148 DISEASE IN I'LANTS. 



Eriksson and Henning, Die Geireideroste \ the publications 

 of the U.S. Department of Agriculture, The Kew Bulletin^ 

 and elsewhere. The reader will find further examples in 

 Massee, Text-Book of Plant Diseases, 1899, pp. 47-51. 

 Both these subjects are well worth further attention, and I 

 know of no complete account of them. 



