OF THE TONGA OR FRIENDLY ISLANDS. 217 
Puate X. 
Flowering branch of Crossostylis Cominsii, Hemsl., natural size. 
Fig. 1. A flower; fig. 2, the same, with the sepals and petals and some of 
the stamens removed, showing the ovary in cross section; fig. 3, the 
top of the ovary and stylar column. All enlarged. 
Puats XI. 
Sararanga sinuosa, Hemsl. 
Fig. 1. Upper portion of a leaf, which Dr. Guppy describes as 4 inches broad 
in the lower part : natural size. 
2. Tip of the same, enlarged. 
3. Small portion of female inflorescence, which is 4 to 5 feet long: 
natural size. 
4. One of the ultimate branchlets of the inflorescence, or receptacles in 
which the female flowers are embedded, with biseriate mammz and 
sinuous inyolucre, x 3. 
5. The same in longitudinal section, x 8, showing some of the ovaries. 
6. A portion of the surface of one of the lobes, x 8. 
7. Across section of the same, some distance below the surface, showing 
the biseriate ovaries corresponding to the superficial mamme, about 
x 8. 
8. A vertical section, x 20, showing ovary and stigmatic tube. 
9. Another section, still further enlarged. 
10. Ovule, about x 40. 
LINN. JOURN.—BOTANY, VOL. XXX. R 
