THE JECIDIAL STAGE OE RUSTS. 



39 



Table III. — Summdry of experiments to determine the vitality of successive uredo genera- 



tions of various grain rusts — Continued. 



PUCCINIA RUBIGO-VERA TRITICI ON WHEAT— Continued. 



PUCCINIA SIMPLEX ON BARLEY. 



A... 

 B... 

 C... 

 D3. 

 E.. 

 F... 

 G... 

 II.. 

 I... 

 J... 

 K.. 

 L... 

 M.. 

 N.. 

 OK 

 P... 

 Q... 

 R.. 



T.... 

 U... 



v.... 



W3. 



X... 



Y... 



Z... 



AA. 



BB. 



CC. 



DD. 



EE. 



FF. 



GG. 



HH. 



1907. 

 Feb. 6 

 Feb. 19 

 Mar. 5 

 Mar. 20 

 Apr. 17 

 May 8 

 May 29 

 Juiie 14 

 June 26 

 July 10 

 July 24 

 Aug. 9 

 Aug. 24 

 Sept. 9 

 Sept. 28 

 Oct. 24 

 Nov. 9 

 Nov. 20 



Dec. 12 



1908. 

 Jan. 7 

 Ja". 25 

 Feb. 15 

 Mar. 3 

 Mar. 30 

 Apr. 13 

 Apr. 28 

 May 13 

 May 26 

 June 12 

 June 25 

 July 10 

 July 28 

 Aug. 12 

 Sept. 1 



e) 



(=) 



(') 



10 

 10 



10 

 7 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 



7 



9 



10 



10 



10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 



62 



4 



a... 

 b... 

 c... 

 dK 

 e... 

 f... 



h.. 

 i. . 



i-- 



k.. 

 1.. 

 m. 



n.. 

 o ^ 

 P- 



q-- 



r.. 



t... 

 u... 

 v... 



W 3. 

 X... 



y— 



z... 



aa.. 

 bb. 



CO.. 



dd. 

 ee.. 

 ff... 

 gK-. 

 hh. 



1 Experiments discontinued. 



2 Seyeral. 



3 Series sent from Washington, D. C, to Minneapolis, Minn. 

 * Inoculations made from material from dried leaves. 



s Series sent from Minneapolis, Miim., to Washington, D. C, October 8, 1907. 

 « Extreme heat in greenhouse. 

 1 Not recorded. 



(-) 



(-) 



(-) 



216 



