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Senna Leaves, Alexandrian Senna (Cassia acutifolia, Delile), 
Tinnevelly Senna (C. angustifolia, Vahl.). 
Egypt, Arabia. 
Other species of Cassia also have medicinal properties, includ- 
ing C. Fistula, L., C. marylandica, L., and C. obovata, Collad. 
Pods and flowers are used as well as the leaves in some cases. 
Senna leaves are worth up to 103d. per lb. 
Colocynth (Citrullus Colocynthis, Schrad.). 
Forrien.—Smyrna, Trieste, France, Spain. 
The fruit pulp. 
Coriander (Coriandrum sativum, L.). 
BritTIisH ecieny Isles (Essex). Forerren. —Russia, Germany, 
Holland, Mor 
The fruits are a present valued from 17/3 to 19/- per ewt. It 
would probably pay to produce more fruits in the British Isles. 
Datura Leaves and Seeds (Datura fastuosa, L., var. alba, D. 
Stramonium, L., and D. Metel, L.). 
Britisu.—British Isles. Forre1an.—Germany, Austria. 
- It is probable that the witches Isles could be made self-support- 
ing with regard to this 
Digitalis, Foxglove (Digitalis purpurea, L.). The leaves.. 
RITISH. Paine Isles, wild and cultivated. Forreran.— 
Germany, Austria, &c 
A greater Suen could be produced in the British Isles. 
Fennel Seed (Foeniculum vulgare, Mill.). 
Forriegn.—France, Austria, Persia, Japan, &c. 
Seed is sometimes grown in the Br itish Isles. Value February, 
1916, 31/- to 32/- per cwt. 
Gentian Root (Gentiana lutea, L.). 
Forrren.—France, Germany, Switzerland, &c. 
Price in ice 1916, whole root 62/6 to 65/- per ewt., cut 
root 72/6 per 
- 
Liquorice Root (Glycyrrhiza glabra, L.). 
Brit1su.—British Isles (Yorkshire, near Pontefract). ForEren. 
—Belgium, Germany, Russia, Asia Minor, Persia, France, 
Spain, &e. 
This crop was formerly grown more extensively than at present 
in the British Isles. Present price about 40/- per cwt. 
Witch Hazel Bark (Hamamelis virginica, L.). 
Forrren.—North America. This could probably be produced 
both in the British Isles and Canada. 
