238 



Explanation of Plates. 



Fig. 



PLATE I. 



(All Figures nat. size.) 

 MELAMPSORA LINI ON NATIVE FLAX (Linum marginale). 



36. Uredo and teleutosori on stem, 



PHRAGMIDIUM SUBCORTICIUM ON SWEET-BRIER (Rosa rubiginosa). 



37. Aecidia (Caeomata) showing large swollen patches on stems and small patches on 

 lower surface of leaves. 



PHRAGMIDIUM BARNARDI ON NATIVE RASPBERRY (Rubus parvifolius). 



38. Ochraceous uredosori on lower surface of leaves and flower-stalks, powdery 

 teleutosori accompanying uredosori. 



