292 



Explanation of Plates. 



Fig. 



PLATE XXVI. 



(All Figures X 250 unless otherwise stated.} 

 PHRAGMIDIUM, MELAMPSORA. 



;, 



229. Aecidiospores of Phr. subcorticium on Rosa rubiqnosa. 



230. Uredospores of same. 



231. 232. Teleutospores of same. 



233. Twig of Rosa rubiginosa, the uppermost shoot of which is swollen and dis- 



torted by the aecidia of Phr. subcorticium. ... ... ... nat. size 



234, 235. Teleutospores and uredospore of P. barnardi on Rubus parvifolius, two 



germ pores being often seen on one face of each cell. 



236. Teleutospores, closely attached to each other, of MeJam-psora lini on Linum 

 usitatissimum. 



