318 
FETCH : 
159. — Psalliota boîorhiza B. & Br. 
Pileus 4 cm. diameter, almost plane, very slightly unbonate, 
margin répand when old; centre yellow-brown, tomentose, 
elsewhere sparsely covered with yellow-brown, fibrillose scales 
on a white ground, which assumes a purple tint when old. 
Flesh thin, white, darkening when cut. Stalk 5 cm. high, 
4 mm. diameter, almost equal or slightly attenuated upwards, 
bulbous at the base (1 cm. diameter), white, shining, minutely 
silky, stuffed, then hollow. Ring evanescent. Gills narrow, 
attenuated at each end, crowded, free. Spores dark purple- 
brown in mass, pip-shaped, 4-5 X 3 
Among grass, solitary, Peradeniya. 
160. — Psalliota hemilasia B. & Br. 
Pileus up to 14 cm. diameter, plane, sometimes obtusely 
umbonate, often undulating, red-brown or purplish-red in the 
centre, elsewhere covered with minute innate fibrillose scales 
of the same colour on a white ground. Flesh white, up to 
1*5 cm. thick in the centre, thinning out to the margin, 
turning yellowish just below the cuticle when cut. Stalk up 
to 12 cm. high, 1 *5 cm. thick in the middle, base bulbous, or 
expanded and truncate, attenuated upwards, striate and 
shining above the ring, slightly fibrillose or squamulose 
below, white, hollow. Ring descending, ample, fragile, some- 
times covered with red-brown warts on the lower surface. 
Gills widely free, somewhat crowded, comparatively narrow, 
white, then pink, finally purple-brown. Spores oval to 
subglobose, 4-7 X 3-4 |ji. 
Usually among dead leaves, &c. ; fairly frequent at Pera- 
deniya, but not in large numbers. 
161. — Psalliota liturata B. & Br. 
Pileus almost plane, or slightly obtusely umbonate, up to 
4 cm. diameter, at first purple-red in the centre, elsewhere 
white, with radiating purple-red streaks and spots, finally 
becoming purple -gray between the streaks. Flesh thin. 
Stalk up to 7 cm. long, 3-4 mm. diameter, inflated at the base, 
usually attenuated upwards, white, minutely scaly below the 
ring, shining and striate above, hollow, lined with shining white 
