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KUEHNEOLA 



several cells as in Phragmidium, but the wall is faintly coloured 

 or colourless, and smooth : pores one in each cell, apical. 



This genus is qoI confined t<> Rosacea-, being recorded on 

 Malvaceae in America, where also lioth the Rritish species are 

 found. It is not closely allied to Phragmidium: 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 Mulleri Schrot. Flor. Schles. iii. 375. Plowr. Ured. p. 256. 

 Chrysomyxa albida Kiihn, Bot. Centralbl. xvi. 154 (1883). See also 



Bull. Soc. Myc. Fr. xvii. 31. 

 Phragmidium albidum Lagerh. Mitth. Bad. Bot. Ver. 1888, p. 44. 



Fischer, Ured. Schweiz, p. 415. 

 Kuehneola albida Magn. Bot. Centralbl. lxxiv. 169 (1898). 

 K. Uredinis Arthur, N. Airier. Fl. vii. 186 (1912). 



Spermogones. Epiphyllous, clustered on small reddish spots. 



Fig. 227. A", albida. Uredospore and teleutospores. 



Uredospores. Sori, primary epiphyllous, yellow, often in 

 rings surrounding the spermogones, secondary hypophyllous, scat- 

 tered, occasionally on the calyx and stems, smaller, punctiform 



