ows the results of
some experiments made by M. Grauzac, of Dagny:--

Seed produced Oil obtained per
per acre. acre, in lbs. Oil per Cake
cwts. qrs. lbs. lbs. ozs. cent. per cent.

Colewort 19 0 15 875 4 40 54
Rocket 15 1 3 320 8 18 73
Winter rape 16 2 18 641 6 33 62
Swedish turnips 15 1 25 595 8 33 62
Curled colewort 16 2 18 641 6 33 62
Turnip cabbage 13 3 19 565 4 33 61
Gold of pleasure 17 1 16 545 8 27 72
Sunflower 15 3 14 275 0 15 80
Flax 15 1 25 385 0 22 69
White poppy 10 1 18 560 8 46 52
Hemp 7 3 21 229 0 25 70
Summer rape 11 3 17 412 5 30 65

The subjoined list will serve to exhibit the richness of the produce
of different Indian seeds, from which varieties of oil are extracted;
it gives the proportion of oil per cent. in weight:--

Sesame oil (_Sesamum indicum_) 46.7
Black til, coloured variety of ditto (_Verbesena sativa_) 46.4
Gingelie oil (_S. orientale_) 46.7
Ground nuts, produced by _Arachis hypogoea_ 45.5
Wounded seeds obtained from the Poonnay-tree (_Calophyttum
Inophyllum_), a bitter lamp oil 63.7
Karunj seeds, from the _Pongamia glabra_ 26.7
Ram til, the seeds of the nuts Ellu, or _Guizotia oleifera_ 35
Poppy seeds (_Papaver somniferum_) 43 to 58
Silaam, an oil seed from Nepaul 41
Rape seed (_Brassica napus_) 33

The foregoing are not all the seeds from which oil is extracted by the
natives of the East. In addition to this there are cottonseed oil,
used for their lamps. Castor oil and Argemone seed, similarly used.
Oil obtained from the fruit of _Melia Azadriachta_, for medicine and
lamps. Apricot oil in the Himalayas, sunflower oil, oil of
cucumber-seed for cooking and lamps, oil of colocynth seed, a lamp
oil.

The seeds of bastard saffron (_Carthamus