Jujubes. Zizyphus jujuba. Natural size. 
Two extreme forms of jujubes. To the left a very 
elongated one of yellowish-brown color, called "chi hsim 
tsao," meaning "chicken's heart jujube." On the right a 
round, compressed variety of dark mahogany-brown color, 
called "Tien tsao," meaning " sweet jujube." Photographed In 
Sianfu, Shensi, China, August 30, 1914, by Frank N. Meyer. 
Photograph Ro. 13123. 
