12 



Mycologia 



tropics and it is a form of the temperate species Polystktus 

 cinnabarinus (Jacq.) Fr. It makes no discrimination as to the 

 kind of wood upon which it will grow, being omnivorous in that 

 respect. 



Polystictus xanthopus Fr. Nov. Symb. Myc. 74. 1851 



Polyporus xanthopus Fr. Obs. Myc. 2: 255. 1815-18. Syst. 



Myc. 1 : 505. 1821. 

 Boletus katui Ehrenb. in Nees, Hor. Phys. Ber. 93. pi. ip, fig. 12. 



1820. 



Polystictus saccatus Pers. in Gaud. Bot. Freyc. Voy. Uranie 169. 



pi 1, fig. j. 1826. 



Polystictus cupro-nitens Kalchbr. Thiim. Myc. Univ. n. 1702. 

 Polystictus crassipes Curr. Flor. Pug. 122. 

 Gaudichaud, in herb. Paris Mus. 



Of general tropical distribution and particularly common 

 through the Indian and Polynesian regions. Closely related to 

 Polystictus affinis Nees and P. perula (Beauv.) Fr., though 

 having the stipe central rather than lateral, and with several 

 other related species of the "Polystictus perula Group" very 

 common on all sorts of host material in the Malayan islands. 



Polystictus xanthopus Fr. var. florideus (Berk.) Bres. Hed- 

 wigia 53 : 61. 1912 



Polyporus florideus Berk. Hook. Journ. Bot. and Kew Gard. 



Misc. 6: 137. 1854. 

 Polystictus mukuensis Cooke, Grevillea 16 : 25. 1887. 

 Polystictus luteus (Bl. & Nees) Fr., var. bukobensis P. Henn. 



Engl. Bot. Jahrb. 17: 27. 1893. 



Guam Exp. Sta. 194. 



The specimens of this collection have all the characters of the 

 variety, including the slightly larger size of the pores which aver- 

 age 66 by 1 16 /a, except the color of the top of the pileus. This is 

 pallid and of a light golden brown color. One collection of a 

 fungus identical with this has been made in the Philippine Islands 

 and has also been placed, at least for the present, as belonging to 

 this variety. It is questionable if these are not as worthy of a 



