222 
THE LARGER FUNGI 
bracket is convex, very irregular and rough, an<l dark brown to blackisii, much 
the colour of the dark rough bark of the tree. Pores irregular to rounded, 0.5 
to 1 inra., dissepiments rounded, Pinkish Buff (xxix.) or paler. Context a little 
darker. 
(2) Tubes wide, more or less hexagonal. 
HEXAGONA Fries. 
(L., hexagonuf!, having six angles.) 
“Pilous corky or coriaceous, sessile, dimidiate. Pores large, polygonal or 
rounded, separated by thick partitions continuous and homogeneous with the 
substance of the pileus. Spores smooth, white (or pale brown).'” — Bourdot and 
Galzin. 
The large, usually polygonal, pores with thick partitions characterise the genus. 
Our two species liotli have exceptionally large spores. In 11. deoipiens these are 
pale brown which does not accord witli the generic description as given by 
Bourdot and Galzin. 
342. Hsxagona decipiens Berk. (L., decipio, to entrap, to deceive). — Forming 
brackets, usually single, sometimes imbricate, up to kin. (7.5 cm.) laterally and 
l.iin. (3.1 cm.) from before backwards, laterally attached along tlie whole length 
[Drawin-ff htj II. Ju.steliu.’i. 
Fig-ure 49. — Me.ixtigona deoiiiiem Berk. (No, 342). On sheoak, Clare. Also underside, 
showing large pores. X2. 
01 foi only the central lialf, the attachment extending a. little upwards and 
dounnards (up to ((in., l.cS cm.). ITpjier surface convex, concentricallv sulcate 
and zoned, harsh iibrillose to villous, edge convi'x, dark brown near Clove Brown 
(XI,.), edge like the under surface near Buify Brown (xm). Hymenial surface 
plane to slightly concave, pore orifices round-polvgonal, up to I mm. wide, 5 to 
() in 5 mm., dissepiments ratlier thin but rounded, lirown with a grevish bloom, 
tubes up to (i mm. deep. Context brown, about 1.5 mm. tliick. Thickness of 
pileus about 5 mm. in the centre, equally attenuated outwards from tlie attach- 
ment. Spores obliqimly elliptical to rather mummy-shaped, pale brown, 15.5 to 
(^ueB)^ 22.5 x (i.5 to 10.5 g. On dead, sometimes on living, Sheoaks 
(Casuanna siricta Ait) and otlier species of Ca.suarina. Once on dead Eucalyptus 
leucoxylon F.v.M., and on Slieoaks adjacent (Clare). South Australia Clare 
ilouiit Remarkable, Quorn, Bangham (S.E.), Marble Range (E P ) Pearson 
Islands (Great Australian Bight). Victoria. New South. Wales. Queensland 
January, May, June, August. (Figure 49.) 
