21 



LINAGES. 



110. LINDM CATHARTIC, L. (Purging Flax, Mountain Flax.) 



a. Herb. 



Note. Formerly official in the Ph. E. and Ph. D., and still used iu 

 country districts as a domestic medicine. It is bitter and cathartic. 



111. LlNUM USITATISSIMUM, L. P. J. [3], vol. i., p. 663. 



a. Seeds. (For micr. section, see Berg, Anat. Atlas, taf. 46.) 



b. Ditto, larger variety, from Calcutta. 



c. Ditto, white variety. 



d. Ditto, Russian. 



e. Ditto, English. 



f. Ditto, crushed. See P. J. [3] , vol. ii., p. 211. 



g. Linseed cake. 



h. Ditto, powdered. 



i. Linseed oil. 



Note. Charlock seeds, or other acrid seeds, belonging to the Cruciferae, 

 are sometimes accidentally mixed with linseed, and hence the meal 

 sometimes possesses an irritating property. For composition of Unseed 

 oil, see P. J. [1] , vol. iv., p. 325 ; for its purification, [1] , vol. xi., p. 470 ; 

 for adulteration of the meal, [1] , vol. ii., p. 728 ; and [2], vol. xi., p. 686. 

 The small seed which comes from the shore of Baltic, is to be preferred for 

 medicinal purposes to the large seed which comes from India. For fig. 

 of the plant see Bentley and Trimen, Med. Plants, tab. 39. 



OXALIDACE^E. 



112. OXALIS ACETOSELLA, L. 



a. Herb. 



Note. It contains binoxalate of potash, and was formerly used as a 

 refrigerant and antiscorbutic. 



113. GERANIUM MACULATUM, L. (Cranesbill, Spotted Geranium.) 



a. Root. (Alum root.) 



Note. The root is official in the United States Pharmacopoeia. It ia 

 a powerful astringent, free from bitterness. P. J. [2] , vol. v., p. 20. 

 For fig. of plant see Bentley and Trimen, Med. Plants, tab. 42. 



114. PELARGONIUM SPECIES. 



a. Essential oil. (French Oil of Geranium.) 

 Note. This must not be confounded with the Turkish oil of geranium, 

 which is obtained in India from a species of grass, the Andropogon 

 Schoenanthus, L., or Ginger Grass. It is this, and not the French Oil 

 of Geranium, which is used in Turkey to adulterate otto of rose. P. J. 

 [2], vol. ix., p. 290. The French oil of geranium from Paris firms is 

 of a greenish colour ; that from Nice is colourless. 



