56 
The bulk of the gum is formed by a kind of arabin, thrown out of 
a watery solution without addition of acid or alkali, The precipitate 
dissolves on addition of a few drops of HCl or of KOH solution. It 
does not gelatinise with ferric salt, and is present at 24 per cent, In 
the eae gum. 
- 
by uranium acetate. The reaction by ferricyanide of potassium 1 
ammonia is pink or crimson. All precipitates are of a bulky nature, 
like those of the gummy group of Eucalyptus gums. tine, 
albumine, and the alkaloids are very much precipitated in the watery 
solution of Bombax gum. A red-brown phlobaphene 1s deposited 
the watery solution after boiling with dilute HCl. Dry distillation 
yields eee 
ALYSIS— 
Water’ oes 
Arabia - 205 
etarabi . 16°4 
Impurities - 128 
‘annin . 335 
100°0 : 
148. Scrub Bloodwood 
The blood-red sap which oozes from the trunk when cut was ‘ling the 
by me on several occasions. It hardens to a red gum, resembbng @ 
very little gummy matter present under the form of arabin . Tt 1 
down from the solution by alcohol with alkali ‘on standing: ile ; 
‘forms an ven 4 
paint,” but inferior to the solutions of Zucalyptus corymbosa Peap of q 
on 
NH,Cl; ammon. molybdate in HNO, gives a brown precipitate, 
lighter by acids. The precipitate of uranium acetate 1s Towns? god 
of lead acetate and lead nitrate are white. Gelatine, albumity 
alkaloids are precipitated by Baloghia gum solution. pee 
are delicate owing to the small amount of arabin present and t 
out together with the salts. ~The red-brown phlobaphene aban 
after boiling with dilute HCl resembles that of Bombax g0™* — 
distillation yields catechol. . 
