PSALIOTA 87 



192. P. campestris (Linn.) Fr. Campestris, belonging to a plain. 



P. 5-12 cm., white, or rufescent, fleshy, lens-shaped-convex, then 

 flattened, obtuse, dry, silky-even, or squamulose. St. 4-8 x 2-4 cm., 

 white, firm, bulbous when young, then somewhat equal, even, or 

 squamulose. Ring white, membranaceous, rarely in the form of a 

 cortina, median, or more strictly sheathed to the middle, spreading, or 

 reflexed, torn, often fugacious. Gills whitish, then soonflesh coloured, and 

 at length umber-fuscous, free, approximate, ventricose, equally attenuated 

 at both ends, crowded, often deliquescent. Flesh white, becoming 

 reddish, or sometimes fuscous, thick, soft. Spores brownish purple, 

 broadly elliptical, 6-7 x 5-5'5/A. Smell and taste pleasant. Edible. 

 Pastures, and heaths, rarely in woods. May Dec. Common, (v.v.) 



var. alba Viv. Berk. Outl. t. 10, fig. 2. Alba, white. 



Differs from the type in the white, silky pileus and short st. Hardly 

 worthy of a varietal name. Generally found along with the type. 

 (v.v.) 



var. praticola (Vitt.) Fr. Vitt. t. 7. Praticola, living in meadows. 



Differs from the type in the rufous-scaly p., and in the flesh becoming 

 immediately rufescent. 



var. subvolvacea W. G. Sm. Field and cultivated mushrooms, fig. 13. 

 Sub, somewhat; volvacea, having a volva. 



Differs from the type in the pale brown p. breaking up into dark 

 umber scales, and in the long pale brownish st. furnished with a thin 

 brown volva at the base. Fields, and artificially made mushroom 

 beds. 



var. rufescens Berk. Berk. Outl. t. 10, fig. 3. 



Rufescens, becoming reddish. 



Differs from the type in the rufous, minutely squamulose p., the 

 elongated st., and in the bright rose, sometimes crimson flesh when cut. 



var. umbrina (Vitt.) Fr. Vitt. t. 8. Umbrina, umber. 



Differs from the type in the umber p. becoming even, and in the 

 stout, squamulose st. 



var. fulvaster Viv. Viv. t. 45, upper fig. Fulvaster, yellowish. 



Differs from the type in the ochraceous tawny p., and in the rose 

 coloured gills becoming blackish. 



var. costata (Viv.) Fr. Cke. Illus. no. 546, t. 528, fig. A. 



Costata, ribbed. 



Differs from the type in the sulcate, repand p. Woods. Rare. 



