36 NEW, BARB AND DESIRABLE STOVE PLANTS. 
(iUSTAVIA GR.Vt'II.MMA. For ilcscriiition and i>rice, vide page 35. 
HEVEA BRASILIENSIS. 
An impoi'taut plant from the uommeiriiil value of its i)roduct, for it yields one of the Rest kinds 
of Caonteliouc, wld(rh is known as Para liublxa*. It is a native of Brazil and other parts of South 
Ameriea, where it forms a huge tree. Tlie leaves are trifoliolate, with membranaceous elliptie-lanceolate 
leaflets, and are clustered towards the emls of the branches, while the inflorescence is paniculate. It 
belongs to the order Eaphorhi<icc(v. (Jaoutcliouc consists of the milky juice of this and some other- 
plants, which is collected and dried for commercial use. 
