Uredo. 257 
Synonyms. 
Uredo miilleri. Schrot., “ Krypt. Flor. Schl.,” vol. iii. p. 375- 
Uredo acidioides. 1. Miller, Rost. der Rosa und Rubusarten, 
1886, p. 24, t. ii. fig. 12. 
On Rubus fruticosus. Haywood Forest, Hereford; C. B. P. 
Ireland ; Mr. Greenwood Pim. 
October to November. 
BIoLocy.— Miiller eee: that this may be connected with 
Chrysomyxa albida. 
Uredo quercus. Brond. 
Sori hypophyllous, yellow, then orange, orbicular, minute, scattered 
or in clusters. Spores subglobose, echinulate, orange-yellow, 
15-25 X 12-I5p. 
Synonym. 
Winter, Zoc. cif., p. 254. 
Uredo quercus, Brond. Duby, “Bot. Gall.,” vol. ii. p. 893. 
Berk., “Eng. Flor.,” vol. v. p. 383. Cooke, “‘ Hdbk.,” p. 526 ; 
“ Micro. Fungi,” 4th edit., p. 216. : 
Exsiccate. 
Berk., 239. Cooke, i. 281; ii. 76. Vize, “ Fungi Brit.,” 58 ; 
“Micro. Fungi Brit.,” 129. 
On Quercus pedunculata. 
Uredo iridis. (Thiim.) 
Sori oval, linear, sometimes confluent, amphigenous, at first 
covered, then naked, chestnut-brown. Spores profuse, mostly 
globose, rarely oval or pyriform, nucleate, with two germ-pores, 
brown, echinulate, 30-35 X 20-25p. 
Synonym. 
Uromyces tridis (Lév.). Thiim., “ Myco. Univ.,” No. 2045. 
On Jris flavissima, spuria, ensata, decora, hingii, pumila, filt- 
folia, caucasica, tberica, tolmieana. In gardens. 
June to September. 
