50 AGARICINI. 



Amongst moss. Eare. Malvern Hills. Scotland. Denbigh- 

 shire. [United States.] 



About 1 in. across ; grey, turning pale, sometimes sessile, the base villous j 

 gills distinct, distant. 



124. Agaricus (Pleurotus) acerosus. Fr. " Lawn Pleurotus." 



Pileus membranaceous, reniform, plane, striate, sub-lobate, hy- 

 grophanous ; stem very short or obsolete, lateral, rather strigose 

 at the base; gills determinate, narrow, crowded, simple, grey. — 

 Fr. Epicr.p. 135. Bolt. t. 72, f. 3. Ann. N.H. no. 673. 



On gravel, lawns, wood, &c. Rare. Hitchen, Suffolk. 



Pileus membranaceous, striate, when moist grey, when dry silky white, very 

 variable, 1-2 in. broad ; gills horizontal, not decurrent, of the same colour as 

 the pileus. Spores nearly globose, '0002 in. 



Sect. 4. Omphalaria — pileus at first resupinate. 



125. Agaricus (Pleurotus) porrigens. P. "Pine Pleurotus." 



White ; pileus fleshy, tough, at first resupinate, then ascending 

 from the extended base, ear-shaped, smooth above ; gills very 

 narrow, linear. — Fr. Epicr.p. 136. Eng. Fl. Y.p. 72. 



On old pine trunks. Rare. Inverary. 



Imbricated, various in size, sub-flaccid, the base stretching forward, often 

 tomentose, very rarely stipitate ; pileus even, margin thin, inflexed, lobed in 

 large specimens ; gills when young vein-like, somewhat divided. — Fries. 



126. Agaricus (Pleurotus) septicus. Fr. " Thin Pleurotus." 



White ; pileus somewhat fleshy, thin, resupinate, then reflexed, 

 even, pubescent ; stem thin, incurved, pubescent, at length evan- 

 escent ; rootlets byssoid ; gills distant. — Fr. Epicr. }'>• 136. Sow. 

 t.321. Eng. Fl. Y.p. 74. Letell.t. 706. 



On twigs, decayed fungi, dung, &c. 



Pileus 3-5 lines broad, at length free, slightly carnose ; gills rather broad, 

 distinct ; stem 2 lines high, attenuated upwards, sometimes obsolete, as well 

 as its radicles. — Fries. 



127. Agaricus (Pleurotus) mastrucatus. Fr. "Imbricated 



Pleurotus." 



Pileus fleshy, upper stratum gelatinous, at first resupinate, then 

 expanded, sessile, lobed, squamulose ; gills greyish white. — Fr. 

 Epicr.p. 137. Sow. ^ 99. Eng. Fl. Y.p. 74. 



On old trunks. Rare. [Cincinnati.] 



Imbricated ; pileus 1-4 in. across, lobed in large specimens, flaccid, rough 

 with hairs, and rigid points intermixed ; gills radiating from a downy knob. — 

 Fries. 



