88 247 Mycologia 



3. Puccinia angustata Peck. Teliospores from Scirpus atro- 

 virens Muhl., sown on Lycopus americanus Muhl. 



4. Puccinia Ellisiana Thum. Teliospores from Andropogon 

 sp., sown on Viola cucullata Ait. and V. Nuttallii Pursh. 



5. Puccinia Stipae Arth. Teliospores from Stipa comata 

 Trin. & Rupr., sown on Gutierrezia Sarothrae (Pursh) B. & R., 

 and Senecio spartioides T. & G. 



6 and 21. Puccinia Agropyri E. & E. Teliospores from Ely- 

 mus canadensis L., sown on Clematis ligusticifolia Nutt., and 

 Anemone cylindrica A. Gray ; from Elymus virginicus L., sown on 

 Clematis Drammondii T. & G. ; and from Agropyron Smithii 

 Rydb., sown on Clematis ligusticifolia Nutt. 



7. Puccinia monoica (Peck) Arth. Teliospores from Trise- 

 tum subspicatum (L.) Beauv., sown on Arabis sp., and aeciospores 

 from Arabis sp., sown on Koeleria cristata (L.) Pers. 



20. Puccinia Muhlenbergiae A. & H. (P. tosta Arth.). 

 Teliospores from Sporobolus asperifolias (Nees & Meyen) Thurb. 

 sown on Spaeralcea incana Torr. and 5*. lobata Wooton. 



8 and 22. Uromyces perigynius Halst. Teliospores from 

 Carex intumescens Rudge, sown on Aster paniculatus Lam., and 

 Solidago canadensis L. ; from Carex tribuloides Wahl., sown on 

 Aster Tweedyi Rydb. 



9. Uromyces Junci (Desm.) Tul. Teliospores from J uncus 

 balticus Willd., sown on Ambrosia psilostachya DC., A. trifida L., 

 and Carduus Flodmanni Rydb. 



10. Uromyces acuminatus Arth. Teliospores on Spartina 

 Michauxiana A. S. Hitch., sown on Collomia linearis Nutt. 



23. Uromyces Scirpi (Cast.) Burr. Teliospores from Scirpus 

 fluviatilis (Torr.) A. Gray, sown on Shim cicutae 'folium Schrank. 



11. Gymnosporangium Nelsoni Arth. (G. durum Kern). 

 Teliospores from Juniperus scopulorum Sarg., sown on Amelan- 

 chier canadensis (L.) Medic. 



12. Gymnosporangium Betheli Kern. Teliospores from 

 Juniperus scopidorum Sarg., sown on Crataegus Pringlei Sarg. 



13. Gymnosporangium gracilens (Peck) Kern & Bethel. 

 Teliospores from Juniperus utahensis (Engelm.) Lemmon, sown 

 on Philadelphus coronarius L. and P. Keteleerii Carr. 



16. Gymnosporangium clavariaeforme (Jacq.) DC. Telio- 



