174 PALMACE. 
8. JEstivation a, a, a outer sepals. 
9. Male flower bud. 
10. Same, one sepal removed the rest opened out. 
11. Collum. 
12. JEstivation, of 9, a, a, a outer sepals. 
13. Male flower after expansion. 
14. Collum of the same. 
15. Transverse section of collum. 
16. Oblique vertical view of anthers, shews that the collum 
does not extend as far as the cells. 
17. Collum: after dehiscens, the anthers are seen to be 3, 
and separate at the apex. 
18. Pollen. 
19, Transverse section of the collum and anthers. 
20. Same with perianth segments. 
21. Partiis sitis et alternatio. 
Nipa fruticans. Pl. CCLVV. 
]. Female capitulus, about the time of impregnation. 
2, 2. Scales or segments of the perianth, which occur round 
each group of Pistilla. 
3a. Pistilla, 3. Long section of ditto. 
4. Do. long section. 
5. Transverse section of the ovary, just above the ovulum. 
6. Ovula. 
7. Do. Long section. 
8. Nucleus of do. (Inner tegum. not now distinct.) 
9. Long section of fruit; 5, 6 mesocarp, dense and cartila- 
gino-corneous ; €, С. loose cellular fibrous endocarp; d, 
d tegumen of the seed ; e, e albumen with its cavity; 
f embryo. 
10. Seed detached, its coat is loosely farinaceo-cellular, and - 
vascular, but is here concealed by the adhesion of the 
inner layer of endocarp. 
11. Seed : endocarp rubbed off, this shews the raphe, its ra- 
mification, and the hilum at 5, and the direction of the 
radicle at а, and the cochlear concavity of one face. 
