324 Rev. M. J. Berkeley on the Flora of Van DiemerCs Land, 



10. P. sanguineus^ Fr. 



11. P. cinnabarrinus, Fr. Mr. Gunn. 



12. P. [Ap. Bienn.) lilacino-gUvus, n. s. Subimbricated, 

 suberoso-coriaceous, horizontal, thin. Pilei 3 inches broad, \\ 

 inch long, rugged with raised subfibrous lines, more or less 

 zoned towards the margin, reddish grey tinged with lilac espe- 

 cially towards the margin, which is thin and acute; older 

 parts tinged with brown. Hymenium lilac-grey ; pores of the 

 same colour within, middle-sized, irregular, very shallow to- 

 wards the margin, which is without pores. Flesh lilac-grey, 

 spongy, about equal to the length of the tubes. 



On charred wood, Mr. Gunn. Allied to Pol, gilvus, 



13. P. australis, Fr. Mr. Gunn. 



14. P. ig7iiariuSy Fr. Besides the more common form there 

 is one frosted with a ferruginous bloom ; and a very distinct 

 variety sent by Mr. Lawrence, which occurs also in Mauri- 

 tius. This may be distinguished as a variety under the name 

 of P. igniarius var. scaber, Pileus 3i inches broad, 2^ inches 

 high, stemless, ungulate, dark brown, here and there tinged 

 with red, cracking in age into coarse scale-like scabrous plates. 

 Hymenium hollowed out or convex; pores minute, round. 

 Heavy ; flesh not very hard. 



15. P. [Ap. Bienn.) rubiginosus, n. s. Horizontal, hard, 

 stemless, rather thin, zoned, rugose, minutely velvety, espe- 

 cially when young, ferruginous. The older parts acquire a 

 brown tinge, and the margin is occasionally reddish-grey. 

 Substance ferruginous. Hymenium uneven, ferruginous ; 

 pores minute, round. 



On charred wood. Nearly allied to Pol, Ribis, 



16. P. (Resup.) orbicularis, n. s. Exactly orbicular, 3 inches 

 in diameter ; |^ of an inch thick in the centre, dark brown, 

 margin barren, membranaceous, covered with strigose pubes- 

 cence. Hymenium confined to the centre, very much cracked 

 when dry ; pores shallow, with three or four partitions minute 

 sinuated, orifice toothed, dissepiments very thin. 



On living bark, Mr. Gunn. A very remarkable species with 

 the habit of a lichen representing in the resupinate division 

 Polypori allied to P. vulpinus. On examination of the hyme- 

 nium under a high magnifier, the pores are found to be stra- 



