PLATE LI 



Page. 



Figs. 1-6. Paliurus zizyphoides, Gr. 1 274 



Figs. 7-9. Zizyphus distortus, Gr. 1 275 



Figs. 10-14. Zizyphus Meekh, Gr. 3 275 



Fig. 15. Zizyphus hyperboreus, Gr. 3 276 



