FAVOLUS DERMOPORUS (Fig. 759) FROM REV. C. TOR- 

 REND, BRAZIL. Pileus white, smooth, faintly tessellate. Stipe 

 short, lateral, pubescent. Pores large, favoloid, deep. Cyst. none. 

 Spores 4x8, hyaline, transparent, with two or three guttae. 



Fig. 759. 



Favolus dermoporus. 



Favolus dermoporus was among the first foreign polyporoids 

 named by Persoon (as Polyporus). It has been omitted by Sac- 

 cardo. The type is at Paris in rather poor condition. It is quite 

 similar to the more common Favolus brasiliensis, but distinguished 

 by its very much larger, deeper pores, some of them ^4 cm. deep. 



POLYSTICTUS PELLUCIDUS (Fig. 760), FROM J. l"M- 

 EMURA, JAPAN. Pileus thin, cartilaginous, drying rigid and con- 

 tracted. Surface pubescent, zoned. Context white. Pores large, 

 angular, shallow, with prolonged walls. Hymenium pubescent with 



Fig. 760. 



Polyscictus pellucidus. 



hyaline, smooth cystidia (?) usually simple, sometimes branched, 

 and rarely crested. 



This species was heretofore known to me only from the type at 

 Leiden (cfr. Letter 37). The large pores are pale, with a tinge of 

 purple or rose when young. I think it is badly named, for it is not 



554 



