Mongumo Bark. Ochrosia borbonica.
Mongumo Bark.—For analysis of this Madagascar bark, which is said by E. M. Holmes to resemble the bark of Ochrosia borbonica J. F. Gmel (Fam. Apocynaceae), see P. J., ix, 816. It was examined by Dragendorff, who found mongumic acid, resin, waxy substance, a glucoside soluble in water and alcohol, metarabic acid, fatty matter, calcium oxalate and a substance insoluble in alcohol and soluble in water.