Psalliota AGARIC ACE^E ij l 



a. Edules. 



787. P. augnsta Quel (from its appearance ; augustus, 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 6 x i 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 caespitose. Under oaks, beech, fir. Aug.-Sept. 6 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 be. 



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. 7f X 4^ X i in. The cultivated mushrooms of 

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

 I. purpurascens W. G. Sm., Agaricus arvensis Schaeff., var. purpurascens 

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



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



4. hortensis W. G. Sm., A. campestris L., var . hortensis Cooke, P. brownish 

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

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

 6. cryptarum W. G. Sm., A. cryptarum Letell, 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, globose-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. 5J X 4 X in. Analogous with 21, 33 and 

 792a. 



