MATERIA MEDIC A. 103 



ERICACEyE. 



Arctostaphylos Uva-ursi, Sprengel, the BEARBERRY, 

 a northern mountain evergreen, has astringent leaves, 

 useful as a tonic in affections of the bladder.* 



EBENACE^:. 



Diospyros Embryopteris, Pers., the GAUB of India, 

 has an astringent pulp in the unripe fruit, used in 

 India in dysentery, f 



STYRACE^E. 



Styrax Benzoin, Dryander, is believed to be the 

 source of GUM BENZOIN or GUM BENJAMIN, of 

 Sumatra and Siam, which is used in bronchitis, etc., 

 and forms a principal ingredient in ' FRIAR'S 

 BALSAM/ though it is mainly consumed as incense in 

 the Greek Church. { 



OLEACE^:. 



Fraxinus Ornus, L., the FLOWERING or MANNA 

 ASH of Sicily and Southern Italy, is the chief source 

 of the mild laxative, MANNA, which consists mainly 

 of a sugar known as Mannite, C 6 H U O 6 . 



OLIVE-OIL, the produce of Olea europcea, L., though 

 employed in medicine, will be more fully alluded to 

 in the sequel. 



APOCYNACE^:. 



Carissa xilopicron^\i&\\3xs> in an alcoholic extract of 

 the root, || Geissospermum Vellosii,A.\\em, which contains 



* Bentley and Trimen, iii., pi. 163. f Ibid., pi. 168. 



% 'Kew Museum Guide,' p. 94. Bentley and Trimen, iii., pi. 169, 



Ibid., pi. 170. , 



[| Christy, ' New Commercial Plants,' No. 10, p. 103. 



