34 Department Circular 195, U. S. Dept. of Agriculture. 



597. P. prionosciadii Lindr. — III, on 



Prionosciadium dissectum. 

 Guadalajara, Mexico, Sept. 29, 

 1903, E. W. D. Holway. Dupl. 

 N. A. Ured. 55; Syd. : Ured. 

 1827 ; Vester. : Micr. 866. 



598. P. procera Diet, and Holw. — II 



and III (P. perminuta 

 Arth.), on Cinna arundi- 

 nacea. 

 North Beach, Md., July 30, 

 1919, W. W. Diehl. 



599. P. procera Diet, and Holw. — I 



(P. perminuta Arth.), on 

 Impatiens sp. 

 Washington, D. C, May 22, 

 1890, D. G. Fairchild and E. A. 

 Southworth. 



600. P. procera Diet, and Holw. — I 



(P. perminuta Arth.), on 

 Impatiens biflora. 

 St. Louis, Mo., June 1, 1894, 

 C. H. Thompson. 



601. P. procera Diet, and Holw. — I 



(P. perminuta Arth.), on 

 Impatiens pallida. 

 Decorah, Iowa, June 28, 1885, 

 E. W. D. Holway. 



602. P. pruni-spinosae P. — III, on 



Prunus sp. 

 Manhattan, Kans., Sept. 28, 

 1889, M. Varney. 



603. P. pruni-spinosae P. — III, on 



Prunus americana. 

 Manhattan, Kans., Oct. 3, 

 1889, M. Varney. 



604. P. pruni-spinosae P. — II, on 



Prunus persica. 

 Griffin, Ga., Nov. 14, 1891, 



E. F. Smith. 



605. P. pruni-spinosae P. — II, on 



Prunus persica. 

 Auburn, Ala., Oct. 20, 1897, 



F. S. Earle. 



606. P. pruni-spinosae P. — II, on 



Prunus persica. 

 Biloxi, Miss., Oct. 23, 1897, 

 S. M. Tracy. 



607. P. pruni-spinosae P. — II, on 



Prunus persica. 

 Waco, Tex., Aug. 26, 1915, 

 B. C. Tharp. 



608. P. pruni-spinosae P. — II, on 



Prunus persica davidiana. 

 San Antonio, Tex., Jan. 1, 

 1911, W. P. Carr. 



609. P. pulsatillae (Opiz) Rostr.— 



Ill, on Anemone patens ivolf- 

 gangiana. 

 Kulm, N. Dak., June 30, 1915, 

 J. F. Brenckle. 



610. P. pulverulenta Grev. — III, on 



Epilobium sp. 

 Bingen, Wash., Sept. 15, 1898, 

 W. N. Suksdorf. 



611. P. pulverulenta Grev. — III, on 



Epilobium paniculatum. 

 Eldorado Springs, Colo., Aug. 

 30, 1911, E. Bartholomew. 



612. P. punctata Lk. — I, on Galium 



aparine. 

 Decorah, Iowa, June 9, 1901, 

 E. W. D. Holway. 



613. P. punctata Lk. — I and III, on 



Galium aparine. 

 Decorah, Iowa, June 22, 1902, 

 E. W. D. Holway. 



614. P. punctata Lk. — III, on Galium 



concinnum. 

 Winona, Minn., Aug. 24, 1888, 

 J. M. Holzinger. 



615. P. punctata Lk. — III, on Galium 



concinnum. 

 Mount Carmel, 111., Sept. 29, 

 1889, M. B. Waite. Dupl. 1902 

 Myc. Ex. 74c as P. galii. 



616. P. punctif ormis Diet, and Holw. — 



III, on Rumex mexicanus. 

 San Antonio, Tex., Mar. 31, 

 1911, W. P. Carr. 



617. P. pyrolae Cke. — III, on Poly gala 



paucifolia. 

 Alcove, N. Y., Sept., 1892, 



C. L. Shear. 



618. P. pyrrhopappi Syd. — III, on 



Pyrrhopappus carolinianus. 

 Greenville, Tex., July 3, 1913, 



D. A. Saunders. 



619. P. redfieldiae Tr— III, on Red- 



fieldia flexuosa. 

 Kennedy, Nebr., July 8, 1896, 

 J. M. Bates. 



