138 OUTLINES OF BRITISH FUNGOLOGY. 



** PlleusJIesliij, ici/Ji a gelatinous coat. 



192. A. (Pleurotus) mastrucatus, Fr.; pileus fleshy, upper 

 stratum gelatinous, at first resupiuate, then expanded, sessile, 

 lobed, scaly ; gills greyish-white. — Soio. t. 99. 



On old trunks of trees. Rare. Pileus 1-1 inches across. 

 Imbricated. 



193. A. (Pleurotus) atro-cseruleus, Fr. ; pileus fleshy, 

 upper stratum gelatinous, at first resupinate, then obovato- 

 reniform, tomentose; gills crowded, white, changing to yel- 

 low. 



On trunks of trees. Rare, Penzance, /. Ralfs, Esq. 



194. A. (Pleurotus) algidus, Fr. ; pileus fleshy, with a 

 thin gelatinous coat, at first resupinate, then expanded, reni- 

 form, smooth; gills rather wide, crowded, pale yellowish. 



On trunks of trees. Linlithgowshire, J. C. Bauchop. About 

 an inch across. Pileus rcddish-umbcr or cinereous. 



195. A. (Pleurotus) Leightoni, B. ; pileus at first ob- 

 liquely conical, lunljer, then lead-coloured, furfuraeeous, with 

 short scattered bristles intermixed ; upper stratum gelatinous ; 

 gills rather thick, tan-coloured, distant, somewhat forked at 

 the base, slightly undulated ; interstices scarcely reticulated. 



On wood. Montford- bridge, near Shrewsbury, Rev. W. A. 

 Leighton. Pileus 5 lines broad. — Ann. of Nat. Hist. xiii. t. 9./. 1. 



196. A. (Pleurotus) cyphellseformis, B. ; pileus cup- 

 shaped, then dependent ; upper stratum gelatinous, cinereous, 

 very minutely strigose, especially at the base ; margin paler 

 sprinkled with a few meal- like scales ; gills pure white, rather 

 distant, narrow, linear. — Mag. of Zool. and Bot. i. t. 15. /. 3. 



On dead stems of herbaceous plants. INIinutc. Allied to 

 A. apjMcatus. 



*** Pileus mcmhranaccous. 



197. A. (Pleui'otus) Hobsoni, B. ,- pileus membranaceous. 



