38 
Note on Овоутн or SUGAR-CANE. 
Мт. Criper presented the following suggestive note on the growth of 
sugar-cane :— 
Iam enabled, by the kind permission of Mr. Macalister of the Rosa 
Sugar Works, to place some analyses made by me at that place, = 
the Society, illustrating the gradual formation of sugsr in the sugar 
cane, at differe nt periods of its growth. 
The cane was analysed in July, September, and November. The 
three joints at the bottom of the cane, and the three at the top, just 
below the commencement of the leaf, were taken for analysis, the middle 
joints being left, 
ANALYSES OF Secs = DIFFERENT PERIODS = THEIR GROWTH, 
WING THE PROGRESS or RIPENING. 
Ist Ana —J ex 3155, 
Height to end of leave - 8 feet. 
eginning of leaves - - » 
Weight of was who e - - 11 chittacks. 
Cane only Lad " 7 25 
— Top 3 joints. | Bottom 8 joints. 
- - à a - nil. 2:00 
оне - < ^ * = - 1:28 1°60 
ч - - - = ‚96 " 
Cul - - - E 6°00 13°95 
Organic т matter soluble - - - - 1:68 
Acid (acetic) 2 š š š -22 
Wate > - - - - 89*86 80:97 
100 100 
Total juice - - - -| 94 per cent. 86 per cent. 
ANALYSIS OF CANES. 
2nd Analysis.—September 12th. 
Height of cane to end of lea 9 ft. G i iE 
begi sts ‘ot loaves - - 6 ft. 4 
Weight of cane only - - 10 chittacks. 
hole = T м 14 Р] 
—- Top 3 joints. | Bottom 8 joints. 
Cane-sugar - - E nil. 8 
Glucose ~ - - ~ a - 2°69 1 
— 34s as Gee X eue № Es 
ose and л 
Albuminous matter $ Е * ° 10°82 15°09 
Acid bad j - < - e 9 
Water - - - - - - 85:52 75:13 
ETE 100 
