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SCIENTIFIC AND APPLIED PHARMACOGNOSY 



price. The latter variety when fresh has an unpleasant odor, but on 

 keeping develops an odor resembling myrrh and saffron. 



1. Socotrine Aloes. In yellowish-brown to dark-brown opaque 

 masses, or smooth and glassy, fracture somewhat conchoidal; some- 

 times soft or semi-liquid; odor saffron-like; taste, nauseous and 



Aloe vera, the plant yielding Barbadoes aloes. Showing crown of thick, 

 succulent leaves and the long spike (inflorescence) with the flowers on the upper 

 portion of the axis. After Engler. 



bitter. Powder yellowish-brown or brownish-yellow, giving a 

 yellowish or reddish-brown color with nitric acid. About 50 per cent 

 of socotrine aloes is soluble in cold water. It is almost completely 



