228 BROOKLYN BOTANIC GARDEN MEMOIRS 



53. Phragmidium Potentillae (Pers.) P. Karst. Bidr. Finl. Nat. 



Folk 31: 49. 1879. 



Puccinia Potentillae Pers. Syn. Fung. 229. 1801. 

 On Rosaceae: 



Potentilla aracnoides Lehm. — -Austin, Grant Co., Aug. 1915, J. R. 

 Weir, 161. 



Potentilla Hippiana Lehm. — Austin, Grant Co., Aug. 1915, J. R. 

 Weir, 158. 



54. Phragmidium Rosae-acicularis Liro, Bidr. Finl. Nat. Folk. 65: 



428. 1908. 

 On Rosaceae: 



Rosa nutkana Presl. — Bridal Veil, Multnomah Co., May 18, 1915, 

 3348; Edge of woods on Minam River, Union Co., Aug. ii, 1897, 

 E. P. Sheldon, 8667. 



Rosa sp. — Corvallis, July 28, 1914, 3146. 



55. Phragmidium Rosae-californicae Dietel, Hedwigia44: 125. 1905. 

 On Rosaceae: 



Rosa gymnocarpa Nutt. — Corvallis, July 29, 1914, H. P. Barss, 

 146Q; Mary's Peak, Benton Co., Aug. 15, 1914, 1512, 1519, 1521; 

 Ashland, Jackson Co., Sept. 10, 1914, 3084. 



Rosa nutkana Presl. — Corvallis, July 29, 1914, 1473; Portland, 

 Aug. 23, 1915, E. Bartholomew, ^QSO (Barth. N. Amer. Ured. 1626); 

 Hood River, Aug. 26, 1915, E. B^irtholomew, 3Q73 (Barth. Fungi 

 Columb. 4834); Austin, Grant Co., Aug. 1915, J. R. Weir, 157; 

 Bend, Crook Co., Sept. ii, 1916, J. R. Weir, 202. 



Rosa pisocarpa Gray — Corvallis, April 5, 1914, 1523. 



Rosa sp. — Bonneville, Multnomah Co., Aug. 11, 1910, 1072, 

 Corvallis, Aug. 10, 1911, 3152, Spring 1914, H. C. Gilbert, 3155, 

 Eugene, Lane Co., July 11, 1914, G. B. Posey, 1467; Ashland, Jackson 

 Co., Sept. 30, 1914, 3350; Whitewater Creek, near Mt. Jefferson, Aug. 

 II, 1914, H. P. Barss & G. B. Posey, 3362. 



56. PiLEOLARiA ToxicoDENDRi (Berk. & Rav.) Arth. N. Am. Flora 7; 



147. 1907. 



Uromyces Toxicodendri Berk. & Rav. Grevillea 3: 56. 1874. 



Pileolaria hrevipes Berk. & Rav. Grevillea 3: 58. 1874. 

 On Anacardiaceae : 



Rhus diversiloba T. & G.- — Corvallis, April 29, 1914, F. D. Bailey, 

 1831; Grant's Pass, Josephine Co., Sept. 5, 1916, J. R. Weir, 2^6; 

 Jim Creek, Wallowa Co., June 14, 1897, E. P. Sheldon, 827Q. 



57. PoLYTHELis FUSCA (Pers.) Arth. Result. Sci. Cong. Bot. Vienna 



341. 1906. 

 Aecidiiim jusciim Pers., in Gmel. Syst. Nat. 2: 1473. I79i- 



