drops ... . 3 



3. Pileus 8-14 cm. broad, whitish with brownish disk, thick and firm, 



glabrous; gills white; stem equal, 8-15 cm. x 15-25 mm, solid; 

 odor none; spores unknown L. Persoonii Fr.-Ricken 



3. Pileus 4-9 cm. broad, white to pale alutaceous, rather soft, gla- 



brous; gills crowded, white, edge entire; stem 4-10 cm. x 4-10 

 mm., suV)bulbous; odor becoming strong and disagreeable ; spores 

 oval 3-4 x 2-3 /x L. Fischeri Kauff. 



4. Odor of radish; pileus, etc., white, 3-6 cm., umbonate; flesh soft, 



watery; stem hollow; annulus lacerate, usually appendiculate on 

 edge of pileus; spores unknown L. medullata Fr. 



4. Odor not of radish 5 



5. Spores globose or subglobose 6 



5. Spores elliptical; stem stuffed or hollow 8 



6. Taste not farinaceous; pileus yellowish, 2.5-5 cm., covered like the 



stem with dew-like transparent drops; stem white above, with 

 yellow or brownish squamules below; spores 4-5 M diam.; in 

 pastures L. irrorata Qucl.-Rea 



6. Taste farinaceous; pileus 2-5 cm., convex, glabrous, even; gills 



ventricose, close, white; stem 4-7 cm. x 4-10 mm., solid; spores 

 globose, 4-5 fJ- 7 



7. Pileus "burnt sienna" to "mars-orange" (Ridg.), fading; stem 



with redcUsh, floccose scales up to the slight annulus . . L. gloioderma Fr. 



