108 BOTANICAL GAZETTE [ AUGUST 
39. MANNITE. 
(Begun February 3, 1 P.M.; closed February 4, 10 A.M.) 
Pst got inter Length Remarks 
ts 26.5™™ alive 
:, 45 * : 
32.5 
oe 31.5 ee “ 
so 27.0 “ «“ 
roo 26.0: “ “ 
200 44.0 “ ad 
abo a7.0-"" a 
40. BORO-MANNITIC ACID. 
(Begun February 3, 1 P.M.; closed February 4, 10 A.M.) 
gm, aon ok Baad Length Remarks 
ie ee 
ds 15.5™™ dead 
Pas 16.5 “ “e 
30 18.5 “ « (7) 
++ 18.0 “ ge ae. 
1b0 22.0." alive 
abo 32.0 “ bs 
abo 34.0 ‘“ “ 
abo 35.0 “ " 
tdo0 34.0." ‘“ 
41. Boric ACID AND CANE SUGAR. 
(Begun February 3, 5 p.M.; closed February 4, 10 A.M.) 
Concentration 
gm. mol, per liter Length Remarks 
Shiela aed eae 
vs 16.57" alive ? 
. 1b * ! 
sly 19.0 oe “és ! 
a ey 19.0 “ “ 1 
tbo 22.5 ‘ “ 
eee 20.0 “e “ss 
weak action of the acid is apparent. Mannite has no eo 
action on the seedlings, as is shown by table 39; however 
well known that when boric acid and mannite solutions 
