78 OUTLINES OF BRITISH KUXGOLOGY. 



1 in., brown, oyster-shaped, sulcate, cuticle ver}- thiu, giving 

 way at the furrows and exposing flesh of pileus ; stem 

 obsolete ; gills connected by veins. 



On the naked trunk of a laurel. Coed Coch. 



417. A. (Pleurotus) tremulus, Schoiff. (p. 137) ; h in. 



418. A. (Pleurotus) acerosus, Fr. (p. 137) : -^ in. 

 Epping Forest. 



III. Resupinati. — Pileus at first resupinate, loith the gills meeting 

 at an excentric poiiit, then re/lexed, sessile. 



* Pileus fleshy uniform. 



419. A. (Pleurotus) porrigens, P. (p. 137); 1—4 in. 



420. A. (Pleurotus) septicus, Fr. (p. 137) ; h in. 

 Epping Forest. 



** Pileus fleshy, striate, loith an upper gelatinous stratum, 

 or viscous pellicle. 



421. A. (Pleurotus) mastrueatus, Fr. (p. 138) ; 1-4 in. 

 Epping Forest. 



422. A. (Pleurotus) atro-cseruleus, Fr. p. 138) ; 1-2 in. 



423. A. (Pleurotus) Leightoni, B. (p. 138) ; i in. 



424. A. (Pleurotus) algidus, Fr. (p. 138) ; 1-2 in. 



425. A. (Pleurotus) fluxilis, Fr. ; pileus 1 in. ; some- 

 what umber, thin, dimidiate, horizontal, plane, reniform, 

 covered with a fluid gelatinous stratum which is not covered 

 with a cuticle ; flesh proper very thin, pallid, soft ; gills 

 rounded behind, linear, distant, whitish, a few reaching the 

 base, many shorter ones. 



426. A. (Pleurotus) cyphellaeformis, 5. (p. 138); ^in. 



427. A. (Pleurotus) applicatus, Batsch (p. 139); k iu- 



