Par? 1, 1907] POLYPORACEAE 71 
irregular, 1-2 toa mm., edges very thin, pallid and entire when young, at length orange- 
colored and very lacerate: spores smooth, oblong, hyaline or pale-yellowish, 6-7 K 3-4 4. 
TYPE LOCALITY: Finland. 
HaBItTaT: Dead coniferous wood. : 
DISTRIBUTION: Northern North America, as far south as New York; also in Europe and Asia. 
43. PYCNOPORUS Karst. Rev. Myc. 3’: 18. 1881. 
Hymenophore annual, sometimes reviving, epixylous, sessile, dimidiate, simple or 
imbricate, rarely pseudo-stipitate; surface anoderm, slightly pelliculose at times, zonate 
or azonate, bright- or dull-red: context red, soft-corky to punky; hymenium concolorous, 
tubes small, firm, thin-walled: spores smooth, hyaline. 
Type species, Boletus cinnabarinus Jacq. 
Pileus thick, smooth, opaque; plant abundant in temperate regions. 1. P. cinnabarinus. 
Pileus thin, often zonate, brilliant-red ; plantabundant in the tropics. 2. P. sanguineus, 
1. Pycnoporus cinnabarinus (Jacq.) Karst. Rev. Myc. 3°: 18. 1891. 
Boletus cinnabarinus Jacq. Fl. Austr.4: 2. 1776. 
Boletus cocctneus Bull. Herb. Fr. 364. 1791. 
Polyporus connabarinus Fries, Syst. Myce. 1: 371. 1821. 
Trametes cinnabarina Fries, Nov. Symb. 98. 1851. 
Pileus convex-plane, dimidiate, laterally extended, reviving the second season, 4-6 X 
5-10  0.5-1 cm.; surface azonate, rugulose, pruinose to tomentose, at length glabrous, 
the color changing from light-orange to cinnabar-red, often fading with age; margin acute, 
except in large plants, faintly zonate: context floccose, elastic, zonate, reddish; tubes 
nearly equaling the context, firm, miniatous within, the mouths small, 2-3 to a mm., 
regular, coccineous, dissepiments rather thin, entire: spores smooth, hyaline, 6-8 X 2-34. 
TYPE LocaLity: Carinthia, Austria. 
HABITAT: Dead wood of various deciduous trees. 
DISTRIBUTION : Canada and the United States; also in Europe and Asia. 
ILLUSTRATIONS: Jacq. Fl. Austr. p/. 30¢; Bull. Herb. Fr. 2. 501, f. 1. 
ExsIccaTI: Rav. Fungi Am. 4/9 ; Thim. Myc. Univ. 2007; Ellis & Ev. Fungi Columb. 205 ; 
Ellis, N. Am. Fungi 502; Rav. Fungi Car. 2: 77; Karst. Finl, Fungi 425, 
2. Pycnoporus sanguineus (L,.) Murrill, Bull. Torrey 
Club 31: 421. 1904. 
Boletus sanguineus 1. Sp. Pl. ed. 2. 1646. 1762. 
Xylometron sanguineum Paulet, Traité Champ. pl. rf yo 3,4. 1812? 
Polyporus sanguineus G. Meyer, FI. Esseq. 304. 181 
Polystictus sanguineus Fries, Nov. Symb. 75. 1851. 
Polyporus argentatus Cooke, Grevillea 15: 20. 1886. (Type from Australia.) 
Pileus thin, coriaceous, sessile or spuriously stipitate, dimidiate, conchate or reniform, 
imbricate, laterally connate at times, 3-5 X 4-8 x 0.4-0.6 cm.; surface zonate, finely tomen- 
tose to glabrous, bright-red, often variegated with yellowish-red zones, fading to pure 
white in old specimens exposed to the sun; margin acute, finely tomentose, yellowish-red : 
context floccose, elastic, yellowish-red, 1-3 mm. thick; tubes annual, very short, bright 
reddish-miniatous, scarcely a mm. long, mouths circular to angular, regular, minute, 3-5 
to a mm., edges thin, firm, entire, concolorous with the interior: spores smooth, hyaline, 
oblong, 3-4 « 1-24. 
TYPE LOCALITY: Surinam. 
HaBiTaT: Dead wood of various deciduous and evergreen trees. 
DISTRIBUTION ; Tropical regions of the world. 
Exsiccatr: Ellis & Ev. N. Am. Fungi 501; Underw. & Cook, Illust. Fungi /¢; Thiim. Myc. 
Univ. 805, 905; Rav. Fungi Car. 2: 16; Rab. -Wint. Fungi Eur. 3032 ; Rav. Fungi Am. 418. 
44. AURANTIPORUS Murrill, Bull. Torrey Club 32: 487. 1905. 
Hymenophore large, annual, epixylous, sessile, dimidiate; surface anoderm, sodden, 
bibulous, reddish-orange, soon fading: context reddish-yellow, fleshy-tongh to woody, 
juicy when fresh, rigid when dry, conspicuously zonate; tubes small, slender, thin-walled, 
brilliant-orange when fresh, becoming dark, resinous and fragile on drying: spores smooth, 
hyaline. 
Type species, Polyporus Pilotae Schw. 
