The juice that flows from the transversely cut leaves of Aloe Perryi, Baker, evaporated to dryness.

Habitat.—Eastern Africa.

Properties.—In hard masses, occasionally soft in the interior; opaque, yellowish-brown, orange-brown or dark ruby-red, fracture resinous. When moistened it emits a fragrant saffron-like odor; taste peculiar, strongly bitter. Almost entirely soluble in alcohol and four parts of boiling water. The powdered socotrine aloes is brighter and redder, and the odor less disagreeable than that of Barbadoes Aloes.

Constituents.—About the same as Barbadoes Aloes.

Dose.—Same as Barbadoes Aloes.