514 



A TEXT-BOOK OF BOTANY. 



drug Cannabis indica. The plant is an annual branching herb 

 from i to 3 M. high. The leaves are alternate above, opposite 

 below, digitate with 5 to 1 1 linear-lanceolate, deeply serrate lobes. 

 The flowers are dioecious, the staminate occurring in panicles and 

 the pistillate in erect simple spikes (Figs. 409, 410, 412). From 

 the inner bark of the stem, which is fibrous, the HEMP FIBER is 

 prepared. 



FIG. 285. Several large rubber trees (Ficus elastica) growing in Java and showing 

 the production of numerous aerial roots from the branches. It occurs in damp forests 

 from the base of the Sikkim Himalaya eastward to Assam and Arracan. There are large 

 government plantations in Assam, and it is also being cultivated in other provinces. Kurz 

 remarks that it is frequent in Upper Burma, and that whole forests of the species are said 

 to exist in the valley of Hookhoom. Reproduced by permission of The Philadelphia Com- 

 mercial Museum. 



Humulus Lupulus or hop is a twining perennial plant, curving 

 to the right, with opposite, palmately 3- to 7-lobed (or simply 

 dentate above) rough leaves (Fig. 286). The flowers are dioecious, 

 the staminate ones occurring in panicles and the pistillate in 

 ament-like spikes. On the inner surface of each scale of the 

 ament occur two flowers consisting of a membranous perianth 



