94 THE USES OF PLANTS. 



Melalettca Leucadendron, L., var. minor, Smith, a 

 native tree of the Indian Archipelago, is the plant 

 from the leaves of which the rubefacient and stimulant 

 CAJEPUT-OIL is obtained by distillation. It is pre- 

 pared mainly in Celebes, Bouro, and Amboyna, and 

 consumed chiefly in India.* 



CLOVES and MOTHER CLOVES, only important as 

 spices, have been already mentioned (p. 66, supra). 

 CLOVE-STALKS, another product of Eugenia caryo- 

 pkyllata, Thunb., are used to adulterate ground cloves. 

 The essential oil is used in pills and for toothache. f 



PIMENTO (Pimenta officinalis, Lindl.) yields a dis- 

 tilled water, frequently prescribed.^ (See also p. 66, 

 supra). 



The cork both of the stem and of the root of the 

 POMEGRANATE (Punica Granatum, L.) is officinal in 

 India. 



CUCURBITACE^:. 



Ecballium Elaterium, A. Richard (Momordica, L.), 

 the SQUIRTING CUCUMBER, a native of Southern 

 Europe, cultivated on a small scale at Mitcham and 

 Hitchin, yields the powerful cathartic ELATERIUM, 

 the juice round its seeds containing the crystallizable 

 principle Elaterin, C 20 H 28 O 5 .|| 



Citrullus Colocynthis, Schrader (Cucumis, L.), COLO- 

 CYNTH, a plant more widely distributed though the 

 drier regions of the Old World, contains Colocynthin, 

 C 56 H 84 O 23 , and is similarly employed.lf 



* Bentley and Trimen, ii, pi. 108. f Ibid.) ii, pi. 112. 

 | Ibid.) ii, pi. Hi. Ibid., ii, pi. 113. 



II Ibid., ii, pi. 115. IF Ibid.) ii, pi. 114. 



