CLASSIFICATION OF ANGIOSPERMS. 



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Fig. 170. Cicuia maculata (Water Hemlock): A, upper part of stem with leaves and 

 compound umbels; B, base of the stem and the thick tuberous roots; C, cross-section of 

 stem showing part of a mestome strand and the pith with three oil-ducts (a), vessels (v), 

 libriform (St), pith (p); D, a flower showing petals with long inflexed apex and the five 

 stamens inserted on the disk that crowns the ovary; E. the fruit; F, fruit in longitudinal 

 section showing the two ovules; G, cross-section of a mericarp showing the six vittse or oil- 

 tubes. After Holm. 



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