1889.] NATURAL SCIENCES OF PHILADELPHIA. 365 



Order VI. MORINGEAE 



1. Moringa pterygosperma, G. 



Horse-radish Tree, Ben-nut Tree. The root of this tree, finely 

 scraped, is eaten as horse-radish. The oil of Ben, obtained by 

 expression from the seeds, is much used by perfumers, and by 

 machinists, because it does not freeze or become rancid. 



Order VII. VIOLACEAE. 



Species of Viola, such as V. odorata, Sweet Violet, are cultivated 

 in gardens in Nassau for their flowers. 



Order VIII. CANELLACEAE. 



1. Canella alba, Murr. (Grisebac/i.) 



Bahama White Wood Bark, Wild Cinnamon, White Canella, 

 Wild Canella, False Winter's Bark. The bark from tins tree is 

 exported from the Bahamas ; it is known in commerce by the fore- 

 going names. It is an aromatic stimulant, tonic and cordial and 

 yields by distillation an oil with the same properties. 



Order IX. BIXINEAE. 



1. Xylosma nitidum, As. Gray. 



2. X. buxifolium. 



3. Xylosma sp. T 



4. Casearia lactioides. 



5. C. serrulata, Sw. 



All West Indian and indigenous. I know nothing of the uses of 

 any of these plants. The order as a whole has (fully) bitter and 

 astringent properties. Some of its members are poisonous. 



Order X. POLYGALEAE. 



1. Polygala sp.! 



Milk- wort; almost cosmopolitan. 



2. Badiera Domingensis, Jacq. 



Bastard Lignum vitae. West Indies. 



3. Bredemeyera sp. ! 



West Indian and South American. 



This order has tonic and astringent properties. Badiera Domin- 

 gensis is a sudorific like Lignum vita?. Some species of Polygala 

 are said to act as antidotes to snake bites. Bredemeyera is used 

 against syphilis in Trinidad. 



