120 BOTANICAL GAZETTE [AUGUST 
that contains 1 gm. mol. in 6400 liters; then follows meta-oxy- 
benzoic acid, which is only fatal after the concentration I gm. 
mol. in 3200 liters is overstepped; and finally para-oxy-benzoic 
acid of which the radicles will bear 1 gm. mol. in 1600 liters. 
67. SALICYLIC ACID. 
(Begun January 14, 9 P.M.) 
Concentration Length Length 
gm. mol, per liter} Jan. 15, 9 A.M. an, 15, 6 P.M. Remarks 
599 5 
s200 16.00% dead 
vie ere 18.5 sid 66 
3400 24.5 “ 26.00" alive 
ye 5 * dead 
12800 26.0 “ 29.0 “ alive 
68. MrTA-oxy-BENZOIC ACID. 
; (Begun January 23, 8 P.M.) 
Concentration Length Length 
gm. mol, per liter) Jan. hg 12M, | Jan. mee P.M. Remarks 
Teo 1g.5™™ flabby, dead 
see S60 “ “ 
sv00 23.5 “ 28.0™™ living 
ieee 23.5 ia 28.5 ‘“ “ : 
ston 20.0: " apparently n’r’ml 
ore’ 28.0 se “ec “ce 
Taboo 20.5 wn! “ec “ 
bee 24.5 “ “ ee 
69. PARA-OXY-BENZOIC ACID. 
(Begun January 23, 8 P.M.) 
Concentration ' Lengt 
gm. mol, perliter| Jan, 24, se M, jue an iat — 
Se mth os ee 
tos 19.0" flabby, dead 
eee 25.0 “ 26.0™™ =| living 
savy 24.5 . 26.0 “ a : 
tees 27.5 29.5 “ “ 
e400 oS | apparently n’r'ml 
lg? 32.0 “ “ . 
tabo00 25.5 “ v : 
tenes an. : 
aes 
