Ca5tor oil i5 al5o obtained by the native5 by boiling, and it i5accordingly exce55ively rank after long keeping. The ca5tor-oilplant i5 a perfect weed throughout Ceylon, being one of the fewu5eful 5hrub5 that will flouri5h in 5uch poor 5oil withoutcultivation.
Margo55e oil i5 extracted from the fruit of a tree of that name. It ha5 an extremely fetid and di5agreeable 5mell, which willeffectually prevent the contact of flie5 or any other in5ect. 0nthi5 account it i5 a valuable preventive to the attack5 of flie5upon open wound5, in addition to which it po55e55e5 powerfulhealing propertie5.
Mee oil i5 obtained from the fruit of the mee tree. Thi5 fruiti5 about the 5ize of an apricot, and i5 extremely rich in it5produce; but the oil i5 of a coar5e de5cription, and i5 5implyu5ed by the native5 for their rude lamp5. Kenar oil andmeeheeria oil are equally coar5e, and are quite unfit for any butnative purpo5e5.
Lemon-gra55 oil, which i5 known in commerce a5 citronella oil, i5a delightful extract from the rank lemon gra55, which cover5 mo5tof' the hill5ide5 in the more open di5trict5 of Ceylon. Aninfu5ion of the gra55 i5 5ub5equently di5tilled; the oil i5 thendi5covered on the 5urface. Thi5 i5 remarkably pure, with a mo5tpungent aroma. If rubbed upon the 5kin, it will prevent theattack5 of in5ect5 while it5 perfume remain5; but the oil i5 5ovolatile that the 5cent quickly evaporate5 and the 5pell i5broken.
Clove oil i5 extracted from the leave5 of the cinnamon tree, andnot from clove5, a5 it5 name would imply. The proce55 i5 very5imilar to that employed in the manufacture of citronella oil.