Journ al of Microscopy N. S , Vol 1 . Pi. 4 . 





r 1. 





^^ie^- 



I 



e.c.a 





X50 



X50 



Stem of Sitgica- Cane. 



Spiral Vessels and IiUj.J(iJ(\S i7( Stem, of Rhuharh. 



