174 



Arthur: Cultures of Uredineae in 1909" 239 



7. Puccinia fraxinaia (Schw.) Arth. Teliospores on Spartina 

 cynosuroides Willd., sown on Fraxinus tanceolata Borck. 



8. Puccinia Phragmitis (Solium.) korn. Teliospores on 

 Phragmites communis Trin., sown on Rumex crispus L. 



9. Puccinia obliterates Arth. Teliospores on Agropyron sp., 

 .sown on Thalictrum al pinion L. 



10. Puccinia Muhlenbergiae Arth. & Holw. Teliospores on 

 Muhlenbergia gldmeraia Trin., sown on Callirrhoe involucrata 

 (T. & G.) A. Gray. 



11. Puccinia Impaticntis (-Schw.) Arth. Teliospores on 

 Elymus striatus Willd., sown on hupatiois aurea MuhL, and 

 aeciospores on Impaticns aurea MuhL, sown on Elymus virgini- 

 cus L., E. canadensis L., and E. stria t us Willd. 



12. Puccinia poculifonnis (Jacq.) Wettst. Teliospores on 

 Agropyron pseudorepens Scribn. & Sin., and Sitanion longifolium 

 J. G. Sin., sown on Berber is vulgaris L., and aeciospores on Ber- 

 beris vulgaris L., sown on Triticum vulgare Vill. 



13. Puccinia substcrilis E. & E. Amphispores on Stipa viri- 

 dula Trin., sown on same host. 



14. Uromyccs Andropogonis Tracy. Teliospores on Andro- 

 pogon virginicus L., sown on Viola cucullata Ait. 



15. Uromyccs Spartinae Farl. Teliospores on Spartina cyno- 

 suroides Willd., sown on Stcironema lauceolatum (Walt.) 

 A. Gray and 5". ciliatum (L.) Raf. 



16. Gymno sporangium glob sum Farl. Teliospores on Junip- 

 erus virginiana L., sown on Crataegus coccinea L. 



17. Gymno sporangium clavipes C. & P. Teliospores on Junip- 

 erus sibirica Burgsd., sown on Amelanchier erecta Blanch., and 

 Crataegus punctata Jacq. 



18. Gymnosporangium nidus-avis Tbax. Teliospores on 

 Juniperus virginiana L., sown on Crataegus Pringlei Sarg., and 

 Mains loensis (Wood) Britt. 



19. Gymnosporangium Betheli Kern. Teliospores on Junip- 

 erus scopulorum Sarg., sown on Crataegus ccrronis A. Nels. 



20. Gymnosporangium cor nut um (Pers.) Arth. Teliospores 

 on Juniperus sibirica Burgsd., sown on Sorbus amcricana Marsh., 

 and S. Aucuparia L. 



21. Gymnosporangium jlorijorme Thax. Teliospores on 

 Juniperus virginiana L., sown on Crataegus coccinea L, 



