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11. The Barberry Tribe. — I. A twig of the common Barberry 

 ( Berberis vulgaris), with a spine-like leaf at a ; at 6 is a line 

 showing where the leaf is jointed with its petiole ; natural size. — 2. A 

 full-blown flower, magnified, showing the three inner sepals a, the six 

 petals, each with a pair of parallel glands b at the base, the six stamens, 

 and the central superior ovary ; the outer sepals are too small to be 

 seen in this direction, but they are visible upon the flowers in fig. I. — 

 3. A magnified view of tlie ovary, deprived of the floral envelopes, 

 and shewing the origin of the six stamens. — 4. The upper end of a 

 stamen, magnified ; at a is seen the singular mode in which the anther 

 bursts by recurved valves. — 5. A vertical section of the ovary, much 

 magnified ; the two erect ovules, and the open communication between 

 the stigma and the cavity of the ovary, are plainly shewn. — 6. A 

 bunch of fruit, natural size. — 7. One of the seeds, magnified. — 8. A 

 section of the same, shewing the dicotyledonous embryo standing erect 

 in the midst of the albumen. 



