May 1905 ] Index to North American Mycology 133 
Ionotus, Key to the North American species. [Murrill.] Bull. 
Torr. Bot. Club, 31 :S94- Nov. 1904. 
Ionotus amplectens Murrill n. sp.; the fruit-bodies were found 
encircling living twigs of Asimina parviflora (?). Bull. 
Torr. Bot. Club, 31:6oo. Nov. 1904. 
Ionotus corrosus Murrill n. sp. Bull. Torr. Bot. Club, 311598. 
Nov. 1904. 
Ionotus dryophilus (Berk.) Murrill n. n. [Polyporus dryophilus 
Berk.] Bull. Torr. Bot. Club, 311597. Nov. 1904. 
Ionotus fruticum (B. & C.) Murrill n. n. [Polyporus fruticum 
B. &C.] Bull. Torr. Bot. Club, 31:6oi. Nov. 1904. 
Ionotus hirsutus (Scop.) Karst. [Boletus hirsutus Scop., B. 
spongiosus Lightf., B. hispidus Bull., B. flavus Poll., Polypo¬ 
rus hispidus Fr., P. endocrocinus Berk., Inodermus hispidus 
Quel.] Bull. Torr. Bot. Club, 31:594- Nov. 1904. 
Ionotus jamaicensis Murrill n. sp. Bull. Torr. Bot. Club, 31:597- 
Nov. 1904. 
Ionotus perplanus (Peck.) Murrill n. n. [Polyporus perplanus 
Peck.] Bull. Torr. Bot. Club, 311596. Nov. 1904. 
Ionotus pusillus Murrill n. sp.; the tiny brown sporophores were 
found in large numbers emerging from the lenticels of small 
dead branches of Jacquinia. Bull. Torr. Bot. Club, 31 :S99- 
Nov. 1904. 
Ionotus radiatus (Sowerby) Karst. [Boletus radiatus Sowerby, 
Polyporus radiatus Fr., P. glomeratus Peck. Inoderma radi- 
atum Karst.] Bull. Torr. Bot. Club, 311599. Nov. 1904. 
Ionotus texanus Murrill n. sp., on a Mesquite (?) tree. Bull. 
Torr. Bot. Club, 311597. Nov. 1904. 
Ionotus wilsonii Murill n. sp., on decaying logs. Bull. Torr. Bot. 
Club, 311598. Nov. 1904. 
Ipomoea (jalapa?), host to Aecidium jalapense Holway n. sp. 
Ann. Mycolog. 2 1392. Sept. 1904. 
Ipomoea intropilosa, host to Puccinia noticolor Holway n. sp. 
Ann. Mycolog. 8:392. Sept. 1904. 
Ipomoea (intropilosa), host to Puccinia rubicunda Holway n. sp. 
Ann. Mycolog. 2:392. Sept. 1904. 
Ipomoea murucoides, host to Puccinia noticolor Holway n. sp. 
Ann. Mycolog. 2 :392. Sept. 1904. 
Ipomoea murucoides, host to Puccinia superflua Holway n. sp. 
Ann. Mycolog. 2 :392. Sept. 1904. 
Ipomoea sp., host to Puccinia insignis Holway n. sp. Ann. My¬ 
colog. 2:392. Sept. 1904. 
Ipomoea sp., host to Puccinia noticolor Holway n. sp. Ann. My¬ 
colog. 2:392. Sept. 1904. 
