31 



Explanation of Figures in Pl. T. 



Sasa albo-marginala Makino et Shibata. 



Fig. 1. Plant in flower, with a portion of the long creeping rhizome, x }, 



Fig. 2. A portion of the culm with a branch. 



Fig. 3. A detatchecl spikelet. a, b empty glumes. Nat. size. 



Fig. 4. A separate flower, showing 6 stamens, Enlarged. 



Fig. 5. Lodicuta. Enlarged. 



Fig. 6. A j istil. Enlarged, 



Sasa borealis Makino et Shibata. 



Fig. 7. An inflorescence, x J. 



Fig. 8. A spikelet. a, b empty glumes. ■ Slightly enlarged. 



Fig. 9. A separate flower. Enlarged, 



Fig. 10. Lodiculje. Enlarged. 



Fig. 11. A pistil. 



Fig. 12. Floral diagram. 



Fig. 13. Caryopsis. Nat. size. 



Fig. 14. Ditto. Enlarged. 



Fig. 1.3. Transverse section of the peripheral region of the root-cortex : 



hyp. hypodermal cells with thickened outer walls ; set. a portion of 



the peripheral sclerenchymatic layer, x 350. 

 Fig. 16. Transverse section of the root, showing the C-formed endodermic 



cells (end.) : vers, innermost cell-layer of the root-cortex, forming 



" Verstarkungsring "; per. pericambium. x 350. 

 Fig. 17. Endodermis of the root of Sasa panieidata Makino et Shibata 



in earlier stage of thickening : R. cortical parenchyma ; end. endodermis ; 



per. pericambium. x ca. 400. 



Bambusa slenostaehya Hack. 



Fig. 18. Transverse section of the root, showing the persistent epidermis 

 (ep.) and unthickened hypodermis (hyp.) ; scl. sclerenchymatic layer ; 

 H. cortical parenchyma ; h. root hair, x ca. 350. 



Fig. 19. Transverse section of the root, showing the O-formcd endodermis 

 (end.): It. innermost layer of the cortical parenchyma; per. peri- 

 cambium. xca. 350. 



