TAXONOMY 
403 
Inulin is present in cell sap of parenchyma. Leaves alternate, rarely 
opposite, simple to compound, exstipulate. Inflorescence a capitu- 
Fig. 234 .—Valeriana officinalis —Plant and rhizome. (Sayre.) 
lum or a raceme of capitula, each capitulum surrounded by an in¬ 
volucre or protective whorl of bracts, and composed of numerous 
