MOUNT KOKWAIA IN BRITISH GUIANA. ]f)3 



KXI'LA NATION OF THE PLATES. 



Plate l. 



Ilex apicidens. (Figs. 1 to 6.) 



Figs. 1 & 2. Branches with las and dense inflorescences, natural size. 

 Fig. 3. Flower, x I. 



4. Flower with petals and stamens removed, x 4. 



5. Stamen, dorsal view, x 4. 

 (5. Stamen, front view, x 4. 



CyriUa brevifolia. (Figs. 7 to 16.) 

 Figs. 7 & 8. Two branches, natural size. 

 Fig. 9. Fragment of a raceme with one flower, x 5. 



10. Sepal, seen from within, x 7. 



11. Petal, seen from within, X 7. 



12. Stamens, front and side views, x 7. 



13. Flower, with the outer parts removed to show the ovary, x 7. 



14. A trifid stigma, x 7. 



15. Ovary, longitudinal section, x 12. 



16. Ovaries, transverse sections, x 12. The ridges on the ovaries may be due to shrinkage, but 



they are represented as seen after long boiling. 



Plate 2. 



Macairea aspera. 

 Fig. 1. Branch, natural size. 



2. Fragment of leaf, upper surface, x 4. 



3. Flower, with the petals and six stamens removed, x 5. 



4. Petal, X 5. 



5. Transverse section through the calyx-tube and ovary, x 5. 



Figs. 6 S: 7. Long and short stamens from another specimen (no. 24, McConnell \ Queich), X 5. 



Plate 3. 



Passiflora Quelchii. 

 Fig. 1. Branch, natural size. 



2. Inflorescence, natural size. 



3. Longitudinal section of a flower, x 2. 



4. Filament of the lower corona, X 5. 



