41 



212. AMYGDALCS COMMUNIS, continued. 



/. Volatile oil distilled from the cake after expression. 



Note. Bitter almonds frequently occur mixed with all varieties of the 

 sweet almonds, except the Jordan almonds. 



Valencia almonds may generally be recognised by their greater com- 

 parative breadth and by their flatness ; the Barbary by their being 

 smaller and very variable in size and shape. Pharmacographia, pp. 

 216-223 ; Per. Mat. Med., vol. ii., pt. ii., p. 243 ; for fig. of several varieties 

 see P. J. [1] , vol. vi., p. 222 ; for micr. structure of seed, Berg, Anat. 

 Atlas, taf. 45 ; for almond paste, P. J. [1] , vol. iv., p. 387. 



213. AMTGDALDS COMMUNIS, L., var. /3 DDLCIS ; PRUNUS AMTGDALUS, 



Baillon. 



a. Drupes, preserved wet. 



6. Endocarp and seed. (Shell Almonds.) 



c. Seeds. (Jordan Almonds.) 



d. Ditto. (Valencia Almonds.) 



e. Ditto. (Barbary Almonds.) 



f. Ditto, powdered. 



For fig. of plant, see Bentley and Trimen, Med. Plantt, tab. 99. 



214. CERASDS SPECIES. 



a. Gum. (Cherry-tree Gum, Gummi Nostras.) 



Note. This gum is chiefly derived from Cerasus avium, L., and 

 Prunus domestica, L. It is only partly soluble in water. Per. Mat. Med., 

 vol. ii., pt. ii, p. 302. Hist, des Drag., vol. iii. , p. 348. 



b. Sicilian gum. 



Note. This is produced also by various species of Cerasus and 

 Prunus. Hist, des Drog., vol. iii., p. 442. 



215. CERASUS SEROTINA, D. C. 



a. Bark. (Wild Cherry Bark.) 



b. Ditto, from young branches. 



Note. Official in the United States Pharmacopoeia. It is used as a 

 sedative tonic in phthisis, etc. 



It is the Prunus serotina, Ehrh., of Pharmacographia, p. 224, and the 

 Prunus Virginiana of commerce. It somewhat resembles elm bark in ap- 

 pearance but has a short not a fibrous fracture, and the taste resembles 

 that of apple seeds. See P. J. [2] , vol. v., p. 97 ; [3] , vol. iv., p. 387 ; 

 Per. Mat. Med., voL ii., pt. ii., p. 279. Bentley and Trimen, Med. Plant*, 

 tab. 07. 



TRIBE ROSEJ:. 



216. BRATERA ANTHELMINTICA, Kunth ; HAGENIA ABTSSINICA, Willd. 



a. Flowers. (Kousso.) 



b. Ditto, an original package. 



Note. These specimens appear to consist exclusively of the pistillate 

 flowers. A dried specimen of the plant is in the Herbarium. See Per. 

 Mat . Med. , vol. ii., pt. ii., p. 298 ; Pharmacographia, p. 228 ; for fig., P J. 

 [1] , vol. x., p. 19. For fig. of flowers, etc., see Bentley and Trimen, M<d. 

 Plantt, tab. 102. 



