Aug. 4,1923 Systemic Infections of Rubus with Orange-Rusts 223 
Table I.— Primary infection of the blackberry with sporidia of the short-cycled orange- 
rust, IQ 2 I 
Plant 
No. 
Variety. 
Time inoculated 
(1921). 
Infection noted 
(1922). 
Number 
infected. 
92 
93 
94 
95 C.W. 
97 
112 
134 
336 
337 
342 
95 
98 
135 
344 
353 
354 
355 
356 
357 
96 
99 
101 
105 B 
125 B 
136 
154 
330 
331 
343 
352 
369 
370 
37 1 
372 
373 
377 
333 
334 
335 
338 
340 
34 1 
345 
358 
359 
360 
393 
361 
4 i 5 
422 
Eldorado. 
-do. 
Crystal white 
-do. 
....do. 
-do. 
.do. 
....do. 
-do. 
....do. 
Kittatinny... 
_do. 
-do. 
_do. 
-do. 
_do. 
-do. 
-do. 
....do. 
Lawton. 
.do. 
-do. 
_do. 
_do. 
-do.. 
-do. 
Mercereau... 
.do. 
.do. 
.do. 
....do. 
_do. 
.... do. 
-do. 
....do. 
_do. 
Iceberg. 
_do. 
-do... 
-do. 
-do. 
-do. 
_do. 
.... .do. 
-do. 
_do. 
_do. 
Crandall. 
_do. 
_do. 
April 30 
.do. 
April 23 
April 16 
April 30 
May 5... 
May 23. 
May 2... 
April 27 
.do.. 
April 16 
May 2... 
May 23. 
May 15. 
April 20 
April 28 
April 24 
April 25 
-do.. 
April 30 
May 2... 
April 23 
-do.. 
.do.. 
May 2?. 
June 8. . 
May 2... 
April 24 
.do.. 
April 25 
.do.. 
... .do.. 
April 30 
_do.. 
April 26 
-do.. 
April 30 
April 20 
April 30 
_do.. 
May 2... 
April 23 
April 27 
April 23 
April 21 
April 26 
May 2... 
April 23. 
May 2... 
.... do.. 
April 28 
April 29 
May 9... 
April 30 
April 28 
May 15. 
May 6... 
_do.. 
May 3... 
April 28 
April 14 
April 28 
April 30 
May^5... 
_do.. 
May 16. 
May 5... 
f April 29 
\May 17., 
May 20., 
/April 30 
jMay 8... 
May 8... 
May 9... 
.do.. 
May 19., 
May 9... 
.do.. 
May 11.. 
May 5... 
April 28 
.do.. 
May 2... 
May 1... 
May 11.. 
May 1... 
May 3... 
May 2... 
May 17.. 
May 25.. 
May 3... 
May 22.. 
May 25.. 
1 
o 
2 
2 
4 
3 
5 
2 
3 
5 
1 
9 
1 
5 
2 
2 
2 
3 
5 
o 
o 
o 
o 
o 
o 
o 
2 
5 
4 
2 
7 
3 
1 
2 
2 
5 
4 
1 
1 
5 
1 
2 
2 
3 
1 
1 
3 
3 
1 
6 
1 
1 
The results of inoculation work carried on in 1922, repeating many of 
the experiments reported in the table, furnish further evidence in support 
of the writer’s interpretations and conclusions as regards the various types 
of infection. 
