1917] ARTHUR— RUSTS OF RUBUS 511 



B. Hosts for telia 



V. Saxatiles (dwarf raspberry) 



9. R. pubescens Raf. (R. trifiorus Rich., R. canadensis Torr. 

 not L.). — New Hampshire: Albany, August 1908, W. G. Farlow; 

 Wisconsin: Oconto County, July 21, 1909, /. /. Davis. 



VIII. Idaei (raspberry) 



21. R. occidentalis L. (R. idaeus americanus Torr.), black 

 raspberry. — Vermont: Burlington, August 20, 1890, L. R. Jones 

 F1299; New York: Ithaca, September 30, 191 2, B. B. Higgins 

 (Barth. Fungi Columb. 4020); Ithaca, August 28, 1902, H. H. 

 Whetzel; Poughkeepsie, August 187 1, W. R. Gerard 853; Enfield 

 near Ithaca, September 15, 1902, /. M. Van Hook; Glen near 

 Ithaca, August 12, 1904, H. S. Jackson; Junius, September 13, 

 1904, H. S. Jackson; Massachusetts: Mt. Tom, August 20, 1883, 

 A. B. Seymour; Newton, W. G. Farlow (Ellis, N. Am. Fungi 261); 

 Illinois: Urbana, September 7, 1886, M. B. Watte 47. 



22. R. strigosus Michx., red raspberry. — New York: Junius, 

 September 16, 1904, H. S. Jackson.' 



Columb 



XVIII. Arguti (high blackberry) 



79. R. nigrobaccus Bailey (R. villosus Bigel. not Thunb., Ait., 

 or Bailey, collections often labelled R. allegheniensis) . — Vermont: 

 Jamaica, September 12, 1890, A. J. Grout 426; New York: 

 Alcove, August 1892, C. L. Shear (Shear, N.Y. Fungi 67); Alcove, 

 August 1893, C. L. Shear (Ellis and Ev. Fungi 

 Ithaca, September 13, 191 1, B. B. Higgins (Barth. Fungi Columb. 

 3631); Forest Home near Ithaca (cult.), July 22, 1906, H. II . 

 Whetzel; Michigan: Leland, August 23, 1913, /. C. Arthur; 

 Illinois: Urbana, July 29, 1884, T. J. Burrill (Seym, and Earle, 

 Econ. Fungi 26); without locality, 1887, T. J. Burrill (Ellis and 

 Ev. Fungi Columb. 653); Middlegrove, September 17, 1007, 

 E. Bartholomew (Baxth. Fungi Columb. 2568); Indiana: Lafayette, 

 October 19, 1895, Wm. Stuart; Brookville, September 9, 1916, 

 C. A. Ludwig 180. 



