JACKSOxN: UREDINALES OF OREGON 265 



4762); Portland, Aug. 21, 1915, E. Bartholomew (Barth. Fungi 

 Columb. 4861). 



Polygonum pennsylvanicum L. — Corvallis, Sept. 20, 1914, 1547; 

 Clatskanie, Columbia Co., Oct. 10, 1914, F. D. Bailey, 1944. 



No collections of aecia referable to this species have been made 

 west of the Rocky mountains. Tranzschel (Centr. f. Bakt. II, 11: 

 106. 1903) was the first to show that this species has aecia on Gera- 

 nium. Arthur working with American material has confirmed 

 Tranzschel's results (Jour. Myc. 11: 59. 1905; 12: 18. 1906). 



154. PucciNiA PORPHYROGENITA Curt.; DeToni in Sacc. Syll. 7: 703. 



1888. 

 Puccinia porphyrogenita Curt, in Thiim. Myc. Univ. 545 (hypo- 



nym). 1876. 

 Puccinia acuminata Pk. Rep. N. Y. State Mus. 23: 57. 1872. 

 (Not P. acuminata Fckl. 1869.) 

 On Cornaceae: 



Cornus canadensis L. — Near Mt. Jefferson, Aug. 1892, Moses 

 Craig; Larch Mt., Multnomah Co., Aug. 11, 1910, 1078; South Mt. 

 Jefferson, Linn Co., July 3, 1914, F. D. Bailey, 1840; Mt. Hood, 

 Aug. 7, 1914, 1604; Trail to Hanging Valley, Mt. Jefferson, Aug. 11, 

 1914, H. P. Barss & G. B. Posey, 1622. 



155. Puccinia procera Diet. & Holw. Erythea i: 249. 1893. 

 On Poaceae: 



Elymus arenicola Schrib. & Smith — Umatilla, Umatilla Co., May 

 II, 1915, 3200, 3201, July II, 1914, 1374, 1375; Sherman Sta. O. W. 

 R. R. & Nav. Co., Sherman Co., July i, 1914, 1421. 



This species is distinguishable from other forms on Elymus by 

 the large urediniospores, 26-32 by 32-48 /i. The aecial connection is 



unknown. 



• 



156. Puccinia punctata Link, Ges. Nat. Freunde Berlin Mag. 7: 30. 



1816. 

 On Rubiaceae: 



Galium aparine L. — Hood River, July 24, 1915, 3225; Ashland, 

 Jackson Co., Sept. 10, 1914, J2J9; Corvallis, May i, i()\^, 3148. 



Galium asperrimum A. Gray — Big Canon, Wallowa Co., Aug. 24, 

 1897, E. P. Sheldon, 8774. 



Galium trifiorum Michx. — Mary's Peak, Benton Co., Aug. 15, 1914, 

 1513, 1515; Elk City, Lincoln Co., Aug. 20, 1914, 2528; Hood River, 

 July 24. 1915,3224. 



Galium sp. — Philomath, April 20, 1914, F. D. Bailey, 2570; Cor- 

 vallis, April 8, 1914, 1524; Dufur, Wasco Co., June 30, 1914, 1335. 



