60 



PUBLIC HEALTH BULLETIN NO. 286 



63. Leaves long petioled; flowers minute, in sessile clusters Boehmeria, p. 113. 

 on branch (fig. 54). 



63. Leaves sessile or short petioled 64. 



64. Flowers showy, yellow, or at least with yellow Bidens, p. 140. 



centers (fig. 56). 

 64. Flowers white or purplish (fig. 57) Eupatorium, p. 139. 



Figure 56. 



FlGUBE 57. 



65. Leaves with several veins running from base to apex. _ 66. 



65. Leaves with branched veins 67. 



66. Leaves large, mostly over 6 cm. wide; flowers Canna, p. 111. 



yellow, very large (fig. 58). 



66. Leaves smaller; flowers individually small, in Habenaria. p. 1 12. 

 terminal spike-like clusters (fig. 59). 



Figure 58. 



