GUMS AND GUM-RESINS. 



N. O. 195. EUPHORBIACE^S. SPURGEWORTS. 

 Euphorbia Tirucalli. Linn. Indian Tree-spurge. 



Linn. Syst. Decandria Trigynia. 



Vernacular. Lunka-sij, Beng. Trincalli, Mai. Tarn. 

 Habitat. India. 



Remarks. This is the Milk Bush of Anglo-Indians. The milk sap 

 evaporated, resembles INDIA RUBBER or GUTTA PERCHA. E. nereifolia 

 Linn. (Sij, Vulg.) and E. antiquorum, Linn. (Narsej, Vulg.) have a similar 

 juice. That of Euphorbia Cattimandoo, W. Elliot, of Vizagapatam hna 

 attracted considerable notice. Euphorbia cnnariensis, Linn, is the source 

 of the acrid gum-resin, EUPHORBIUM. Aleurites laccifera, Cruton Draco, 

 and Croton sanguiferum, have been already referred to under N. O. 4. 

 Siphonia elastica, yields the INDIA RUBBER of Brazil and Guayana. See 

 " N. Os. 140. 141. 195. and 200." 



N. O. 199. URTICACE^:. NETTLEWORTS. 

 Cannabis saliva. W. Common Hemp. 



Limi. Syst. Dioecia Pentandria. 



Vernacular. See "Drugs" and "Narcotics." 

 Habitat. Caucasus, Hindoo Koosh, Himalayas. 

 Remarks. The resin is commonly called CHURRUS. See " Drugs." 



N. O. 200. ARTOCARPACE^E. ARTOCARPALS. 

 Urostigma elasticum. Miq. Elastic-gum Fig-tree. 



Linn. Syst. Polygamia Dioecia 



Vernacular. Kusneer, Beng. 



Habitat. Shilet. Flourishes luxuriantly on the coast of "Western 

 India. 



RemarJiS. The source of INDIA-RUBBER. Ficus Radula, F. elliptica, 

 and F. prinoides, yield it in America. The INDIA-RUBBER of Papantha 

 is said to be derived from Castilloa elastica; and Cecropia peltata, a 

 common tropical tree, also furnishes the substance. Of N. O. 209. Salicaceae, 

 Populus niara, P. balsamifera, and P. nigricans, yield a balsamic exuda- 

 tion. Of N. O. 210. Liquidambaracese, Liquidambar orient ale t of Cyprus 

 and Anatotia, L. Altingia, of Java, and L. Styraciflua, of the Confederated 

 States of America, yield a balsam known in commerce under the various 

 names of COPALM, ROSE MALLOES, LIQUIDAMBAR, c. Of N. 0. 220. 

 Conniferse. 



Abies balsamea, yields CANADA BALSAM. 



Abies eanadensisj Lind. a portion probably of CANADA BALSAM. 

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