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,r\/*> - National Science Foundation

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MEDICINAL PLANTS<br />

80<br />

Fro. 137. Xanthium st'rumarium. A, branch, fl, a group of 2 female flowers. C, longitudinal<br />

section showing' the ovaries and fused bracts of the utricle. D, group of bisexual flowers. IS.<br />

longitudinal section showing the receptacle and bracteoles. F, bisexual flower with corolla<br />

opened out showing the stamen tube. G, bisexual flower with corolla removed and stamen<br />

tube showing the style. H, fruit. I, stra» erse section of fruit.

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