64 



PUBLIC HEAUTH BULLETIN NO. 286 



76. Flowers in terminal clusters which may be Polygala, p. 120. 



compound (fig. 68). 

 76. Flowers solitary or a few in the axils of the Hygrophila, p. 136. 



leaves (fig. 69) . 



xy3 



FiGUKE 69. 



77. Leaves aromatic when crushed (fig. 70) Pluchea, p. 139. 



77. Leaves not aromatic 78. 



78. Leaves large, over 5 cm. broad; flowers large, Hibiscus, p. 122. 



over 5 cm. across (fig. 71). 



78. Leaves and flowers much smaller 79. 



Figure 70. 



Figure 71. 



