EXPLANATION OF THE PLATES. 



PLATE XL DRYOPETALON RUNCINATUM, p. 12. 



Fig 1. A flower, enlarged. 



" 2. A sepal, enlarged, seen from within. 



" 3. A petal, enlarged. 



" 4. The stamens and pistil, with the receptacle, equally enlarged. 



" 5. A mature silique, cut across, enlarged. 



" 6. Base of a dehiscent silique, more magnified, showing the seeds in place. 



" 7. A seed, more magnified, transversely divided. 



PLATE XII. A. AMOREUXIA SCHIEDEANA, Planch, (non PI. 3), p. 26. 



A fruit, of the natural size. 



A seed from the same, magnified. 



The same, with the thin and fragile external integument, or testa, removed. 



Longitudinal section of the seed, magnified, showing the homotropous emhryo, &c. 



Embryo detached, and more magnified. 



PLATE XII. B. GLOSSOPETALON SPINESCENS, p. 29. 



Fig. L Diagram of the flower. 



" 2. A flower, enlarged. 



" 3. Inside, and 4, outside view of a stamen, more enlarged. 



" 5. The pistil, more magnified. 



" 6. Vertical section of a flower through the ovary, showing the ovules, &c., magnified. 



" 7. The fruit, with the persistent calyx, enlarged. 



" 8. Vertical section of the same, showing the seed. 



" 9. The seed with its carunculate arillus, magnified. 



" 10. Transverse section of the same. 



PLATE XIII. PSATHYROTES SCAPOSA, p. 100. 



Fig. 1. A separate flower, magnified. 



" 2. The corolla laid open, and the stamens, magnified. 



" 3. A stamen, more magnified. 



" 4. The style, equally magnified. 



