86 A CATALOGUE OF ESCULENT BRITISH FUNGI. 



Genus AGARICUS. Sub-genus TRICHOLOMA. 



(66.) AGARICUS ACERBTJS; Triclioloina acerba ; The 

 Bitterlet. 



Habitat. On the ground in woods. In small groups. 



Season. August to October. Uncommon. 



Pileus. Three to four inches across, yellowish-white, darkly 

 spotted ; convex, spreading, obtuse, smooth, sleek. Margin 

 involute, sulcate. 



Stem. One to two inches high, tint of pileus, even, slightly 

 swollen below, sub-squamulose above, naked. 



Section. Flesh whitish, not thick. Stem solid. Gills yellowish- 

 white, pale at fii'st, crowded, serrulate, sinuate, almost decurrent. 

 Odour slight. Taste strongly bitter. Sj^ores white. 



Obs. Eaten in Italy. I think it requires an educated taste to like it, bow- 

 ever.— U'. D. H. 



(67.) AGARICUS ALBELLUS; Triclioloma albella; The 

 Muscat. 



Habitat. On mossy lawns, borders of woods, etc. In gi'oups. 



Season. April and May. Not generally common. 



Pileus. Three to four inches across, white, mottled with ochry- 

 grey, smooth, perhaps clammy ; conical, convex, sub-umbonate, 

 irregularly expanded. Margin thin, even, incurved. 



Stem. One to two inches high, white, striate, sericeo-fibrillose, 

 naked. Base enlarged, deeply implanted. 



Section. Flesh white, thick, brittle. Stem solid, becoming 

 •spongy. Gills white, numerous, crowded, broad before, attenuate 

 behind, sinuate, adnexed. Odour musky. Flavour peculiar, 

 pleasant. Spores white. 



Obs. In chapter vii. Not often met with, but an especial dainty. — 

 W. D. H. 



(88.) AGARICUS ALBO-BRUNNEUS; Tricholomaalbo-'brTmnea; 

 The Brownie. 



Habitat. Hilly pine-woods. In groups. 



Season. August to October. Common. 



Piletis. Two to four inches across, at first dirty-white, soon 

 rusty-brown ; globose at first, then expanding, rounded, convexo- 

 plano ; fioccosc in youth, afterwards glutinous. 



