386 BOTANICAL GAZETTE [DECEMBER 
TABLE VII. 
COPPER NITRATE. 
Botrytis Macrosporium Penicillium Uromyces 
Grew Failed Grew Failed Grew Failed Grew Failed 
n n n n n n ee 
* pet ok 
oe — — Soe bg 2 2 
a 6400 ¢ 3200 x 6400 - I00 a 6400 200 6400 3200 
n n 
2 
- 100 3200 - 3200 190 
. n 
800 
n 
2 
400 
Bee 
* No. 956. Grew on dry part only in one culture. 
TABLE VIII 
COPPER ACETATE. 
Botrytis Macrosporium Penicillium Uromyces 
Grew Failed Grew Failed Grew Failed Grew Failed 
sc aS 
n n n n n n i 6 ee 
pi Sel ne a Pe 
2 6400 . 3200 “d 6400 3 3200 = 3200 2 6400 1600 
n 
nw n n fee 3 tT 
: 3200 - 1000 " 1600 3200 800 
n 
4 —~4oo 
eee 
4 ~~300 
* No. 524. Twenty per 100 grew.— No. 525. Eighteen in 150 grew. 
1 No. 551. Five in 100 grew.— No. 552. A few in a bunch grew. 
TNo. 586. Six in 100 grew.— No. 587. Four in 100 grew. 
. ° bd wn 
Copper nitrate—Botrytis grew in ,,%,, and failed in sx00 
; ‘ ey ; n 
Macrosporium grew in ,%,,. Penicillium grew in zoo and 
zoo One culture became dry and grew at the dry portion, but the 
culture which remained moist showed no growth. Uromyces 
grew in 4755, but failed in ,%.. 
