178 FUNGUS-FLOKA. 



the flingy pale nmber colour and subgelatinous consistency 

 when growing. 



Porothelium Friesii. Mont. 



Forming Lroadly efiused, thin, inseparable white or pale 

 ochraceous patches of irregular form 1-3 in. across, flocculoso- 

 mcmbranaceoiis ; margin thin, sterile, minutely fibrilloso- 

 radiate ; warts immersed, perforated at the apex, yellowish, 

 scattered, at length becoming ojDen ; spores colourless, ellip- 

 tical, 5 X 3 /A. 



Porothelium Friesii, Montagne, Ann. Sci. Nat. (1836), vol. v. 

 p. 339 ; Cke., Hdbk., n. 840, fig. 69. 



On bark and wood. Resembling a thin Corticiiun, and care 

 must be taken not to confound the present species with thin 

 forms of Coriicium lacunosum and C. porosnm, both of which 

 are distinguished hy the waxy, polished hymenium. 



Porothelium confusum. P.. &r,r. (figs. 14, 15, p. 149.) 

 Broadly and irregularly elfused, closely adnate and insepa- 

 rable, thin, pallid, waxy-looking and rather polished, margin 

 byssoid ; pai)illae scattered, distinct, very short, excavated at 

 the tip ; spores 4-5 x 1 • 5 /x. 



Porotlielium confusum, B. & Br., Ann. Nat. Hist., ser. v., 

 vol. i. p. 24, no. 1685; Stev., Fung., p. 231. 



On wood, sticks, &c. Often vaguely and irregularly 

 effused, thin, dirty white, dingy pale buff when dry; pa- 

 pillae or pores not more than | line long. 



Porothelium Stevensoni. B. & Br, 



Substance rather thick, gelatinous, effused, closely adnate, 

 whitish, margin rather coarsely hispid, at length almost 

 smooth ; papillae distinct, scattered, bearing at the apex a 

 diaphanous yellow globule, interstices waxy, polished ; spores 

 4 X 1 • 5 /i. 



Porothelium Stevensoni, B. X' Br., Ann. Nat. Hist., n. 1683; 

 Stev., Brit. Fung., p. 231, fig. Ixxi. 



On old pine-rail. Almost white when fresh, becoming 

 yellowisli when old. The limi)id globule is at first pale. 

 When fnll grown the ])apilla is from four to five times as 

 long as the diameter of the globule. The mycelium imparts 

 a sweet scent to the wood. Found in greatest perfection 



