96 NORTH AMERICAN FLORA [VoruME 9 
2. Fomes Sagraeanus (Mont.) Murrill. 
Polyporus Sagraeanus Mont. Pl. Cell. Cuba 409. 1842. 
Pileus corky to woody, dimidiate, sessile, conchate or applanate, often irregular, 4-6 
> 5-10 X 0.5-2 cm.; surface anoderm, velvety, azonate, avellaneous, subsulcate, becoming 
glabrous, brown or black, and horny-encrusted with age; margin thin? concolorous: con- 
text corky, flesh-colored or light-brown, 1-3 mm. thick; tubes indistinctly stratified, pale 
rose-colored, 3-5 mm. long each season, often found in one layer only, mouths circular, 
5toamm., edges obtuse, entire, roseous, becoming discolored with age : spores globose, 
smooth, subhyaline or slightly smoky, 6 #; hyphae 6-8 v. 
TYPE LOCALITY: Cuba. 
HaBiTaT: Dead logs and stumps. 
DISTRIBUTION: Southern Florida; Bermuda; Cuba; also in Colombia. 
ILLUSTRATION : Mont. Pl. Cell. Cuba p/. 16, f. 4. 
3. Fomes fraxineus (Bull.} Cooke, Grevillea 14: 21. 1885. 
Boletus fraxineus Bull. Herb. Fr. 10: pl. 423. f. 2. 1789. 
Polyporus fraxineus Fries, Syst. Myc. 1: 374. 1821. 
Placodes incanus Quél. Ench. Fung. 172. 1886. 
Pileus corky to woody, dimidiate, applanate, usually imbricate, often laterally confluent, 
thinner in American forms, 4-10 K 6-15 X 1-6 cm.; surface velvety to glabrous, zonate at 
times, concentrically sulcate with age, at first white owing to a covering of fine waxy hairs, 
becoming bay and finally nearly black with age; margin thin or tumid, sterile, cream- 
colored, pulverulent with reddish blotches, becoming dark and hygrophanous when bruised : 
context punky, becoming corky, isabelline, tinged with carneous when fresh, 0.5-5 cm. 
thick ; tubes indistinctly stratified, 0.5-1 cm. long each season, isabelline when old, reddish 
flesh-colored in the younger layers, mouths subcircular, 4 to a mm., edges obtuse, entire, 
light flesh-colored, covered at first with a white waxy coat, quickly changing to a darker 
color when bruised : spores subglobose, smooth, subhyaline, 5-6 X 6-7 mu. 
TYPE LOCALITY: France. 
Hasitat: Trunks and stumps of sweet gum, ash, peach, and other deciduous trees. 
DISTRIBUTION : New York, Ohio, Illinois, and Louisiana; also in Europe. 
ILLUSTRATION: Bull. Herb. Fr. /oc. c7t. 
ExsiccaTi: Thiim. Myc. Univ. 806; Arcang. Erb. Crit. Ital. II. 1452. 
4. Fomes ohiensis (Berk.) Murrill, Bull. Torrey Club 30: 230. 1903. 
Trametes ohiensis Berk. Grevillea 1: 66. 1872. 
Pileus woody, ungulate, narrow and sometimes decurrent behind, often laterally con- 
nate, 0.5-1.5 X 1-2 <0.3-1 cm.; surface minutely velvety to glabrous, zonate, light-brown, 
becoming black at the base, and concentrically sulcate with age ; margin obtuse, pallid, often 
undulate: context corky, pallid, indistinctly zonate, 2-5 mm. thick; tubes distinctly 
stratified, 3-6 mm. long each season, nearly white within, mouths circular, 3 to a 
mm., edges obtuse, chalky-white, becoming cremeous: spores globose, smooth, hyaline, 
5 #; conidia ovoid, smooth, hyaline, 7-8 12-13 » ; hyphae hyaline, 2-4 p; cystidia 
none. 
TYPE LOCALITY: Ohio. 
HasitaT: Dead branches and structural timber of deciduous trees. 
DISTRIBUTION: Eastern Canada to Michigan and south as far as Ohio. 
ExsIccaTI: Ellis, N. Am. Fungi 927. 
5. Fomes scutellatus (Schw.) Cooke, Grevillea 14: 19. 1885. 
Polyporus scutellatus Schw. Trans. Am. Phil. Soc. II. 4: 157, 1832. 
Pileus woody, dimidiate or scutellate, concave below, 0.5-0.7 X1-1.5 X0.3-0.5 em.; 
surface rugose, tuberculose, zonate, fuscous-black ; margin acute, deflexed, pallid to light- 
brown: context woody, indistinctly zonate, isabelline, 2-3 mm. thick; tubes indistinctly 
stratified, 1-1.5 mm. long each season, isabelline within, mouths subcircular to rlhomboidal, 
