AUSTRALIAN FUNGI. 
137 
720. Fomes incrassatus. Berk. Linn. Journ. xvi., 41. 
Sacc. Syll. 5523. =P. reniformis, Morgan Bot. Gaz. 1882, 
136. Sacc. Syll. 5439. 
Hard, kidney-shaped ; pileus at first thin, without zones, at 
length thickened, rugose, repeatedly zoned about the margin, pul- 
verulent, coffee-colour, cuticle hard (8 c.m. broad) ; hymenium 
cinnamon ; margin at length sterile, sulcate ; substance ferru- 
ginous ; pores punctiform (300 p broad), dissepiments obtuse, 
rigid. 
On trunks. Queensland. 
g. Resupinati. Pileus resupinate, or with the margin reflexed. 
721. Fomes obliquus. Pers. Fr. Hym. Fur. 570. Sacc. 
Syll. 5527. 
Very broadly ambient (4-9 man. thick), casting off the bark, 
without flesh, pallid, then bay-brown, turning blackish, commonly 
with a cristate erect margin ; pores long, small, rather penta- 
gonal ; spores sphseroid, brown (5-7 p diam.). 
On trunks, Eucalyptus, etc. Victoria. Queensland. N.S.Wales. 
Mariatta. 
722. Fomes luridus. Kalcli. Grev.x.., 103. Sacc. Syll. 5528. 
Wholly effused, closely adhering to the wood; margin deter- 
minate, firm ; pores minute, rounded, obtuse, white, then livid or 
lurid, substance umber. 
On branches. Queensland. N.S.Wales. 
723. Fomes bistratosus. B. <}• Cke. Linn. Journ. xv., 384. 
Sacc. Syll. 5529. 
Effused, umber, rather rigid, with very little substance ; pores 
stratose, punctiform. 
On deail wood. Queensland. 
Genus 25. POLYSTICTUS. Fr. 
Pileus coriaceous, inodermeous ; intermediate stratum fibrillose, 
passing into the hymenophore, in which the pores are developed 
successively from the centre towards the circumference ; at first 
superficial, punctiform, distinct, open, then excavated, crowded, 
porose, and vertically opposed to the substance of the pileus ; 
trama formed from the hymenophore, vegetation concentrical, 
zonate. 
a. Perennes. Stem central or lateral, stem anodermeous, sub- 
stance and spores somewhat ferruginous. 
724. Polystictus tomentosus. Fr. Hym. Fur. 530. Sacc. 
Syll. vi., 5585. 
Pileus corky, hard, deformed, without zones, persistently 
tomentose (12 c.m. broad), as well as the unequal stem, brown; 
pores small, equal, obtuse, entire, at first covered with a whitish 
bloom. 
On the ground. Victoria. Queensland. 
