NfJRTIl AMERICAN PARASITIC P:X(3ASCE/E. joc 



Webber, H. J. Catalogue of ihe Flora of Nebraska. Rept. 

 Neb. Board of A<;r. 1889: 175-302 (1-162). 1890. 



On p. 215(75) mentions Exo.isrus drlnriii ni^ ''on peach lea\es anti plums." 



Webber, H. J. Appendix to the Catalogue of the Flora of 

 Nebraska. Tr St. Louis Acad. 6: 1-47. 12 Mr 1892. — 

 (Contr. Bot. Dept. Univ. Neb. n. s. 3: 1-44. 14 Je 1892.). 



Mentions on p. 15 Exo.isr/is pniiii on common wild plum and Primus 

 puni la. 



Zopf, W. Die Pilze in morphologischer, ph\sio]ogischer 

 biologischer und systematischer Beziehung. large 8vo. pp. 

 500 figs. 163. 1890.* 



