[VoL. 5 
288 ANNALS OF THE Missourr BOTANICAL GARDEN 
THAT Te TAKEN PLACE 
TABLE II 
SHOWING THE FINAL ACID REACTION AND THE CHANGE IN REACTION 
AFTER THE CULTURES WERE INCU 
TED AT ROOM TEMPERATURE FOR THIRTY D 
Phenylphtha- 
Culture no. Acid ein Difference та Difference 
as indicator as indicator 
Acetic 6.3* -- 5.6 -- 
Citrie 6.55 -- 5.7 - 
я | Lactic 4.5 — 3.8 -- 
Control Malic 6.15 НЕ 5.45 2 
Suceinie 6.5 — 5.9 — 
Tartaric 6.0 — 5.5 — 
Acetic 6.5 + 2 5.7 + 1 
Citric 5.5 --6.0 —3 --6.0 
1 Laetie 3.0 —1.5 2.8 —1.5 
Mali 3.5 —2.65 2.8 —2.65 
Succinie 2.9 —3.6 2.3 —3.6 
Tartarie 51 — 9 4.5 —1.0 
Acetic 6.7 + A 6.1 + .5 
Сите В —6.25 —.3 —6.0 
9 Laetie .25 —4.25 --.5 8 
айе 8 —5.85 —3 —5.75 
Suecinie A —6.2 „б --6.4 
'Tartarie 3.8 --9,9 8.3 —2.2 
Acetic 6.3 .0 5.7 + .1 
Citrie 4.1 --9,45 8.8 —2.4 
3 Lactic 3.4 —1.1 2.7 —1.1 
alie T —5.45 2 —5.25 
Succinic 5 D —.4 —6.3 
Tartarie 5.2 — .8 4.5 —1.0 
Acetic A --6.2 --.5 —6.1 
Citric 45 —6.1 —.3 --6.0 
4 Laetie 4 —4.1 —.3 —4.1 
alie 85 —5.8 —.3 —5.75 
Succinic 8 —6.2 —.3 —6.2 
Tartaric 6.2 + .2 5.5 .0 
Acetic 6.65 + .85 5.9 + 3 
Сите 9 —5.65 2 —5.5 
5 Malic 2.65 —1.85 2.0 —1.8 
Lactic 3 5.85 —3 —5.75 
Sueeinic 4 Е —.3 —6.2 
Tartaric 5.7 6 5.0 — 6 
«Тһе results are given in terms of ce. 
f and the e 
iralize 10 = of the culture solutions; 
an increase r is indicated in terms of ce. N/10 caustic soda per 10 ce. 
of the ioni solution 
N/10 eaustie soda required to neu- 
hange in reaction, whether 
