10 



Mycologia 



sown on Boehmeria cylindrica, Uvularia grandiflora, Myrica ceri- 

 fera, Lysimachia quadrifolia, Thalictrum polygamum, and Laci- 

 7iiaria spicata, with no infection. Similar material from Colorado, 

 Nebraska, Delaware and North Carolina was sown in previous 

 seasons on thirty five other species of hosts.* 



8. PucciNiA ScHEDONNARDi K. & S., on S ckedofinardus panic- 

 ulatus (Nutt.) Trel., collected by Mr. E. Bethel, at Westminster^ 

 Colo., was sown on Delphinium formosum, Xanthoxylum ameri- 

 canum, Symphoricarpos pauciflorus, Hydrophylhim virginicum, 

 H. capitaiiim, Onosmodium occidentalc, Petalostemon purpureus, 

 Amorpha nana, Boltonia aster aides, Grindelia squarrosa, Rud- 

 beckia triloba, Laciniaria punctata, Solidago rigida, and Arnica 

 sp., with no infection. This collection possessed clean and well 

 developed sori, and gave strong germination. Similar material 

 in former years was sown on fifteen other species of hosts.^ 



9. PucciNiA viRGATA Ellis & Ev., on Chrysopogon avenaceus 

 (Michx.) Benth., collected by Mr. W. H. Long at El Reno, Okla., 

 was sown on Dirca palustris, Xanthoxylum americanum, Boeh- 

 meria cylindrica, Apios Apios, Petalostemon purpureus, and 

 Miniulus ringens, with no infection. Similar material from 

 Nebraska and North Carolina was sown in previous years on nine 

 other species of hosts. ^ 



10. PucciNiA TOSTA Arth., on Sporobolus asperifolius Nees & 

 Meyen, collected by Dr. J. F. Brenckle at Kulm, N. D., was sown 

 on Lepargyraca canadensis, Dirca palustris, Symphoricarpos 

 racemosus, Apocynum cannabinum, Delphiniiim formosum, Pole- 

 monium reptans, Laciniaria punctata, Aster pandculatus, and 

 Arnica sp., with no infection. 



Another collection on same host, made by Mr. E. Bethel at 

 Denver, Colo., was sown on Symphoricarpos racemosus, Lepar- 

 gyraca canadensis, Phacelia heterophylla, Hydrophyllum virgini- 

 cum, Lithospermum cane sc ens, Amorpha fruticosa, Arabis Hol- 

 boellii, and Sidalcea oregana, with no infection. Similar material 

 was sown in previous years on ten other species of hosts. 



* See Jour. Myc. 14: 10. 1908; Mycol. i: 231. 1909; 2: 220. 1910. 

 ^ See Bot. Gaz. 35: 11. 1903; Jour, Myc. 13: 192. 1907; 14: n- 1908; and 

 Mycol. I : 231. 1909. 



® See Jour. Myc. 14: 10. 1908; and Mycol. 2: 219. 1910. 

 ^ See Jour. Myc. 10: 10. 1904; and 12: 12. 1906. 



