Part 1, 1907] POLYPORACEAE 45 
1. Earliella corrugata (Pers.) Murrill, Bull. Torrey Club 34: 468. 1907. 
Polyporus corrugaius Pers; Gaud. Voy. Freyc. Bot. 172. 1826. (Type from Rawak island.) 
Polyporus fusco-badius Pers; Gaud. Voy. Freyc. Bot. 172. 1826. (Type from the Mariana islands.) 
Polyporus scabrosus Pers; Gaud. Voy. Freyc. Bot. 172. 1826. (Type from the Mariana islands.) 
? Polyporus mariannus Pers; Gaud. Voy. Freyc. Bot. 173. 1826. (Typefrom the Mariana islands.) 
Daedalea sanguinea Klotzsch, Linnaea 8: 481. 1833. (Type from the East Indies.) 
? Trametes bicolor Berk. Trans. Linn. Soc. 16: 43. 1878. "(Type from the island of Aru.) 
Polystictus Persoonti Cooke, Grevillea 14: 85. 1886. 
Trametes nitida Pat. Jour. de Bot.4: 17. 1890. (Type from Tonkin.) 
Earliella cubensis Mutrill, Bull. Torrey Club 32: 479. 1905. (Type from Herradura, Cuba.) 
Pileus annual, often reviving, semi-resupinate, laterally extended, conchate, imbricate, 
3-6 X 5-15 X 0.2-0.5 cm.; surface thinly encrusted, glabrous, rugose, zonate, dark reddish- 
brown behind, or leaving a white marginal band 3-12 mm. in width; margin tumid, at 
length thin, undulate or lobed, fertile: context white, coriaceous, concentrically zonate ; 
tubes 2-3 mm. long, 2-4 to a mm., white within, the mouths deep reddish flesh-colored 
fading to white, dissepiments at first thick, at length becoming thin and irregular with 
wavy edges: spores ellipsoidal, smooth, hyaline, 3-4 5-64; cystidia none. 
TYPE LOCALITY: East Indies. 
HABITAT: Dead deciduous wood. 
DISTRIBUTION : In all tropical regions. 
DOUBTFUL, SPECIES 
Polyporus rudis Lév. Ann. Sci. Nat. TIT. 5: 133. 1846. Polyporus subfulvus Cooke, 
Trans. Bot. Soc. Edinb. 13: 153. 1878. Collected on trunks in Guadeloupe by L’Her- 
minier. The description suggests faded specimens of £. corrugata. 
33. RIGIDOPORUS Murrill, Bull. Torrey Club 32: 478. 1905, 
Hymenophore annual, at times reviving, epixylous, sessile, dimidiate to circular, sim- 
ple or imbricate; surface pelliculose, multizonate, margin thin, incurved when dry: con- 
text thin, white, fleshy-corky, very rigid when dry; tubes minute, regular, light-colored, 
mouths usually pruinose when young: spores smooth, hyaline. 
Type species, Polyporus micromegas Mont. 
Pileus effused, very narrowly reflexed. 1. R. microsiomus. 
Pileus circular, fixed at the center. 2. R. evolutus. 
Pileus normally expanded, dimidiate or fan-shaped, sometimes decurrent. 
Tubes very short, 0.5-1.5 mm. long. 
Pileus latericeous to bay with isabelline lines ; tubes 6-7 toa mm. 3. R. substereinus. 
Pileus bay to blackish ; tubes 10 to a mm. 4. R. Liebmanni. 
Tubes rather slender, 2-4 mm. long. 
Edges very obtuse. 5. R. contrarius, 
Edges thin. 6. R. surinamensis, 
1. Rigidoporus microstomus (Berk. & Curt.) Murrill. 
Polyporus microstomus Berk. & Curt. Jour. Linn. Soc. 10: 309. 1868. 
Pileus effused, laterally connate, very shortly reflexed, 1-4 1-1.5 & 0.2-0.4 cm., the 
reflexed portion very narrow, latericeous, finely pubescent to glabrous, faintly zonate, with 
athin, undulateor slightlylobed, yellowish-white margin: context very thin, white, fibrous ; 
tubes long and slender, 2-3 mm., white within, mouths minute, 7 to a mm., ochraceous or 
flesh-colored, edges obtuse, entire: spores not examined. 
TYPE LOCALITY: Cuba. 
HaBitaT: Dead wood. . 
DISTRIBUTION : Known only from the type locality. 
2. Rigidoporus evolutus (Berk. & Curt.) Murrill. 
Polyporus evolutus Berk. & Curt. Jour. Linn. Soc. 10: 308, 1868. 
Pileus fleshy-tough, rigid when dry, circular, fixed at the center, 1-2.5 cm. broad, 1-2 
mm, thick; surface multizonate, radiate-rugose, tomentose to resinous-glabrous, latericedus, 
with ochraceous blotches, black behind; margin thin, acute, undulate to slightly lobed, 
ochraceous: context very thin, pallid, fibrous; tubes pallid, 1-1.5 mm. long, mouths 
