554 335. Portula. 52. SALICARIJE. 
PL ex. cal . 
Bogs and damp heaths; annual ; July and August. 
Stem prostrate, simple; leaves opposite, blunt, bald; 
jiowers sessile. 
Faiii. XVIII. 53. TAMARICIN^E. Tamariscinece 9 
Desvaux. 
Calyx free, divided at the tip, persistent ; petals 5, on 
the calyx, alternating with the calyx-lobes ; stamens 5 to 
10, free or monadelphious; ovary free, 1 -celled, 3-valved ; 
placentarium parietal ; ovules many, erect or ascending ; 
seeds many, comose; perisperm 0; corculum straight, up- 
right; radicle below. 
336. TAMARIX. Pliny. Tamarisk, 
Calyx 5-parted ; petals 5 ; stamens 5 ; filaments thread- 
shape, distinct ; style short, 3-lobed ; stigmata 3, oblique, 
2-furrowed ; ovules upright. — Leaves imbricate, rather 
fleshy ; Jiowers spiked, lateral, bracteated ; bracteee lanceo- 
late. 
Tamarix Gallica. French tamarisk. 
Leaves lanceolate, embracing the stem, imbricate. 
Tamariscus Narbonensis, Ger.em. 1378,1. 
Tamariscus folio tenuiore, Park. 1479; description. 
Mvrica seu Tamariscus, Park. 1472, 1 ; figure. 
Rocks and pastures near the sea; shrubby ; July. 
Twigs drooping, red, shining; leaves smooth; Jiowers 
flesh-coloured. 
Fam. XIX. 54. CERATOPHYLLiE. 
Flowers unisexual; calyx many-parted, free; corolla 0. 
— Male. Stamens 14 to 20; anthers 3-cuspidate. — Fem. 
Ovary free, compressed, 1 -celled ; Stigma sessile, oblique ; 
nut 1 -celled, 1 -seeded, leatherlike; seed pendulous; peri- 
sperm 0 ; corculum straight ; cotyledons 4, 2 larger, op- 
posite; radicle above; plumula conspicuous, very compound. 
— Plant herbaceous, aquatic ; leaves in whirls, Jobed ; 
Jiowers axillary, solitary. 
337. CERATOPHYLLUM. Linnaeus. Hornwort, 
No other genus in this family. 
1. Ceratophyllum cornutum . Horned hornwort. 
Leaves two-forked, two-paired ; fruits 3-spined, 
7 
