380 (— TETRANDRIA SIOXOdYNIA. Hy drophylas. 
sule ovate, chartaceous, bursting at the apex in two bifid slightly 
recurved valves. Dissepinent evanescent. Seeds two, linear, with 
a ventral furrow. 
Obs. The description of Crateogonum (amboinicum) minus s.ve- 
rum, Hort. Amb. vi. p. 25 agrees well with this plant; but it 
has been quoted under Spermacoce stricta of the younger Linneus, 
which differs in having lanceolate lineate leaves and a branchy stem. 
‘The same plant has been cited by Sir J. E. Smith under his Hedy- 
otis verlicillata (Oldenlandia, Linn. Munt.) in Rees’s Cyclopedia, 
On these grouuds I conclude that Rumphius's plaut is different from 
mine, which approaches to S. /inifolia, Vahl, and remota, Lam.—S. 
«ana of Roxburgh differs in being smooth on all its parts, and in 
having petioled leaves.—N. W. 
HYDROPHYLAX. Schreb. Gen. N. 159. 
| Calyx four-parted ; corol companulate. Germ two-celled, one 
seeded, inferior. Capsule inferior, angular, two-celled. Seed soli- 
tary ; embryo erect, and furnished with a perisperm. - 
3. H. maritima. Linn. Sp. Pl. ed. Willd. i. 581. 
Sarissus anceps. Gert. carp. i. p. 118. 4. 25. f. 4. 
Diodia orientalis. Kön. Mss. 
A native of the sand hills along the shores of Coromandel and. 
Malabar, where it is in blossom most part of the year. 
—. Root perennial.— Stem none, but many long, slender, variously 
bent, stragling, round, coloured branches running over the sand and 
often striking root from the joints.— Leaves opposite, approximate, 
short-petioled, froma deep, stem-clasping, dentate cup.— Flowers za 
illary, sub-sessile, one or two together, of a pale pink colour.—Calyt 
above, four-parted ; divisions ensiform, permanent.—-Corol compant= 
late, tube hairy on the inside near the bottom, the four divisions of the 
border ovate, spreading, with their apices somewhat revolute —Fi- . 
laments four, erect, shorter than the corol, and inserted on the mouth 
of its tube, opposite to its fissures. Anthers purple.— Germ onions: 
