154 



Arthur: Cultures of Uredineae in i^qo/ 219 



Mr. E. Bethel, was sown on Lactuca saliva, Artemisia dracuncu- 

 loides, Ambrosia trifida, Crindelia squarrosa and Laciniaria 

 spicata. with no infection. The determination of the host was 

 made by Mr. Theo. Holm. 



5. PUCCINIA on Car ex siccata Dewey, collected at Kulm, N. D., 

 by Dr. I. F. Brenckle, was sown on Ambrosia trifida and Carduus 

 undulatus, with no infection. 



6. PUCCINIA rubigo-vera Anct, on Hordeum jubatum, col- 

 lected at Brookings, S. D., by Mr. O. E. White, was sown on 

 Lycopsis arvensis (on 3 different dates), Heliotropium curas- 

 savicum (on 3 dates), Myosotis palustris (3 dates), Litho- 

 spermum cancsccns, L. an'cnse, L. angustifolium, Hydro phy Hum 

 I'irtj'uiicum. Ceanothus americanus, Callirrhoe involucrata, Sym- 

 phoricarpos racemosus, Pctalostemon purpurpeum, Laciniaria 

 punctata and Ambrosia trifida, with no infection. 



7. PUCCINIA Distichlidis E. & E., on Spartina gracilis Trim, 

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

 Lepargyraea canadensis, Mimulus ringens, Symphoricarpos 

 rcccmosus, Polygala Senega, Grindclia squarrosa and Carduus 

 undulatus, with no infection. 



8. Puccinia substerilis E. & E., on Stipa viridula Trim, col- 

 lected at Eldorado Springs, Colo., by Mr. E. Bethel, was sown 

 on Tithymalis arkansanus coloradensis, Arabis Holboellii, Grin- 

 dclia squarrosa and Eupatorium scrotinum, while another collec- 

 tion with same data was sown on Viola sororia, Mimulus ringens, 

 Myosotis palustris, Aster ericoides and A. multiflorus, all with 

 no infection. 



i). Puccinia striatula Peck, on Calamagrostis canadensis 

 (Michx.) Beauv., collected at Wind Lake, Wis., by Dr. J. J. 

 Davis, was sown on Thalictrum alpinum, T. dioicum, T. pur- 

 pur ascens, Actaea alba, Phacdia bipinnatifida, Hydrophyllum 

 virginicum and Polygonatum biflorum, with no infection. 



10. PUCCINIA virgata Ellis & Ev., on Chrysopogon arcnaccus 

 (Michx.) Benth., collected at Asheville, N. C, by Mr. F. D. 

 Kern, was sown on Dirca palustris, Viola sororia, Hydrophyllum 

 virginicum. Mimulus ringens. Chelone glabra, Symphoricarpos 

 paucifiorus and Ambrosia trifida, witli no infection. Similar 



