AUSTRALIAN FUNGI. 
123 
** Substance white. 
644. Polyporus demissus. Berk. Hook. Journ. 1845, 52. 
Sacc. Syll. vi., 5140. 
Pilei imbricate, hood-shaped, corky, dependent, spongy tomen- 
tose, pallid yellow, or tawny behind (12-13 m.m. long, 2^ c.m. 
broad); hymenium at length greyish tawny; margin sterile; 
pores roundish, minute, edge white and somewhat obtuse. 
On rotten wood. W. Australia. 
645. Polyporus rhinocephalus. Berk. FI. Tasm. u., 253,. 
t. 182. Sacc. Syll. vi., 5141. 
Pileus dimidiate, shell-shaped, thin, whitish, at first tomentose, 
then scabrous, veined, or aculeate (25 m.m. broad) ; pores white, 
then cinereous, minute (182 p). 
On rotten wood. Tasmania. 
646. Polyporus adustus. Fr. Hym. Eur. 549. Sacc. Syll.. 
vi., 5146. 
Pileus fleshy, tough, thin, villose, pallid cinereous, effused and 
reflexed behind (sometimes wholly resupinate) ; margin straight, 
becoming black ; pores minute, short, round, obtuse, pruiuose,. 
white, soon grey (and at length nearly black), obsolete at the 
margin. 
On trunks. Victoria. Queensland. 
647. Polyporus dichrous. Pers. Fr. Hym. Eur. 550. Sacc. 
Syll. vi., 5152. 
Pileus fleshy, tough, thin, soft, effused and reflexed, even, silky, 
white (2-4 c.m. diam.) ; margin of the same colour, straight ; 
pores short, minute, round, cinnamon brown, obtuse. 
On trunks. Victoria. 
k. Hispidi. Anodermeous. Pileus at first spongy, watery , then 
firm and elastic, made up of stout, divergent fibres, so as to be 
everywhere bristly hispid ; pores continuous with the fibres of 
the substance. Flesh commonly with an intermediate stratum, 
the exterior being hispid. 
* Substance coloured. 
648. Polyporus hispidus. Bull. Fr. Hym. Eur. 551. Sacc. 
Syll. 5165. 
Pileus compact, spongy, fleshy, dimidiate, pulvinate, hispid,, 
ferruginous brown, internally divergently fibrous (10-15 c.m. 
broad) ; pores minute, rounded, rather distinct, fimbriate, paler. 
Spores 5-6 x 3 p. 
On trunks. Queensland. 
649. Polyporus fruticum. B. C. Linn. Journ. x., 310. 
Linn. Trans, i., pi. 46, f. 9, 10. Sacc. Syll. 5169. 
Pileus thin, soft, dimidiate, or fixed by the vertex, fibrously 
spongy, without zones, rhubarb-colour, substance radiately fibrous, 
