SANGUINARIA 



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FIG. 125. Sanguinaria. A, entire flowering plant: a, rhizome with long root- 

 lets; 6, one of the outer bud-scales; c, young leaf; d, the nearly complete 

 flower, in which the caducous sepals have fallen away. B, the separated 

 floral organs: a, sepal; b and c, different petals; d, stamens; e, pistil in differ- 

 ent views. C, diagram showing position of parts of the flower. D, 

 transverse section of rhizome: a, cork; 6, vascular bundle; c, cluster of 

 reddish secretion cells or laticiferous sacs in the middle cortical layer; d, 

 cambium of one of the collateral bundles; e, one of the numerous red latex 

 cells of pith. E, transverse section of a young root before any important 

 secondary changes have occurred: k, layer of epidermal cells; p, starch- 

 bearing parenchyma of cortex; a, laticiferous sacs; b, endodermis; c, 

 tracheae; d, pericambium layer, the cells of which are filled with very small 

 starch grains; e, leptome. F, longitudinal section through tracheal portion 

 of one of the vascular bundles of the rhizome: a, starch-bearing parenchyma; 

 6, scalariform tracheae. After Bastin, Amer. Jour. Pharm., 1895, p. 4. 



