Par? 2, 1908] POLYPORACEAK 73 
Hymenophore cespitose-multiplex, 30-60 cm. broad; pileus cheesy, not becoming 
rigid, reniform, very broad, more or less stipitate, 5-15 & 7-20 x 0.5-1 cm.; surface finely 
tomentose to glabrous, rugose, anoderm, subzonate at times, varying from lemon-yellow 
to orange, fading out with age; margin thin, fertile, concolorous, subzonate,. finely tomen- 
tose, undulate, rarely lobed: context cheesy, very fragile when dry, yellow when fresh, 
usually white in dried specimens, homogeneous, 3-7 mm. thick; tubes annual, 2~3 mm. 
long, sulphur-yellow within, mouths minute, angular, somewhat irregular, 3-4 toa mm., 
edges very thin, lacerate, sulphur-yellow, with color fairly permanent in dried specimens : 
spores ovoid, smooth, or finely papillate, hyaline, 6-8 XK 3-5. 
TYPE LOCALITY: Europe. 
Hapitat: Trunks of deciduous, and rarely evergreen, trees. 
DisTRIBUTION : Cosmopolitan. 
ILLUSTRATIONS: Batt. Fung. Hist. p/. 34, f. B; Bull. Herb. Fr. loc. cit.; Gibson Edible Toadst. 
pl. 26 
ExsiccaTi: Ellis & Ev. N. Am. Fungi 707; Shear, N. VY. Fungi 30; Cavara, Fungi Longob. 
214; Thiim. Myc. Univ. 1603, Linhart, Fungi Hung. 749; Krieger, Fungi Sax. 365; Rab. Fungi 
Eur. 907, Thiim. Fungi Austr. 1008. 
47. PHAEOLOPSIS Murrill, Bull. Torrey Club 32: 489. 1905. 
Hymenophore annual, epixylous, stipitate; surface azonate, anoderm, yellow or brown; 
margin acute: context yellow, fleshy to tough and fibrous, not friable; tubes yellow, 
regular, minute, thin-walled: spores smooth, hyaline: stipe excentric or lateral, with sub- 
stance and surface like that of the pileus. 
Type species, Polyporus Verae-crucis Berk. 
1. Phaeolopsis Verae-crucis (Berk.) Murrill, Bull. Torrey 
Club 32: 490. 1905. 
Polyporus Verae-crucis Berk. Ann. Mag. Nat. Hist: 10: Suppl. 369. 2. 9-22, 1843. 
Pileus fleshy to tough, becoming rigid, flabelliform, with stipe lateral or excentric, 
depressed behind, 5-6 X 7-8>0.2-0.3 cm.; surface anoderm, azonate, glabrous, radiate- 
striate, bright-fuscous, darker with age; margin acute, undulate to lobed, inflexed when 
dry: context dark yellowish-orange in dried specimens, rhubarb-yellow when fresh, tough 
and fibrous, glistening, 1-2 mm. thick; tubes annual, about 1 mm. long, rhubarb-yellow 
when fresh, becoming fuscous, mouths minute, circular, regular, 6-7 to a mm., edges thin, 
equal, entire: stipe excentric or lateral, attenuate below, rhubarb-yellow when fresh, 
rough, slightly tomentose, resembling the context within. 
TYPE LOCALITY: Vera Cruz. 
HABITAT: Roots of trees. 
DISTRIBUTION : Known only from the type locality. 
ILLUSTRATION: Ann. Mag. Nat. Hist. loc. cit. 
48. CERRENELLA Murrill, Bull. Torrey Club 32: 361. 1905. 
Hymenophore thin, effused-reflexed, annual, epixylous; surface brown, zonate, ano- 
derm; margin thin: context thin, coriaceous, brown; hymenium at first poroid, very soon 
becoming irpiciform, the teeth irregular and compressed: spores smooth, hyaline. 
Type species, Irpex tabacinus Berk. & Curt. 
Pileus very thin, 1 mm. or less in thickness. . 
Hymenium ferruginous, unchanging. 1. C. Ravenelit. 
Hymenium olivaceous, becoming cinereous. 2. C. farinacea. 
Pileus 3-7 mm. thick; hymenium chestnut-colored to almost black. 3. C. subcoriacea. 
1. Cerrenella Ravenelii (Berk.) Murrill. 
Daedalea Ravenelii Berk. Grevillea1: 68. 1872. ; 
Ivpex tabacinus Berk. & Curt. Grevillea 1: 102. 1872. (Type from South Carolina.) 
Cerrenella tabacina Murrill, Bull. Torrey Club 32: 361. 1905. 
Pileus thin, coriaceous, flexible, effused-reflexed, the reflexed portion dimidiate, imbri- 
cate, connate, 0-1 1-3 X 0.1 cm.; surface tomentose to finely hirsute, finely concentrically 
striate, fulvous-chestnut to avellaneous; margin very thin, undulate to lobed, deflexed in 
dried specimens: context papery thin, concolorous; tubes short, irregular, less than 1 mm. 
