MICHIGAN ACADEMY OF SCIENCE. 205 



bent.) On L'ltiia gracilics. Ann Arbor. E. J.ansin«;, IJattle 



Creek. Mav-Oct. Sjialding, Hicks. IMeters. 

 Aec'idinni \'erbenitola Kell cV: Swing. (III. Piiccinia Vilfie Avth. 



& llolw.i On X'erbena hastata. Ann Arbor. June 7. C. H. K. 

 Aeddiuni N'iola' Sclnini. (III. I'uccinia Violae (Sclmm) D. C.) 



Autoeeiou.s. On \'ioIa j>ubescens, blanda, etc. Ann Arbor, 



etc. May. (\ H. K., etc. 

 Ceonia aretica new c-onib. (111. Malanipsorfa aretica Rostr.) On 



Abies balsaniea. Alpena. June 20. C. H. K. 

 Ceonia Medeusa^ new eonib. (ITI. Melampsora medusa' Tluim.) 



On Larix larieina. Ann Arbor. June 10 Mains. 

 Ceonia niteiis Sclnv. (Autonomous.) On Kubus occidentalis, R. 



villosus, etc. Tlirougliont the state. May-July. Spalding, C. H. 



K., ete. 

 Peridermium Comjitonijp (Artli.) Ort & Adams. (111. Cronar- 



tiuni fomptonia* Artli. On Finns ponderosa, P. contorta and 



P austriaca. Roscommon. State Nursery and Plantations. Aug. 



1014. Mains. 

 Peridermium consimile Artli. & Kern. (111. Clirysomyxa cassan- 



dra^ Tranz.) On Picea rubra & P. nigra. Alpena, Ann Arbor, 



June 20 and July. C. H. K., Mains. 

 Periderniinm decolorans Pk. On Picea nigra. Lansing. July 27. 



Beal. 

 Peridermium pustulatum. (Puccimastnim pustulatum (Pers.) 



Diet. On Abies balsamea. Alpena. June 20. C. H. K. 

 Peridermium cerebnim Pk. (111. Cronartium Quercus. (Bron) 



Schroet.) Seen and reported by several collectors in the 



northern part of state. (No specimens in University herbarium.) 

 Roestelia aurantiac<a Pk. (111. Gymanosporangium clavij^es Cke. 



& Pk.) On Amelanchier canadensis. Charlevoix, Marquette. 



Aug. Spalding. D. H. Campbell. 

 Roestelia cornuta (Gmel.) Tul. (III. Gymnosporangium Juni- 



perinum (L) Fr.) On Amelanchier canadensis. Park Lake. 



Sept. 2. Beal and Wheeler. 

 Roestelia lacerata X Thax. (III. Gymnosporangium clavariae- 



fornie (Joeq) D. C.) On Amelanchier canadensis and Cratae- 



^\Si sp. Ann Arbor. July 4. Mains, C. H. K., etc. 

 Roestelia pyrata (Schw.) Thax. (III. Gymnosporangium. Juni- 



peri-virginiana^. Schw.) On Pyrus raahis, P. coronaria. Ann 



Arbor. Battle Creek. Aug.-Sept. Spalding, Merrow. 



Roestelia lacerata Y and Z. Thaxt. (Gymnosporangiumglo glw- 

 sum.) 



