142 THE USES OF PLANTS. 



WALNUT, KUKUI, KAKUNA or KEKUNE OIL, ex- 

 ported from the Sandwich Isles, mainly to San 

 Francisco. It is said to be equal to Rape Oil. It 

 was imported from Fiji to the value of 3,040 in 1877. 



Stillingia sebifera, Michaux, the CHINESE 

 TALLOW-TREE, the seeds of which are coated with 

 a fat mainly consisting of palmitin, now forms a 

 regular import for soap and candle making.* 



Reference has already been made to the medicinal 

 CROTON OIL, obtained from Croton Tiglium, L., and 

 to CASTOR OIL, from Ricinus communis, L., the in- 

 ferior qualities of which are used for soap-making. 

 That of the PHYSIC NUT (Jatropha Curcas, L.), a 

 native of Tropical America, introduced into most 

 tropical countries, is purgative, but has been imported 

 for lighting and cloth-dressing, as SEED OiL.f 



JUGLANDACE.E. 



Juglans regia, L., the WALNUT, yields an edible 

 oil, which, when expressed with heat, is a valuable 

 drying oil. Similar oil is obtained from J. cinerea^ L., 

 the BUTTER-NUT, of the United States (see p. 58, 

 supra}. 



MYRICACE^E. 



Myrica cerifera, L., the BAYBERRY or WAX-M YRTL 

 of North America, M. cordifolia, L., of South Africa, 

 and other species, secrete a wax on their berries, used 

 in candle-making. 



* ' Encyclop. Brit./ loc. tit. 



j* Archer, * Popular Economic Botany,' p. 265. 



