13 



.Aecidium Fraxini Schw. 



On Fraxinus pubescens, Red Ash. Burl., June, 1898; O. 1792. 



.Aecidium Gnaphaliatum Schw. 



On Gnaphalium decurrens. Newfane, Aug. 1892; G. 95. 



.Aecidium Grossulari^ Schum. 



On Ribes Cynosbati, Gooseberry. Burl., June, 1890; J. 1221. 

 On Ribes floridum. So. Hero, June, 1894; J. 1224. 

 On Ribes prostratum. Mt. Mansfield, June, 1897; O. 1225. 

 Occasionally injurious to cultivated gooseberries. 



Aecidium Houstoniatum Schw. 



On Houstonia cterulea, Bluets. Johnson, June, 1895; G. 5. 



Aecidium Impatientis Schw. 



On Impatiens fulva, Jewel-weed. Burl., June, 1893; J. 1226. 



Aecidium Peckii DeToni. 



On Oenothera biennis. Evening Primrose. June, 1897; J. 1228. 



Aecidium Sambuci Schw. 



On Sambucus Canadensis, Elder, causing great distortion of peti- 

 oles and young twigs. Burl., June, 1892 ; J. 1231. 



• Chrysomyxa Pyrol^e (DC.) Rostr. {Uredo pyrolata.') {Cceotna pyrola- 

 tiim.) 



II. On Pyrola rotundifolia. Abundant. Burl., May, 1890; J. 63. 



■ CoLEOSPORiuM Campanulae (Pers.) Lev. 



On Campanula rapunculoides. Bell-flower. Walden, Aug. 1898 ; 

 White, 1906. 



■ COLEOSPORIUM SoNCHi (Pers.) Lev. (C Soiit/ii-ar^'eiisis (Pers.) Lev.) 



II. On Aster laevis. Burl., Oct. 1897 ; O. 1347. 



On Aster paniculatus. Beaver, Sept. 1897; O. 1348. W. Rutland, 

 Sept. 1897 ; Eggleston, 1349. 



On Aster macrophyllus. Burl., Aug. 1890; J. 1350. 



On Aster sp. Burl., Sept. 1896 ; O. 1351. 



On Solidago Canadensis, Golden Rod. Burl., Aug. 1898; H. 1892. 



On Solidago juncea. Burl., July, 1897; O. 1352. 



On Solidago puberula. Burl , July, 1897 ; O. 1353. 



On Solidago rugosa. Burl., 1890; G. 1354. Beaver, Sept. 1897; 

 O. 1355. 



On Solidago serotina. Burl., Aug. 1898 ; H. 1893. 



On Solidago sp. Williston, Sept. 1890; J 1356. Abundant every- 

 where on various species, and sometimes injurious to cultivated asters. 



'Cronartium asclepiadeum (Willd.) Fr. 



On Myrica asplenifolia, Sweet Fern. Burl., Aug. 1897; O. 1258. 



