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PUBLIC HEALTH BULLETIN NO. 286 



45. Flowers showy, in clusters, yellow or pink (fig. 37) Hypericum, p. 123. 



45. Flowers not showy, in axils of leaves, mostly purple Ammannia, p. 125. 

 (fig. 40). 

 46. Leaves coverd with tiny black dots visible Gratiola, p. 135. 



with lens; flowers small, white (fig. 41). 

 46. Leaves not covered with black dots; flowers 47. 

 various. 



Figure 41. 



47. Flowers conspicuous, at least 1 cm. long or across 48. 



47, Flowers inconspicuous, small, less than 1 cm. long or 53. 

 across. 



48. Flowers irregular, purplish (fig. 42) Justicia, p. 136. 



48. Flowers regular 49. 



49. Flowers yellow (fig. 37) Hypericum, p. 123. 



49. Flowers not yellow 50. 



50. Stem woody at least at base, arching; flowers Decodon, p. 125. 



purple-pink, in auxiliary clusters (fig. 43). 



50. Stems not woody and arching, but sometimes 51. 

 corky at base. 



Figure 42. 



Figure 43. 



