OF SOUTH AUSTRALIA. 
181 
Classification of Families and Genera. 
HYMENOMYCETALES— continued. 
POLYPOBACEAE. 
I. Hymeniuni soft, separal)le from the pilous, at first covered by a veil, becoming 
fully exposed at maturity. (Tribe Boletbae.) 
Tubes regular. 
Pileus more or less smooth. 
Large. 
Spores white or pale yellowish Gyroporus. 
Spores pink Tylopilus. 
Spores purple . Phaeoporus. 
Spores ocln-aceous, ferruginous or olivaceous. 
Tubes long Boletus. 
Very small and tender Filoboletus. 
Pileus floecose scaly. 
Spoi'es ochraceous. Tubes sliort, alveolar, decurrent . . Boletinus. 
Pileus covered with imbricate scales Strohilomyces. 
Tubes gyrose-plicate, very short Gyrodon. 
II. Ilynienium exposed from tlie first, lining coherent tubes, sometimes toothed, 
or anastomosing plates. (Tribe Polyforeae.) 
Beceptacle pileate, not gelatinous. 
Tubes entire. 
Tubes usually in strata. 
Receptacle hard, woody or corky. Spores white 
or coloured Pomes. 
Receptacle stipitate or sessile, with a more or less 
laccate crust. Spores coloured, truncate at base Ganoderma. 
Tubes not in strata. 
Tubes at pi-oximal ends even. 
Fleshy firm, relatively tliick. Tubes forming 
a layer distinct from tlie substance of the 
pileus Polyporus. 
Leatlieiy, thin. Tubes homogeneous with 
the substance of the pileus, not forming a 
distinct layer . Polystictus. 
Tubes at proximal ends sunk different depths into 
the context. 
Tubes rounded Trametes. 
Tubes wide, more or less liexagonal . . _ . . Kexagona. 
Tubes torn into teeth. 
Tubes alveolar, becoming torn or toothed, leathery or 
leathery membranaceous Irpex. 
Similar but substance woody Eehinodontmm. 
Tubes becoming torn into teeth or gill-like plates 
anastomosing at the base, fleshy or membranaceous 
fleshy Sistotrema. 
Tube-like spaces formed of lamellae which anastomose. 
Tubes labyrinthifoi'in, irregular or sinuous Daedalea. 
Iramellae radially arranged Lenzites. 
Lamellae concentrically arranged Cyolomyces. 
Lamellae vein-like, anastomosing, radial Favolus. 
I^ike Favolus but with thick setae Flmerina. 
I,amellae very small, tliin, forked, parallel, line-like . Hymenogramme. 
Receptacle resupinate, not gelatinous. 
Tubes simple Poria. 
ITymenium or the wliole receptacle gelatinous, mostly small. 
Pores more or less honey-combed. 
Receptacle leathery. Hymenium gelatinous Gloeoporus. 
Receptacle uniformly gelatinous Laschia. 
