ANHALUS. : 175 
12. Long section of the seed, the endocarp not being rubbed 
off; a the cavity of the albumen; 6 radicle; c albu- 
men; d tegumen : e endocarp layer. 
13. Seed : coat removed, shews the cavity of the cochlear of 
surface and radicle at a. 
14. Base of Do. viewed vertically. 
15. Embryo, 16. Do. Oblique view of radicular end. 
17. Section of do. 
Oss. Nipa is the only rhizomatous form of Palm known 
to me; its rhizomata are perfectly gigantic, 14 feet in dia- 
meter, and from the lower face throwing out innumerable 
roots, and from its vegetating apex, several systems of branches, 
all imbricated with the great cellular sheathing bases of the 
petioles. 
When thrown ashore, it looks more like some huge marine 
Cephalopode than a plant. 
HYDROCHARACE.E. 
EsNHALUSs. 
- Enhalus, Pi. COXLIX. Fig. 1. CCL. 
Planta pelagica ? dioica. 
Folia lineari-loriformia longissima plana, marginibus incras- 
satis et involutis folii apice excepto praesertim basin versus qua 
amplectentia intra sunt 1-3 uncis lata,apice rotundata, et den- 
ticulata longitudinaliter venosa, venulis transversis hinc illinc 
superadditi s. 
Owing to their disposition they are all parallel, one with the 
other. Brown linear oblong or round bodies occur towards 
the apex of the leaf chiefly, especially the linear ones extend 
with the longitudinal veins. The leaf consists of one series 
of chambers: the septa venigerous, there is a central larger 
vein, and one in the thickened margin still larger, this is some- 
times permanent, with the shape of a hair-like bristle. Aper- 
tam nondum vidi. 
