24 HEPOET ON RECENT COLLECTIONS 



• Puccinia pruni Pers. 



On Prunus hesseyi, Experiment Station (12262), on P. 

 serotina, Experiment Station (12263) 



• Puccinia solidaginis Pk. 



On Solidago nemoralis, Wood Lake. (12265) 

 Melampsorella cerastii (Pers.) Schultz. 



On Ger<istium vulgatum, Long Pine. (12267) 

 Peridermium cerebrum Pk. 



On Pinus scopulorum, Long Pine. (12268) 

 Uredo gaurina (Pk.) Sacc. 



On Gaura hiennis, Lincoln (12270), on G. parmfiora^ 

 Lincoln (12271) 



• 'Aecidium compositarum Mart. 



On Aster paniculatus, Peru (12272), A. levis, Peru 

 (12273), A. mtiltiflorus, Peru (12274), Solidago rig- 

 ida, Lincoln (12275), 8. serotina, Lincoln ( 12276 )j 

 8. missouriensis, Belmont (12277), Erigeron philor 

 delphicus, Peru (12278) 

 Aecidium compositarum xanthii Burrill. 



On Xanthium canadense, Peru. (12279) 

 Aecidium dracontii Selm. 



On Arisaema dracontium, Peru. (12280) 

 Aecidium gaurae E. & E. 



On Gaura parviflora, Peru. (12281) 



• Aecidium polemonii Pk. 



On Phlox divaricata, Cedar creek. (12282) 



• Aecidium punctatum Pers. 



On Anemone caroliniana, Lincoln. (12283) 



USTILAGINACEAE 



Burrillia pustulata Setch. 



On Sagittaria latifolia. (12269) 



LABOULBENIACEAE 



Laboulbenia brachini Thaxter. 



On Brachinus kansanus. South Bend. (4720) 



