1917] 
DUGGAR—FUNGI IN PLANT DECOCTIONS 281 
were repeated. The manipulation of the cultures, dry-weight 
determinations, е!с., were exactly as described in our previous 
paper. 
The complete results of these series are given in tables т, п, 
and тп, and most of these data are shown graphically in figs. 
1-5. These curves are based primarily on the relations of 
TABLE II 
GROWTH OF GLOEOSPORIUM GOSSYPII ON VARIOUS DECOCTIONS WITH AND 
WITHOUT OTHER NUTRIENTS 
: Dry weight in grams 
Culture medium Apple |Mangold| Carrot | Celery | Salmon 
1 Natural decoction........... .049 .241 .123 .071 . 135 
1a Standardized ет: (to + 15 
bullerasc8lB) ierra € E .072 „111 
Nat'l. dec't.-- 13.68% sugar..| 2059 .379 | .344 | .817 ‚596 
Nat’l. D ERO 68% sugar 
с, .333 .330 .561 .689 .730 
Nat'l. d ес 't.+ 1% K picem .223 .195 .153 .073 .160 
Na ig ne t.+ EC SM Ln ремін 
А КОМ л хое .171 .444 .283 .912 .653 
'.+ .5% КН:РО. .. та ‚281 . 149 . 104 .163 
2 4... . . B o» yo . 4... .2.. 
ы 
2 
5 
8. 
+ 
5-5 
ж 
а» 
"" 
Q 
2 
кю 
4 
KNO;+.5% KHiPO, .395 .835 .533 ‚148 ‚552 
KNO, + 
‚216 ‚348 ‚164 ‚099 „131 
зоне + 
© 00 NAD ль Ot 
2 
ы 
et 
258 
еі ЕРО 25522555252. .470 ‚581 .485 .497 5529 
10 j odi MES t. and $ distilled 
Даев ТЕТЕ .038 . 158 . 073 . 047 . 096 
3 не) бар t. and 3 Richards’ 
TUR CHE о. 2991 .492 519 re . 509 
3 nat'l. dec't. ind 3 ash sol...| .044 .134 .032 qu .098 
Nat' 3 T t уча uL MgSO, A 
чай, ae insit to 10^* 
Аа ЕТТЕН .209 
Natl. Чест. brought to 107% 
ib T i na ОР dr. .284 
the different cultures containing the decoctions, but for com- 
parison half-strength and full-strength Richards' solution, 
also Richards’ solution containing 13.68 per cent sugar, are 
included. 
In the tables the numerals at the left of the various culture 
solutions correspond to those in the legends of the figures, 
and therefore a fuller explanation of the figures is afforded 
by referring to the tables. The addition of sugar and other 
nutrients to the decoctions (or other solutions) is expressed 
