CONTEXT AND PORES WHITE OR PALE. 



POLYPORUS PELLICULOSUS (Figs. 633 and 634). Pileus 

 sessile (3-4x>^xl>2 cm.), with a thin, closely adnate, black crust, 

 beset with scattered, short, erect, black spicules which are of the 

 nature of clusters of tomentum. Flesh white, 1 cm. thick, soft (now), 

 but not fragile. Pores (now) darker than the flesh, but probably 

 white when fresh, small, collapsed in drying, ^ cm. long, separated 

 from the flesh by a dark line. Spores in great abundance, hyaline, 

 small, 5x7, many smaller. 



Fig. 633. 



Polyporus pelliculosus. 



Fig. 634. 



Known at Kew scantily from Australian collections. The crust, 

 of course, is quite different, but the flesh and pores, and the way they 

 dry, their colors, and the abundant spores, all recall Polyporus spu- 

 meus. Polyporus spiculifera (Fig. 634) is a thin form with the to- 

 mentum collected into very distinct nodules. 



Compare spiculifera 



Fig. 635. 



Polyporus flavescens. 



POLYPORUS FLAVESCENS (Fig. 635). Pileus ungulate 

 (4x6x3 cm.), sessile, with a thin, reddish yellow, smooth, papery 

 crust, resembling to some extent the usual Ganodermus crust as to 



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