CHILE AND ITS ADJACENT REGIONS. 109 
PLATE XXVII. 
A plant of PHELLODERMA CUNEATO-OVATA, of the natural size. 
Fig. 1. A flower, with its bract: magnified. 
Fig. 2. The bract, separately. 
Fig. 3. The calyx. 
Fig. 4. The corolla cut open, showing the position of the didynamous stamens with the fifth sterile fila- 
ment. 
Fig. 5. The pistil: all magnified on the same scale. 
Fig. 6. Two of the stamens, seen in front and sideway : more magnified. 
Fig. 7. A transverse section of the ovary at the maturity of the flower: magnified. 
Fig. 8. A fruit, invested by the persistent calyx. 
Fig. 9. The same, with the calyx removed : both nat. size. 
Fig. 10. The same: magnified. 
Fig. 11. A transverse section of the same, showing the two nucules, with the vacant space between them 
formed by the central columella. 
Fig. 12. A transverse section of one of the nucules. 
Fig. 13. A transverse section of the tubular membranaceous columella adhering to the nucules. 
Fig. 14. One of the nucules, seen on its ventral face, surrounded by its pith-like mesoderm. 
Fig. 15. A longitudinal section of the same, showing its two cells, with the basal channels leading into 
them. 
Fig. 16. A cross longitudinal section of the same, through one of the cells, showing the basal channel 
leading into it, for the passage of the cord of nourishing vessels proceeding from the central 
placentary columella. ic 
Fig. 17. A seed extracted, seen on its inner face, with its raphe and chalaza. 
Fig. 18. The same, seen on its inner edge, showing the ascending raphe in continuation with the cord 
of nourishing vessels. 
Fig. 19. The same deprived of its outer integument. 
Fig. 20. The embryo, seen on its face. 
Fig. 21. The same, seen on one side : all magnified on the same scale. 
Prate XXVIII. 
The upper portion of a plant of DrosrEA JUNCEA, of the natural size. 
Fig. 1. A flower: nat. size. 
Fig. 2. A bract: magnified. 
Fig. 3. The calyx and bract. 
Fig. 4. The calyx, separated. 
Fig. 5. The corolla, separated. 
Fig. 6. The same, cut open on the posterior side, to show the position of the stamens. 
Fig. 7. The pistil: all magnified on the same scale. 
Fig. 8. The stamens: more magnified. 
Fig. 9. A transverse section of the ovary, at an early stage. 
Fig. 10. The same, at the maturity of the flower: both magnified. 
Fig. 11. A fruit, enclosed in its persistent calyx: naf. size. 
Fig. 12. The same : magnified. 
Fig. 13. The same, with the calyx removed. 
