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PUBLIC HEALTH BULLETIN NO. 286 



19. Leaves equitant at base; that is, coming in two ranks 20. 

 making the base of the plant appear to be flattened. 



19. Leaves coming out from all sides of base 21. 



20. Leaves large (1 cm. wide or wider); flowers Iris, p. 110. 



very showy (fig. 13.) 

 20. Leaves smaller, rigid; small yellow flowers Xyris, p. 104. 

 gathered in dense heads at top of naked 

 stalk, each subtended by a scale-like bract 

 (fig. 14). 



Figure 14. 



