Psalliota AGARICACE/E I/ 1 



a. Ednlcs. 



787. P. augusta Quel. (from its appearance ; angnstus, noble) a b. 

 P. expanded, fibrilloso-squamose, rich ochreous-brownish ; marg. 



almost white, sometimes appendiculate with V. St. solid, 

 enlarged below, tan, faintly sienna below. G. crowded, faintly 

 brownish. 



An inferior esculent. Orchards, woods, under spruce-firs, on ant-hills. 

 Aug. -Sept. 7 X 6J X ij in. Might when young be mistaken for a 



Lepiota . 



788. P. Elvensis Henn. (from its place of growth when first named, 



near the River Elwy, N. Wales, 1863) a b. 



P. expanded, fibrilloso-scaly, warm brown with darker scales. 

 St. solid, equal or attenuate downwards, fibrillose, paler than P. 

 A. large. G. brownish flesh-colour. Flesh changing to red or 

 pale rose when cut. 



Sometimes ceespitose. Under oaks, beech, fir. Aug.-Sept. 6J X 5 X ij in. 

 A drawing in Brit. Mus. is dated 1847. 



789. P. arvensis Quel. (from its habitat; arvum, a cultivated 



field) a b c. 



P. at length flat, floccose, silky or squamulose, whitish; mid. 

 faintly yellowish ; marg. ragged with V. St. hollow, attenuate 

 upwards, even, smooth, white. A. large. G. ventricose, at 

 length dark purple-brown. Flesh white, changing to pale 

 yellowish or brownish. 



Spring to winter. 7| X 4^ X ij in. The cultivated mushrooms _ of 

 gardeners belong to this species. There are several named varieties. 

 I. pitrpiirascens W. G. Sm., Agaricus arvensis Schaeff., var . purpnrascens 

 Cooke, P. purple. 2. albosquamosa W. G. Sm., P. white-scaly. 



3. vaporaria W. G. Sm., A. vaporariits Otto, P. even, brown-pilose. 



4. hortcnsis W. G. Sm., A. campestris L., var . ho rtensis Cooke, P. brownish 

 fibrillose or squamulose. 5. Buchananii W. G. Sm., A. campestris ^ L., 

 var. Buchananii Berk., P. smooth as if whitewashed, A. slight, fugacious. 

 6. cryptarum W. G. Sm., A. cryptarum Let ell, the name applied to the 

 form grown in caves, grey- white or brownish- white. 



789a. P. perrara Magnus (perrarus, very rare) a b. 



P. fleshy, globoso-hemispherical, then expanded, scaly, whitish- 

 ochre ; sc. concentric, floccose, brownish-yellow to sienna. 

 St. stuffed, then hollow, equal or attenuate upwards and sub- 

 marginately-bulbous, smooth above, squamose below, white to 

 pale yellowish or salmon-shaded ; sc. salmon-brown. A. large, 

 superior, membranous, floccose, persistent. G. free to remote, 

 crowded, whitish, then salmon to full brownish-slate or fuscous. 

 Flesh white, becoming yellowish, faint reddish-ochre or salmon 

 when broken. 



Taste somewhat sweet ; odour somewhat of anise. Damp ground, under 

 oaks, near conifers. Aug. 5 X 4 X & in. Analogous with 21, 33 and 

 792a. 



