308 
Journal of Agricultural Research 
Vol. II, No. 4 
Table II .—JEcial inoculations with Puccinia ellisiana and P. andropogonis 
PUCCINIA ELLISIANA 
Species inoculated. 
Andropogon virgin! cus. 
Do. 
Do. 
Do. 
Zea mays (corn). 
Do. 
Do. 
Do. 
Sorghum halepense (John¬ 
son grass). 
A£cial ancestral host. 
/Viola papilionacea, 1912.. . 
\Viola sagittata, 1913. 
/Viola sagittata, 1912. 
\Viola sagittata, 1913.. 
/Viola sagittata, 1912. 
\P entstemon laevi gatus, 1913 
/Viola sagittata, 1912. 
\ Pentstemon Iaevigatus,i9i3 
/Viola papilionacea, 1912... 
\Viola papilionacea, 1913... 
/Viola papilionacea, 1912... 
Viola triloba, 1913. 
'Viola sagittata, 1912. 
Viola tricolor, 1913 (culti¬ 
vated pansy). 
/Viola sagittata, 1912. 
\Viola sagittata, 1913, 
/Viola sagittata, 1912. 
\Pentstemon Iaevigatus,i9i3 
Date of 
inocula¬ 
tion. 
1913- 
j^May s 
}-May 7 
|May 2 
}May s 
J-Apr. 21 
j-Apr. 
do. 
28 
j>May 
►Apr. 29 
Degree of infection. 
Ure- 
dinia. 
Vigorous.. 
1913 - 
May 22 
1. 
[No infection. Grass was 
< diseased with a systemic 
l smut. 
Vigorous. 
J 
May 19 
May 22 
1. 
.do. 
/No infection, but distinct 
\ pallid spots developed. 
No infection. 
[No infection, but perma¬ 
nent yellow spots devel¬ 
oped where germ tubes 
entered. 
No infection. 
1 . 
J 
PUCCINIA ANDROPOGONIS 
Andropogon virginicus 
Zea mays (corn). 
Kafir com. 
‘entstemon laevigatus_ 
...do... 
...do. 
...do. 
...do. 
...do. 
Apr. 19 
May 5 
Apr. is 
Apr. 19 
May 6 
May 15 
...do 
...do. 
May s 
May 7 
Amber-seeded sorghum 
Milo maize. 
Sorghum halepense.... 
..do, 
..do 
..do 
. .do 
..do 
May s 
May 7 
May s 
May 7 
May 5 
Vigorous. 
May 2 
May 17 
|No sori appeared, but yel- 
1 low spots appeared on 
1 blades where inocu- 
J lated. 
j [No infection, but reddish 
s spots appeared where 
[ blades were inoculated. 
j-No infection. 
.do. 
.do.. . 
CULTURE DATA FOR 1914 
CHARACTER AND SOURCE OP CULTURE MATERIAL 
For the culture work performed in 1914 teliosporic material of Puccinia 
ellisiana was used from six different sources and material of Puccinia 
andropogonis from two different sources. 
The teliosporic material of Puccinia ellisiana was (1) pedigreed mate¬ 
rial inoculated under control conditions in the greenhouses of the Bureau 
of Plant Industry at Washington, D. C.; (2) pedigreed material inocu¬ 
lated under control conditions at Clarendon, Va.; (3) pedigreed mate¬ 
rial from special selected areas near Courtlands, Va.; (4) pedigreed 
material from near Vinson, Va.; (5) material from a region free from 
Pentstemon at Spruce, Va.; and (6) pedigreed material obtained in 
1913 by inoculating Pentstemon with the teliospores of Puccinia ellisiana 
under control conditions in the greenhouses of the Bureau of Plant Industry 
at Washington, D. C., and then using these seciospores to infect Andro- 
