ORGANIC STRUCTURE. 



95 



the Bambusa arundinacea^ among- trees, and such as 

 the Lychnis coronaria, among herbs. 



The Vitis vinifera is a type of a solid and jointed 

 stem, and the Juncus Jilifbrmis of that of a simple 

 one. Single trunks are exemplified in palms and 

 some of the Comferce^ and a plurality of them are 

 shown by the Philadclplius corondrius. 



Erect stems are such as the Araucaria imbricata, 

 and others of the Coniferce and Palmce. Inclining, 

 as the Ldrix pendula. Prostrate, as the Fraxinus 

 pendula, and Fragdria vesca. Pendulous*, as Cereus 

 flagelliformis. Involvate, or twining from west to 

 east as Phaseolus, or from east to west as Humulus. 

 . Pig. 28. 





Twining or spiral stems. , French bean ; 6, the hop. 



* Although there cannot he, in fact, any such thing as a pen- 

 dulous stem on a level surface, yet the Cereus specified being an 

 inhabitant of craggy precipices, the position of its pliant stems is 

 generally pendulous. 



