Cor.tr. Nat. Herb., Vol. IX. 



PLATE XI. 



FIQ. 1. RAPHIDES, OR NEEDLE-LIKE CRYSTALS OF OXALATE OF 

 LIME IN LEAF-BLADE OF TARO PLANT (CALADIUM COLOCASIA). 

 ENLARGED 100 DIAMETERS. 



FIG. 2. A SINGLE CAPSULE DISCHARGING ITS NEEDLES. ENLARGED 

 200 DIAMETERS. 



