100 Journal of Mycology [Vol. 9 ' 
Melanopus Pat. 1887. — M. caudicinus (Scop.). See 
Cerioporus. 
Merisma Gill. 1878. — M. imberbe (Bull.). Name pre¬ 
occupied. See Bjerkandera. 
Merulius (Hall.) Boehm. 1760.— (Agaricaceae, as the 
name is used by Saccardo.) 
MICROPORUS Palis. 1805. — M. perula Palis. 
Mison Adanson. 1763. Not based on a binomial species. 
See Pyropolyporus. 
Mucilago Hoffm. 1795. — Preoccupied by Mucilago Scop. 
See Xylophagus. 
MUCRONOPORUS Ell. & Ev. 1889. —M. circinatus 
(Fr.). 
MYCODENDRON Mass. 1891. — M. paradoxum Mass. 
Myriadoporus Peck. 1884. — M. adustus (Willd.). See 
Bjerkandera. Based on abnormal forms. 
OCHROPORUS Schroet. 1888. — O. contiguus (Pers.). 
Oligoporus Bref. 1889. — O. farinosus Bref. See Tyro- 
myces. 
Onnia Karst. 1889. — O. circinata (Fr.). See Mucrono- 
porus. 
Pelloporus Quel. 1886.— P. triqueter (Fr.). See Inonotus. 
Phaeporus Schroet. 1888. — P. obliquus (Pers.). See 
Physisporus. 
Phellinus Quel. 1886. — P. igniarius (L.). Name pre¬ 
occupied. Pyropolyporus proposed. See Torrey Bulletin for 
Feb. 1903. 
Phorima Rafin. 1809. — Species indeterminate. 
PHYSISPORINUS Karst. 1889. — Ph. vitreus (Pers.).. 
PHYSISPORUS Chev. 1836. — P. obliquus (Pers.). 
PIPTOPORUS Karst. 1881. — P. suberosus (L.). 
Placodes Quel. 1886. — P. flabelliformis (Scop.). See 
Ganoderma. 
PODOPORIA Karst. 1892. — P. confluens Karst. 
Polypilus Karst. 1881. — P. frondosus (Dicks.). See 
Grifola. 
Polyporellus Karst. 1879. — P- polyporus (Retz). See 
Polyporus. 
Polyporus (Mich.) Adans. 1763. — Not founded on a 
binomial. 
POLYPORUS (Mich.) Paulet. 1793. — P. caudicinus 
(Scop.). 
Polystictus Fr. 1851. — P. parvulus (Kl.). See Coltricia. • 
Poria Adans. 1763. — Not founded on a binomial. 
PORIA Pers. 1794. — P. medullapanis (Jacq.). 
