PLATK XXXVI. 



CHAR.V SEJUNCTA. 



Fig. 1, Plant: natural size. 

 " 2, Stem, showing lower nalied segments of the leaves of a whorl, 

 and stipular ring (s. s.); 2 a, b, c, leaf with fertile nodes. .\50. 

 •• 3, Cross-section of stem; 3 a, spine. x50. 



