A CATALOGUE OF BRITISH POISONOUS FUNGI. 173 



panded, depresso-umbonate, unequal, sinuate. Margin involute at 

 first, tomentose. Cuticle adnate. 



Stem. Two to three inches high, yellow, not thick, nearly equal, 

 smooth, glabrous, striate, naked, rooting. 



Section. Flesh yellow, thickish, compact. Stem stuffed, per- 

 haps hollow. Gills yellow, broad, distant, arcuate, pointed be- 

 hind, sinuate, adnate. Odour of rotten hemp-seed. Taste nauseous. 

 Spores faintly yellow. 



Obs. It is provided with a principle that is strongly irritant. Some authori- 

 ties also suspect Tri. murinacea, Tri. saponacea, Tri. bufonia, and Tri. rutilans, 

 but none of them have actually been proved poisonous. — W. D. H. 



Genus AGARICUS. Sub-genus VOLVARIA. 



(XXIV.) AGARICUS PARVULUS ; Volvaria parvula ; The Little 

 Volvar. 



Habitat. In meadows. Scattered. 



Season. August to October. Not common. 



Pileus. One inch across, white, dry, silky-tomentose ; conical 

 in volva, then expanded, convex, umbonate, even. 



Stem. One inch high, white, slender, equal, silky-tomentose, 

 naked. Volva small, pallid, lobed, persistent. 



Section. Flesh white, thickish. Stem stuffed. Gills rosy, un- 

 equal, broad, thick, free. Odourless. Taste bland. Spores pink. 



Obs. Sometimes plentiful after thunderstorms. Its poison seems to be 

 narcotico-acrid. Probably this species has often been mistaken for "button " 

 Pratelles by careless or inexperienced people. It is therefore dangerous. — 

 TV. D. H. 



(XXV.) AGARICUS SPECIOSUS ; Volvaria speciosa ; The 

 Specious Volvar. 



Habitat. In fields and shi^ubberies, on dunghills, etc. Solitary. 



Season. September and October. Uncommon. 



Pileus. Two to four inches across, grey, darkest on disc, smooth, 

 glossy, viscid in wet ; campanulate in volva, then convex, rounded, 

 plane, even. Margin finely striate. 



Stem. Three to four inches high, white, pinky above, attenuate 

 upwards, thick, glabrous. Base swollen, villose. Volva white, 

 loose, thin, villose, torn. 



Section. Flesh not thick, white, soft. Stem solid, fibrous. Gills 



