A. timbo, Buenos Ayres.
A. curupi, Curupy bark.
A. angico, or Piptadenia macrocarpa, Brazil, yields “angica bark,” a sample of which contained 20 per cent. of tanning matter when analysed recently in the Author’s laboratory.
“White Bark,” South America, probably an acacia, bark internally very similar to angica, if not identical.
A. horrida, “Doornbosch,” Cape of Good Hope, contains 8 per cent. of tannin.
Inga feuillei, “Paypay,” Peru. Pods said to contain 12-15 per cent. of tannin (doubtful). Several other species of Inga known to contain tannin.
Elephantorrhiza Burchellii, Elandsboschjes, Tugwar, or Tulwah, South Africa; a papilionaceous plant. The air-dry root contains 12 per cent. of tannin, and a great deal of red colouring matter. The roots are several feet long, and about 2 inches in diameter, growing by the sides of rivers.
The following additions may be made to the above list:—
EUPHORBIACEÆ.
Cleistanthus collinus, “Kodarsi,” Deccan. Bark stated to contain 33 per cent. of tannin.