Genus Polyporus 
German tinder, which, in the form of sticks or fusees, commonly 
known as punk, is used for lighting cigars and pipes in the 
wind, or for touching off fireworks. 
The fusees are made by beating the fungus substance until 
it is flexible, and then dipping it into saltpetre, 
Polyporus conchatus 
Polyporus conchatus is a beautiful species found on the 
under side of fallen trees, growing in such a manner that from 
the spore-bearing surface the shells look like rosettes of shim- 
mering golden-brown velvet. 
Polyporus velutinus 
Polyporus velutinus is common in the form of stiff ruffles 
with white or creamy spore sutface, and grey or tan-coloured 
plush-like upper surface. 
Polyporus pergamenus 
Polyporus pergamenus has a somewhat Dristle-like, tan- 
coloured spore surface, and a velvety drab upper surface, often 
tinged with green from a green alga which grows upon it. 
Polyporus perennis 
Polyporus perennis resembles a slender-stemmed goblet. 
Polyporus sulphureus 
Polyporus sulphureus is an edible fleshy form. It grows in 
clusters, the stemless caps often five or six inches broad and 
overlapping. The colour of the young cap is yellowish red or 
pale orange, with the margin wavy, and of a beautiful yellow. 
It is soft and juicy, and often—when cut—exudes a yellow 
juice. 
The plants may be found on the dead wood of trees 
during showery weather from May to October. The mature 
plants become dry and crumbling, and as they dry they lose 
Cén-cha'-tiis Vél-i’-ti-niis -Pér-gd-mé’-niis  Pér-én’-nfs_—Stil-phii’-ré-tis 
Ill 
