22 



1903] CULTURES OF UREDINEAE 16 



annuus (L.) Pers., E. philadclpliicus L.,and Leptilon canadense (L.) 

 Britt., with the most unqualified success. The work of last year 9 

 is thus confirmed, and additional hosts ascertained. 



7. Puccinia CARicis(Schum.) Reb. A collection of this rust 

 on Carex stricta Lam., sent by Rev. J. M. Bates from Callaway, 

 Nebraska, gave rise to aecidia when sown on Urtic a gracilis Ait., 

 the dates for sowing, appearance of spermogonia and aecidia 

 being respectively May 24, June 2 and 7. The experimental 

 proof of this connection has been reported 10 twice previously for 

 American material. A collection sent by Mr. E. W. D. Holway 

 from Decorah, Iowa, on Carex riparia Curt, was sown on Rides 

 Cy?wsbati, R. gracile, R. aureum, R. floridum, and R. Uva-crispa, 

 Geranium maculatum, Onagra biennis, Sambucus canadensis, and 

 Xa?ithium canadense, with no infection. It was sown on Urtica 

 gracilis May 21, and gave spermogonia May 27, and aecidia 

 June 2. 



8. Puccinia Vilfae A. & H. The alternate form of this rust 

 has been show 11 to be Aecidium verbenicola K. & S. These 

 results have been verified this season by sowing teleutospores 

 from Sporobolus longifolius (Torr.) Wood, collected at Callaway, 

 Nebraska, by Rev. J. M. Bates, on Verbena stricta Vent, (culture 

 dates May 28, June 3 and 10) and on V. urticifolia L. (culture 

 dates the same). A collection from Lafayette, Indiana, on the 

 same host, was also sown on V. urticifolia with success (culture 

 dates May 2, 10, and 19). To conform to present knowledge 

 the name of the rust should be written Puccinia verbenicola (K. 

 & S.), nom. nov. 



9. Puccinia Windsoriae Schw. A collection of the teleuto- 

 spores of this species of rust on Tricuspis seslerioides Torr. ( Triodia 

 cuprea Jacq.) was sent from Denton, Texas, by Mr. W. H. Long, 

 Jr., with the statement that Aecidium Pteleae B. &. C, which has 

 been taken to the alternate form of the rust, 12 had not been 

 observed in that vicinity. This material was sown on Ptelea tri- 

 foliata L., May 9, and spermogonia appeared May 15, followed 



by abundant aecidia May 24. 



9 Jour. Mycology 8:54. 1902. 



i0 Bot. Gaz. 29:279. 1900, and Jour. Mycology 8:52. 1902. 



"Bot. Gaz. 29:274. 1900. "Bot. Gaz. 29:273. 1900. 



