a SAPOTACE. 361 
crystals. The alcoholand acetone solutions when concentrated 
afford a syrupy, colourless, transparent fluid, which, when com- 
pletely dry, presents the appearance of gum, and is easily pow- 
ered. Concentrated sulphuric acid colours this substance 
_ yellow and afterwards brown; the addition of chloroform does 
not change the colour. On tha addition of a trace of ferric 
chloride to this mixture and allowing it to stand, a rose- 
coloured upper layer forms, which gradually becomes blue. 
‘This reaction much resembles that of cholesterine, but is not 
_ due tothe presence of that substance. Heated with fuming 
it. Warmed‘ a test tube it decomposes slowly and does not 
yield = crystalline product on cooling. Its formula is 
€®H'20. The portion insoluble in alcohol and acetone has the 
consistence of ordinary gutta-percha, but is more adhesive, and 
hardens mach more readily than that substance. _ On combus- 
Mou ae leaves a white ash consisting of sulphate of lime with a 
of chloride and phosphate of sodium. cet and 
Bekins iffen.) 
_. We find the bark of B. longifolia to contain 8 per cent. of 
utchoue, extracted by benzol; 17 per cent. of tannin, 
by water; and some oxidiend tannin removed sub- 
ciety by spirit or alkali. The bark contains starch and 
mboid crystals of calcium oxalate, and leaves 9°42 per cent. 
ash when burnt. 
The — principle contained in the seeds is probably 
a —No definite information concerning the internal 
in the flowers is obtainable, but its value has been esti- 
d at not less than 35 lakhs of rupees. For several years 
quantities were exported from Bombay to France. In 
rench Government, as ‘it was fond. to 
oui se interests, ee ee 
70,870. hi 1885 their import into Pendicg Wel 
