330 C. H. Kauffman 



innately and radially fibrillose, subpulverulent, even, "light 

 grayish-olive" to "olive-gray" (Ridg.), "dark olive" on disk, 

 opaque; flesh thin, soft, white, unchanging; gills free, becoming 

 remote, ventricose, 5-6(7) mm. broad, edge obscurely fimbriate, 

 stem 5-6 (7) cm. long, 3-5 mm. thick at apex, equal or taper- 

 ing slightly upwards, scarcely subbulbous, up to 10 mm. thick at 

 base, silky-stuffed then hollow, glabrous, even, white, silky- 

 shining upwards; annulus median, terminating a thin evanes- 

 cent sheath, membranous, at first erect-flaring; odor and taste 

 none or shght; spores 5-6 X 3-3.5 /^. elliptic-ovate, acute at one 

 end, smooth, subhyaline and with a delicate incarnate tint under 

 the microscope, uniguttate; basidia short, stout, 4-spored, 25-27 

 X 8 /i; cystidia none; sterile cells on edge of gills, ventricose 

 above, 27-30 x 7-10 jjl, often crystallate at apex. 



Growing scattered on low, alluvial soil under thickets of Sam- 

 bucus and Impatiens. Ann Arbor, Michigan. August 14, 1921. 

 Collected by C. H. Kauffman. 



Green or olive Lepiotas are rarely mentioned in the litera- 

 ture; L. virescens Morgan and L. caerulescens Pk. are entirely 

 different both by their color and spores. Although I have re- 

 ceived reports that L. Morgani Pk. is sometimes entirely green, 

 that species is far removed from the one here described. 



Lepiota fusispora, sp. nov. (Plate XVI) 



Pileus fleshy, 2-5 (7) cm. broad, subcampanulate-expanded, 

 subumbonate, at length plane or depressed around the umbo, 

 dry, at first with a rather thick, soft, fibrillose, "cinnamon- 

 brown" (Ridg.) cuticle, which becomes broken into numerous, 

 floccose, erect or recurved scales, arranged concentrically and 

 showing the pale buff flesh between, not striate on the margin 

 which is lacerate-floccose ; flesh rather thin, soft, "warm-buff" 

 towards surface, whitish near gills; gills free, reaching the stem 

 by a point, rather narrow, 3-4 mm. broad, subventricose, close, 

 thin, white or with creamy tint, edge entn-e or nearly so; stem 

 4-6 cm. long, 5-6 mm. thick at apex, equal or incrassate down- 

 wards, up to 12 mm. thick below, stuffed, cortex rather rigid and 



