XIII. ELATINACE.E. 
53 
Elatinc.~\ 
we therefore avail ourselves of those given by Mr. Babington, in the 
Ann. N. H. April 1853, p. 270. The var. o. is what we alluded to 
in the sixth edition as P. umara of most continental botanists, 
Ord. XII. FRANKENIACEiE St. HU. 
Sepals 4 — 5, combined into a furrowed persistent tube. 
Petals 4 — 5, clawed, crowned at the mouth. Stamens as many 
as the petals and alternating with them, with usually 1 — 2 ac- 
cessary ones opposite to the petals. Ovary 1. Style filiform, 
2 — 3-cleft. Capsule 2 — 4-valved, L-celled. Seeds minute, at- 
tached to the margins of the valves. Embryo straight, within the 
albumen. — Herbaceous or suffruticose, much branched. Leaves 
opposite , without stipules , but with a membranous sheathing base. 
1. Frankenia Linn. Sea-Heath. 
Slig. 3. — Named from John Franken, a Swedish botanist and 
professor of medicine at Upsal, who died in 1661. 
1. F. Ice'vis L. ( smooths .); leaves linear revolute at the 
margin glabrous ciliated at the base. E. B. t. 205. 
Muddy salt marshes about Yarmouth and the other eastern coasts 
of England. Isle of Sheppey, Kent. 2/.. 7,8. — A humble procum- 
bent plant, with wiry stems and numerous fascicled leaves, which arc 
really oblong, and only appear linear by the edges being revolute. 
Flowers pale rose-coloured, terminal or from the axils of the branches. 
2. F. *pulverulenta L. ( powdery S.) ; leaves obovate retuse 
glabrous above, downy and pulverulent beneath, petiole ciliated. 
E. B. t. 2222. 
Found in the time of Dillenius and Hudson on the sea-coast of 
Sussex. ©. 7. — Stems prostrate, repeatedly dichotomous. Flowers 
smaller than in the preceding. 
Ord. XIII. ELATINACEiE Camb. 
Calyx 3 — 5-partite or -cleft. Petals 3 — 5, sessile. Stamens 
equal to, or double the number of, petals. Ovary with from 
3 — 5 cells and as many styles and capitate stigmas. Capsule 
3 — 5-celled, 3 — 5-valved ; valves alternate with the dissepiments 
which adhere to a central axis. Seeds numerous, without 
albumen ; radicle turned to the hilum. — Small annuals, in- 
habiting marshy places , with rooting stems and opposite or verti- 
cillate leaves. 
1. Elati'ne Linn. Water-wort. 
Cal. inferior, 3 — 4-partite or -cleft, persistent, Pet. 3—4. 
Styles 3 or 4, very short. Caps. 3 — 4-valved 3 — 4-celled. 
D 3 
