. The British rust fungi (Uredinales), their biology and classification. Uredineae. :300 KUEHNEOLA several cells as in Phraginidium, but the wall is faintly coloured or colourless, and smooth ; pores one in each cell, apical. This genus is not confined to Rosacese, being recorded on Malvaceae in America, where also both the British species are found. It is not closely allied to Pliragmidium: the wall of the teleutospores and the germ-pores are quite different. But I am also of the opinion that the two species included here are not in reality congeneric. 1. Kuehneola albida Magnus. Uredo Millle
. The British rust fungi (Uredinales), their biology and classification. Uredineae. :300 KUEHNEOLA several cells as in Phraginidium, but the wall is faintly coloured or colourless, and smooth ; pores one in each cell, apical. This genus is not confined to Rosacese, being recorded on Malvaceae in America, where also both the British species are found. It is not closely allied to Pliragmidium: the wall of the teleutospores and the germ-pores are quite different. But I am also of the opinion that the two species included here are not in reality congeneric. 1. Kuehneola albida Magnus. Uredo Millleri SchriJt. Flor. Schles. iii. 375. Plowr. Ured. p. 256. Chrysomyxa albida Kiihn, Bot. Centralbl. xvi. 154 (1883). See also Bull. Soc. Myc. Fr. xvii. 31. Phragraidmm alhidum Lagerh. ]\Iitth. Bad. Bot. Yev. 1888, p. 44. Fischer, Ured. Schweiz, p. 415. Kuehneola albida Magn. Bot. Centralbl. Ixxiv. 169 (1898). K. Uredinis Arthur, N. Amer. Fl. vii. 186 (1912). Spermogones. EpijDhyllous, clustered on small reddish Fig. 227. K. albida. Uredospore and teleutospores. Uredospures. Sori, primarj/ epiphyllous, yellow, often in rings surrounding the spermogones, seco/?(/a?-_y hypophyllous,scat- tered, occasionally on the calyx and stems, smaller, punctiforra. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Grove, William Bywater. Cambridge, Univ. Press
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