212 



tiaca Pk., on leaves of Amelanchier, Crataegus and quince. (Gymnosporangium 

 clavipes C. & P.) 



G. Juniperi-Virginianae Schw. — The summer stage, Roestelia pyrata (Schw.) 

 Thaxt., on Mains Malus leaves; and the winter stage on Juniperus virginiana 

 at Orient; specimens in N. Y. State Herbarium. {Gymnosporangium macropus 

 Link.) 



G. nidus-avis Thaxt. — The summer stage on leaves of Amelanchier, determined by 

 Dr. Arthur; and the winter stage on Juniperus virginiana at Orient. 



Kuehneola ohtusa (Strauss) Arth. — On leaves of Potentilla canadensis; determined 

 by both Dr. Arthur and Dr. Fromme. 



Puccinia Asparagi DC. — On Asparagus officinalis. 



P. Asteris Duby — On Aster novi-belgii; determined by Dr. Arthur. 



P. Caricis- Aster is Arth. — Determined by Dr. Fromme. 



P. Caricis-Solidaginis Arth. — On Carex; determined by Dr. Arthur. 



P. Cicutae Lasch. — On leaves of Cicuta maculata at Orient and Greenport; deter- 

 mined by Dr. Arthur, who says this species has been previously collected in 

 "three widely separated localities, Florida, Nova Scotia and Nevada." 



P. coronata Cda. — On leaves of Rhamnus cathartica and Nothoholcus lanatus; deter- 

 mined by Dr. Arthur; also on leaves of Avena sativa. (Puccinia Rhamni (Pers.) 

 Wettst.) 



P. Cyani (Schleich.) Pa,ss. — On Centaurea cyanus; determined by Dr. Arthur. 



Puccinia Eleocharidis Arth. — On leaves of Eupatorium; determined by Dr. Arthur. 



P. graminis Pers. — On leaves of grasses; the aecia on leaves of Berber is vulgaris. 



P. Grossulariae (Pers.) Lagerh. — On Carex virescens; determined by Dr. Arthur. 



P. Helianthi Schw. — On leaves of Helianthus. 



P. Hieracii (Schum.) Mart. — On leaves of Hieracium. Gronovii; determined by Dr 

 Arthur. 



P. Malvacearum Mont. — Orient on leaves of Malva rotundifolia and Althaea rosea. 



P. Menthae Pers. — On leaves of Koellia; determined by Dr. Fromme. 



P. obscura Schroet. — On Juncoides cam,pestre; determined by Dr. Arthur. 



P. orbicula Pk. — On leaves of Nabalus trifoliatus; determined by Dr. Arthur. 



P. Peckii (DeToni) Kellerman — Orient on leaves of Oenothera; determined by 

 Mrs. F. W. Patterson. 



P. Pimpinellae (Strauss) Link — Orient on leaves of Washingtonia Claytoni. 



P. Pruni-spinosae Pers. — On leaves of Prunus avium, and Padus virginiana; deter- 

 mined by Dr. Arthur. {Tranzschelia punctata (Pers.) Arth.) 



P. Sambuci (Schw.) Arth. — On leaves of Carex crinita and C. liirida; determined 

 by Dr. Arthur; also the aecia on leaves of Sambucus canadensis at Orient. 



P. Seymouriana Arth. — The aecia on leaves of Asclepias pulchra and the telia on 

 Spartina at Orient; determined by Dr. Arthur who says, "in west-central United 

 States the aecia are found also on Apocynum and Cephalanthus ." 



P. Sorghi Schw. — On leaves of sweet corn. 



P. Taraxaci Plowr. — On leaves of Leontodon Taraxacum; determined by Dr. 

 Arthur. 



P. triticina 'Erikss. — On various species of Triticum; determined in part by Dr. 

 Arthur. {Puccinia Rubigo-vera (DC.) Wint.) 



P. uniporula Orton — On Carex virescens; determined by Dr. Fromme. 



P. Violae (Schum.) DC. — On leaves of Viola primulifolia at Greenport; deter- 

 mined by Dr. Fromme. 



