Parr 2, 1908] POLYPORACEAE 125 
punky: hymenium normally labyrinthiform, but varying to lamellate and porose in some 
species: spores smooth, hyaline. 
Type species, Agaricus quercinus Ly. 
Tubes one to several millimeters in transverse diameter ; surface usually brown or discolored. 
Pileus thick, triangular, margin obtuse. ‘ 
Context isabelline ; found on oak and chestnut. 1. D. quercina. 
Context white ; found on red cedar and very rare. 2. D, juniperina. 
Pileus thin, applanate, margin thin. 
Pileus very large, 15 cm. or more broad ; confined to the tropics. 3. D. Sprucet, 
Pileus less than 10 cm. broad; more abundant in temperate regions. 4. D. confragosa. 
Tubes less than one half millimeter in transverse diameter; surface white or 
yellowish. 
Pileus reniform, rigid, usually azonate ; plants found in the southern states. 5. D. Aesculz. 
Pileus thin, flexible, variously shaped, usually multizonate ; plants confined 
to the tropics. 6. D. amanitotdes. 
1. Daedalea quercina (1,.) Pers. Syn. 500. 1801. 
Agaricus quercinus L,, Sp. Pl. 1176. 1753. 
Agaricus labyrinthiformis Bull. Herb. Fr. pl. 352. 1787. 
Polyporus latissimus Fries, Obs. Myc. 1: 128. 1815. 
Daedalea quercina nigricans Fries, Syst. Myc. 1: 333. 1821. 
? Daedalea plumbea Lév. Ann. Sci. Nat. ITI. 5: 302. 1846. (Type from New York.) 
? Trametes kansensis Cragin, Bull. Washburn Lab. Nat. Hist. 1: 24. 1884. (Type from Kansas.) 
‘Pileus corky, rigid, dimidiate, sessile, imbricate, applanate, convex below, triangular 
in section, 6-12 9-20 & 2-4 cm.; surface isabelline-avellaneous to cinereous or smoky- 
black with age, slightly sulcate, zonate at times, tuberculose to colliculose in the older 
portions; margin usually thin, pallid, glabrous: context isabelline, soft-corky, homoge- 
neous, 5-7 mm. thick ; tubes labyrinthiform, becoming nearly lamellate with age in some 
specimens, 1-2 cm. long, 1-2 mm. broad, chalk-white or discolored within, edges obtuse, 
entire, ochraceous to avellaneous. 
TYPE LOCALITY : France. 
Hasitat: Stumps, trunks and timbers of oak and chestnut. 
DISTRIBUTION: Temperate North America; also in Europe. 
ILLUSTRATIONS: Sow, Engl. Fungi p/. 787; Bull. Herb. Fr. loc. cit, 
ExsiccaTi: Ellis, N. Am. Fungi 325; Beck, Krypt. Exs. 312; Roum. Fungi Sel. 102, 
Krieger, Fungi Sax. 762, Linhart, Fungi Hung, 537; Allesch. & Schn. Fungi Bavar. 47; Sydow, 
Myc. Mar. 207; Desmaz. Pl. Crypt. 465. 
2. Daedalea juniperina Murrill. 
A garicus Juniperinus Murrill, Bull. Torrey Club 32: 85. 1905, 
Sporophore corky, sessile, attached by a broad, often decurrent, base, and composed of 
imbricate, terraced or laterally connate, ungulate pilei 2-5 X 2-7 1.5-3 cm.; surface 
irregular, anoderm, finely tomentose, yellowish-white, becoming cinereous with age ; 
marginal edge fertile, concolorous, not rounded, but often forming an obtuse angle: con- 
text corky, white, concentrically banded, 0.5-1 cm. thick ; furrows large, labyrinthiform, 
radially, rarely otherwise, elongate, 0.5-2 cm. long, 1-3 mm. wide, white or pallid, edges 
obtuse, often splitting into broad irpictform plates: spores smooth, hyaline, ovoid, 34x 
5-6; hyphae hyaline, 5-7 #; cystidia none. 
TYPE LOCALITY: Rockport, Kansas. 
HABITAT: Dead stumps and trunks of red cedar. 
DISTRIBUTION : Missouri and Kansas. 
3. Daedalea Sprucei Berk. Jour. Bot. & Kew Misc. 8: 236. 1856. 
Lenzites distantifolia Romell, Bih. Sv. Vet.-Akad. Handl. 26 (3)16: 12. 1901. (Type from Matto 
Grosso, Brazil.) 
Pileus corky, flexible, very large, applanate, concave below, dimidiate to fan-shaped, 
thicker behind, 10-20 X 15-30 X1-2.5 cm.; surface multizonate, slightly furrowed, finely 
tomentose to glabrous, rugose, sometimes tuberculose, dark-avellaneous or umbrinous, 
becoming blackish behind; margin thin, zonate, pallid: context zonate, soft-corky, isabel- 
line, nearly fulvous when dry, 3-5 mm. thick; tubes daedaleoid, becoming irpiciform, white 
within, unctuous to the touch, 2-3 mm. broad, 1~2 cm. deep, edges thick, firm, soon split- 
