MOUNT RORAIMA IN BRITISH GUIANA, 108 
EXPLANATION OF THE PLATES. 
PLATE 1. 
Ilex apicidens. (Figs. 1 to 6.) 
Figs. 1 & 2. Branches with lax and dense inflorescences, natural size. 
Fig. 3. Flower, x 4. 
+ 
- 
H 
. Flower with petals and stamens removed, x 4. 
. Stamen, dorsal view, x 4. 
6. Stamen, front view, x 4. 
Cyrilla brevifolia. (Figs. 7 to 16.) 
Figs. 7 & 8. Two branches, natural size. 
Fig. 9. Fragment of a raceme with one flower, x 5. 
10. 
at, 
13. 
13. 
14. 
15. 
16. 
Fig. 1 
3 
4 
5 
Sepal, seen from within, x 7. 
Petal, seen from within, x 7. 
Stamens, front and side views, x 7. 
Flower, with the outer parts removed to show the ovary, x 7. 
A trifid stigma, x 7. 
Ovary, longitudinal section, x 12. 
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. 
. Branch, natural size. 
. Fragment of leaf, upper surface, x 4. 
. Flower, with the petals and six stamens removed, x 5. 
. Petal, x 5. 
- Transverse section through the calyx-tube and ovary, x 5. 
Figs. 6 & 7. Long and short stamens from another specimen (no. 24, McConnell & Queich), x 5. 
Fig. 1. Branch, natural size. 
PLATE 3. 
Passiflora Quelchii. 
2. Inflorescence, natural size. 
3. Longitudinal section of a flower, x 2. 
4. Filament of the lower corona, x 5. 
