PHARMACEUTICAL BOTANY 
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Loganiacece or Logania Family. —Herbs (Spigelia, etc.), woody 
vines -(Gelsemium, etc.) or trees (Strychnos' Nux Vomicd, etc.) with a 
bitter juice usually containing alkaloids. Stem, rarely herbaceous, 
Fig. 223 .—Strychnos nux vomica —Flowering branch and seeds. (Sayre.) 
usually woody, often long climbing and rope-like ( Gelsemium ), usu¬ 
ally with a bicollateral bundle system. Leaves opposite, stipulate 
