DR. O. STAPF ON SARARANGA ’ SINUOSA, 489 
EXPLANATION OF PLATES. 
Pirate IV. 
Top branch of tree, showing leaves and inflorescence, from a photograph by 
Lieutenants Somerville and Weigall. 
Prate V. 
Figs. 1 and 2. Female flower in front and back view. 
Fig. 3. Flower, vertical section passing through two opposite ovary cells. 
4. 
®5. 
Pollen found on a gynecium of Sararanga sinuosa. 
Pollen of Pandanus fasciculatus (for comparison). 
Figs. 6—8. Ripe fruit, from different sides. 
Fig. 9. 
10. 
11. 
12. 
13. 
14, 
15. 
16. 
17. 
Fig. 24. 
25. 
26. 
27. 
28. 
29. 
30. 
Ripe fruit, vertical section passing through two opposite pyrenes. 
Part of a young fruit, cross section. 
The same, vertical section parallel to the stigma row. 
Stigmas and stigma scars (s) and sutural pores (p). 
Mouth of sutural pore. 
Part of the perianth (r : raphid cells). 
Epidermis of the perianth with stoma (g : guard cells). 
Stigma, vertical section. 
Papille of the stigma. 
Prate VI. 
. Vertical section through a carpel (st : stigma; p: base of a pore, 
the channel being behind the optical section; vb: vascular- 
bundles; e : young endocarp . r : raphid cell). 
. Vertical section through a pore, at a right angle to the stigma row. 
. Part of vascular bundle. 
. End of the vascular bundle below the stigma. 
. Ovule. 
. Cross section through several collateral carpels. 
Prate VII. 
Sutural pore, longitudinal section (e : epithelium ; ct : conductive 
tissue ?). 
Epidermis cells (outer wall and cuticle) from the mouth of pore. 
Epithelium at the base of the pore, top view. 
Longitudinal section through seed, passing through the crest 
(e : embryo). 
Cross section through seed. 
Embryo. 
Albumen (a : aleurone grains in oil; ¢ : crystalloids, laid free by 
the dissolution of the aleuron). 
