18 NORTH AMERICAN FLORA [VoLuME 9 
Tubes soon breaking up into long irpiciform teeth. 
Plants large, 6-20 cm. wide and 5-10 mm. thick. 
Pileus 5-10 cm. broad, surface fibrillose-tomentose. 35. C. biformis. 
Pileus 10-20 cm. broad, surface roughly villose-tomentose. 36. C. maximus. 
Plants much smaller and always very thin. 
Pileus 1 cm. or less broad ; plants confined to the tropics. . 
Pileus flabelliform, glabrous. 37. C. sobrius. — 
Pileus subcampanulate, pendulous, eTUMpent; finely tomentose. 38. C. cyphellordes. 
Pileus more than 1 cm. broad. woe 
Surface ashy-white, villose; plants confined to coniferous wocd. 39. C. abtedinus. 
Surface wood-colored, tomentose ; plant found on both deciduous : 
and coniferous wood. 40. C. prolificans. 
1. Coriolus versicolor (1,.) Quél. Ench. Fung. 175, 1886. 
Boletus versicolor ¥,, Sp. Pl. 1176. 1753. 
Polyporus versicolor Fries, Syst. Myc. 1: 369. 1821. 
Polystictus azureus Fries, Nov. Symb. 93. 1851. (Type from Mexico.) 
Pileus densely imbricate, very thin, sessile, dimidiate, econchate, 2-4 3-7 x 0.1-0.2 
cm.; surface smooth, velvety, shining, marked with conspicuous, glabrous zones of various 
colors, mostly latericeous, bay or black; margin thin, sterile, entire: context thin, mem- 
branous, fibrous, white; tubes punctiform, less than 1 mm. long, white to isabelline within, 
mouths circular to angular, regular, even, 4-5 toa mm., edges thick and entire, becoming 
thin and dentate, white, glistening, at length opaque-isabelline or slightly umbrinous: 
spores allantoid, smooth, hyaline, 4-6 1-2; hyphae 2-6; cystidia none. 
TYPE LOCALITY: Europe. 
Hapitat: Dead wood. 
DISTRIBUTION : Cosmopolitan. 
EXsICccATI: Ellis, N. Am. Fungi7, 2304; Ellis & Ev. Fungi Columb. 307; Ellis & Ev. N. Am. 
Fungi 2509; Rav. Fungi Car.1: 74; Rav. Fungi Am, 2/1; Shear, N. Y. Fungi 39 ; Romell, Fungi 
Scand. 74; Linhart, Fungi Hung. 148 ; Sydow, Myc. Mar. 1708 ; Thiim. Fungi Austr. 9/6 ; Krieger, 
Fungi Sax. 718 ; Cavara, Fungi ‘Longob. iS. 
2. Coriolus hirsutulus (Schw.) Murrill, Bull. Torrey 
Club 32: 643. 1906. 
Polyporus hirsutulus Schw. Trans. Am. Phil. Soc. II. 4: 156. 1832. 
Pileus small, thin, coriaceous, conchate, sessile or umbonate-afixed, dimidiate, 0.5-0.8 
X1-1.5 X 0.1-0.2 cm. ; surface smooth, azonate or narrowly zoned, conspicuously strigose- 
hoary, the zones glabrous and yellowish-brown: margin thin, inflexed, becoming fimbriate: 
context thin, white, fibrous; tubes punctiform, less than 1 mm. long, white to pallid within, 
mouths regular, slightly angular, 4-5 to a mm., edges thin, entire to slightly dentate: 
spores smooth, hyaline. 
TYPE LOCALITY: Bethlehem, Pennsylvania. 
HABITAT: Dead branches of Sassafras and certain other kinds of deciduous wood. 
DISTRIBUTION: Eastern Canada to Louisiana and west to Ohio. 
3. Coriolus ectypus (Berk. & Curt.) Pat. Tax. Hymén. 94. 1900. 
Polyporus ectypus Berk, & Curt. Grevillea 1: 52. 1872. 
Pileus tough, rigid or slightly flexible, imbricate, sessile or umbonate-sessile, dimidiate, 
conchate, 3-7 4-8 X0.5-0.7 cm.; surface finely tomentose to nearly glabrous, smooth, 
pale-isabelline with pale-rufous zones ; margin thin, entire, sterile: context punky, white, 
zonate, 24 mm. thick; tubes 2-3 mm. long, white within, mouths circular to slightly 
angular, very regular, 4-5 to a mm., edges thick, entire, pallid, becoming thin, slightly 
dentate, glistening and pale-avellaneous at maturity: spores ellipsoidal, smooth, hyaline,__- 
2X3; hyphae 3; cystidia none. 
TYPE LOCALITY: South Carolina. 
Hapsitat: Dead deciduous wood. 
DISTRIBUTION: South Carolina, Georgia, Florida, and Louisiana. 
ExsiccaTt: Ellis & Ev. N. Am. Fungi 2017; Rav. Fungi Am. 716. 
4. Coriolus pubescens (Schum.) Murrill, Bull. Torrey 
Club 32: 645. 1906. 
Boletus pubescens Schum. Enum. Pl. Saell. 2: 384. 1803. 
Polyporus pubescens Fries, Obs. Myc. 1: 126. 1815. 
