42 Mycena. 



pullata, B. and Cke. Smell slightly nitrous. P. 1'5 2 cm. 

 dark brown, disc blackish, obtusely unib. striate to middle ; g. white ; 

 s. 56 cm. coloured like pileus, rooting ; sp. 6 x 3. 



M. leucogala and M. galopoda differ in white milk in stem. 



M. atrocyanea diflFers in dark blue tinge of p. and s. 



[cinerella, Karst. Smell very strong of meal. P. campan. 

 entirely striate, grey or greyish-pallid; g. broadly adnato-decur. 

 greyish-white; s. greyish -white, base fibrillose, not rooting; sp. 



psammicola, B. and Br. Smell strong. P. 46 mm. hemi- 

 spherical, brown, paler towards striate margin, sprinkled with minute 

 particles; g. adnexed, sinuate; s. 1*5 2 cm. umber, paler upwards, 

 everywhere pulverulent ; sp. . 



Differs from M. paupercula in pulverulent stem and pileus. 



paupercula, B. Smell strong. P. 2 4 mm. conical, exp. pale 

 ochraceous, minutely fibrillose; g. free, whitish ; s. 1 l'5cm. slender, 

 whitish, rooting ; sp. . 



leptocephala, Pers. Smell strong, solitary, entirely grey. P. 

 2 2 5 cm. umb. sulcate, pruinose, opaque ; g. emarginate ; s. 4 5 cm. 

 slightly striate, opaque, dry ; sp. . 



alcalina, Fr. Smell strong. P. \-52'5 cm. camp, obtuse, 

 naked, deeply striate when moist, shining when dry, pallid or tinged 

 yellowish-green ; g. adnate ; s. 4 7 cm. yellowish, viscid, glabrous, 

 shining, base villose ; sp. 8 x 5. 



ammoniac a, Fr. Smell strong. P. 1 "5 2 cm. conico-exp. umb. 

 naked, discoid, opaque, dark brown or greyish, striata at paler margin ; 

 g. adnate ; s. even, glabrous, rooting, pallid, 4 5 cm. ; sp. . 



M. alcalina differs in tufted habit, viscid stem with yellow tinge 

 of colour. 



metata, Fr. Smell weak, alkaline, soft. P. obt. striate, hygr. 

 grey rarely yellowish or pinkish even, opaque, and whitish when 

 dry ; g. aduate, not connected by veins, whitish ; s. 4 7 cm. firm, 

 even, glabrous, base fibrillose ; sp. . 



cinerea, Mass, and Cross!. Entirely grey, smell strong, like 

 radishes. P. 1 '5 2 cm. subgibbous, exp. pale, silky and even when 

 dry ; g. adnate ; s. 5 7 cm. glabrous, downy and white at base ; sp. 

 8x5; cystidia fusiform. 



M. leptocephala differs in sulcate p. , and M. metata in white gills. 

 M. plunibea has no smell. 



plicosa, Fr. 1-5 2 -5 cm. exp. plicato-sulcate, greyish brown, 

 opaque when dry ; g. thick, distant, veined, grey ; s. 3 4 cm. polished, 

 greyish ; sp. globose, 4 5. 



[subplicosa, Karst. P. campan. obtuse, with distant grooves, 

 almost plicate, glabrous, grey then pallid ; g. aduate, whitish; s. rigid, 

 shining, hyaline or livid, base strigose not rooting ; sp. 6 8 x 3 5. 



consimilis, Cke. P. 1-5 2 '5 cm. camp, grey, umbo darker, 

 striate to middle, margin upturned and splitting ; g. adnexed, grey ; 

 s. 2'5 3 - 5 cm. dry, smooth, paler than p. ; sp. . 



