Ottelia.] CXXV. HYDEOCHARIDE^. 1511 



2 lines broad, the others usually narrower. Ovary and fruit about the length of 

 the spathe. Outer perianth-segments green, oblong-lanceolate, 4 to 5 lines long ; 

 inner ones white, veined, under lin. diameter. Stamens 6 to 9. — L. 0. Rich, in- 

 Mem. Inst. Fr. 1811, t. 7 ; Stratiotes alisinoides, Linn. Spec. 754 ; Davmsonhim 

 indicitm, Willd. Sp. PI. ii. 276 ; Roxb. Corom. PL t. 185 ; Bofc. Mag. t. 1201. 



Hab.: Creeks in the neighbourhood of Kockhampton, Bowman, O'Shanesy, IJ'atson ;. 

 Kennedy District, Daintree. 

 The species is widely dispersed over East India. 



2. O. ovalifolia (leaves oval), L. C. Kick, in iJem. Inst. Fr. 1811, 78 ; BcntJi.. 

 Fl. Aiistr. vi. 257. Habit of O. alismuiths, but the leaf-lamina usually floating, 

 ovate or oblong, 2 to din. long when perfect, obtuse, rounded at the base and not 

 at all or scarcely cordate. Peduncles sometimes very short sometimes above 1ft. 

 long, varying probably according to the depth of the water. Spathe almost 

 coriaceous, about IJin. long, either quite smooth or with 2 or 3 slightly prominent 

 longitudinal nerves, but not winged. Outer perianth-segments green, f to lin. 

 long ; inner ones pale yellow, 1| to 2in. diameter in the only perfect specimens. 

 examined. Stamens 9 to 15. — Damasomum ovaUfolium, E. Br. Prod. 3i4 ; 

 D, cygnorum, Planch, in Ann. Sc. Nat. ser. 3, xi. 82. 



Hab.: Kockhampton, Bowman, Thozet ; Mount Elliott, Fitzalan ; Brisbane Eiver. 



6. ENHALUS, Rich. 



Male flowers many, minute, enclosed in a short compressed, subsessile, 2-leaved'. 

 spathe, at length escaping and floating ; segments of perianth broadly elliptic ; 

 stamens 3, anthers subsessile, oblong ; pistillode none. Female flowers much 

 larger, solitary, sessile in a long spathe, scape spiral ; outer segments oblong,, 

 imbricate ; inner ones longer, linear, subvalvate, wrinkled. Starainodes none ; 

 ovary ovoid with 6 papillose ridges, long-beaked, almost 6-eelled ; styles 6,. 

 bipartite, branches slender, fimbriate ; ovules few on each placenta, anatropous. 

 Fruit ovoid, beaked, indehiscent, deliquescent, spathe persistent, placentas nearly 

 meeting in the centre, spongy. Seeds few, large, conoid, testa mucilaginous ;■ 

 plumula many-leaved. — A submerged marine moncecious or dioecious herb ;, 

 rootstock crinite with the remains of old leaves. Leaves narrowly linear, 

 enclosed in twos or threes in a basal sheath. — Hook, in Fl. Brit. Ind. v. 663. 



1. E. Kcenigii (after — . Koenig), Pdch. in Mem. Inst.; Fl. Brit. Ind. v. 663> 

 " Wa-pan,!' Cape Bedford, Fi.oth. Rootstock extensively creeping in sand. 

 Leaves 2 to 3 feet long by -|- to fin. wide, margins thickened, tip rounded 

 denticulate. Spathes 2in. long, strigose. Ovary with papillose margins. Fruit 

 raised to the surface for ripening. — Grift'. Ic. PL Asiat. t. 249 and 250 ; Rumph. 

 Herb. Amboin. vi. 191, t. 76, f. 2. 



Hab : Cape Bedford, Roth. A shore plant of the Malay Peninsula, Ceylon and other parts. 

 Frviit, after being roasted, eaten. — Roth. 



7. HALOPHILA, Thou. 



(From being found in the sea.) 



Flowers unisexual, solitary within a pair of herbaceous bracts. Male flower : 

 ■Perianth of 3 segments. Anthers 3, sessile, alternating with the segments: 

 erect, 2-celled, the cells opening outwards ; pollen confervoid. Female flower : 

 Perianth none. Ovary single, tapering into a filiform style with a short stigma 

 either entire or divided into 3 to 5 filiform segments. Ovules several, erect, 

 attached to the sides of the cavity. Fruit membranous, opening irregularly. 

 Seeds nearly globular, with a thin testa, rather loose. Embryo erect with a thick 

 radicular base nearly the shape of the seed, with a distinct plumula and an 

 involute or spiral cotyledonous end both nearly immersed in a terminal groove 



