102 



406. OLEA EUROP^A, L. (Olive Tree.) 



a. Branchlets in fruit, preserved wet. 

 6. Drupes, preserved wet. 



c. Olive oil. Two specimens. 



d. Castile soap. 



e. Venetian soap. 

 /. Resin. 



Note. Castile soap is a compound of olive oil and soda. It owes its 

 colour to the decomposition of ferrous sulphate, stirred into the soap 

 during its manufacture. Pure soft soap is a compound of olive oil and 

 potash. For the resin, see Per. Mat. Med., vol. ii., pt. i., p. 664. F,or 

 detecting adulterations, P. J. [l],vol. xii., pp. 484, 497 ; [l],vol. iii., 

 p. 293 ; [2] , vol. iv., p. 376 ; [2] , vol. vii., p. 277. The leaves and bark 

 of the olive tree are febrifuge. P. J. [1] , vol. xiii., p. 353 ; [2] , vol. iv., 

 p. 473. For fig. of plant, see Bentley and Trimen, Med. Plants, tab. 172. 



PLANTAGINACE^. 



407. PLANTAGO ISPAGHULA, Roxb. 



a. Seed. (Spogel seeds, IspJiagul.) 



Note. These seeds contain a quantitv of mucilage, and are official in 

 the Pharm. Ind. as a remedy for diarrhoea and dysentery, as well as for 

 catarrhal and renal affections. See Ind. Pharm., p. 182; and for fig. 

 P. J. [3] , vol. i., p. 86. This specimen was presented by Dr. Christison. 

 For fig. of plant, see Bentley and Trimen, Med. Plants, tab. 211. 



BORAGINACE^;. 



408. ANCHUSA TINCTORIA, L. 



a. Root. 



Note. The red colouring matter of this root is soluble in oil, turpen- 

 tine, and spirit, but not in water. See P. J. [1] , vol. vii., p. 535. 



LABIATE. 



409. COLLINSONIA CANADENSIS, L. r 



a. Rhizome. (Stone Boot, Oxbalm, Collinsonia Root.) 

 Note. The rhizome is used in North America as a stimulant tonic in 

 atonic dyspepsia, chronic laryngitis, clergyman's sore throat, or in any 

 case where a tonic for the mucous membrane is required. Amer. 

 Dispens., p. 278. 



410. HEDEOMA PULEGIOIDES, Pers. (American Pennyroyal, Lickweed, 



Squaw Mint.) 



a. Essential oil. (American Oil of Pennyroyal.) 

 Note. This oil is used in the United States instead of oil of penny- 

 royal. It is official in the U. S. Pharmacopoaia. Its sp. gr. is -945--948, 

 that of oil of pennyroyal being -925--931. For fig. of plant, see Bentley 

 and Trimen, Med. Plants, tab. 200. 



411. LAVANDULA VERA, D.G. (Lavender) 



a. Flowers. 



