28 LXXXIX. BORAGINEZ (BAKER AND WRIGHT). [ Rhabdia. 
4, enclosed in a membranous pericarp and thin pulp. Seed oblong ; 
albumen scanty ; embryo straight; cotyledons ovate, not plicate. 
A single species, cosmopolitan in the tropics. 
1. R. lycioides, Mart. Nov. Gen. et Sp. Pl. ii. 187,%.195. A 
much-branched shrub, 3-6 ft. high; branchlets stiff, slender, hispid. 
Leaves oblanceolate-oblong, 1-1} in. long, obtuse, entire, subcoriaceous, 
hispid, 1-14 in. long. Flowers in sparse corymbs on short lateral 
branchlets. Calyx about 2 lin. long. Corolla twice as long as the 
calyx; lobes rather longer than the tube. Stamens half as long as the 
corolla. Drupe the size of a pea, glabrous, yellow or red-brown.— DC. 
Prodr. ix. 512; Fres. in Mart. Fi. Bras. viii. i. 58, t. 9, fig. 11; C. B. 
Clarke in Hook. f. Fl. Brit. Ind. iv. 145. R. viminea, Dalz. ex Hook. 
Te. t. 823. Hhrhetia cuneata, Wight, Ic. t. 1885. Rotula aquatica, Lour. 
Pt Coch. ¥21; DO, Prodr. rx. 5381: 
Upper Guinea. Senegambia: Mbidjem, Thierry, 217! and without precise 
locality, Heudelot, 116! Lagos : Yoruba, on the banks of streams, Barter, 1143 ! Sierra 
Leone : on rocks in the bed of the Niger at Farana, Scott-Elliot, 5339! by rivers 
on the way to Kukuna, Scott-Elliot, 4718! 
Also in Tropical Asia and Brazil. 
4, COLDENTA, Linn.; Benth. et Hook. f. Gen. Pl. ii, 841. 
Calyx deeply 4—5-lobed. Corolla-tube short, naked or with 4-5 
seales in the throat; lobes 4-5, oblong, patent, imbricate. Stamens 
4—5, included in the corolla-tube; filaments very short ; anthers ovate. 
Ovary ovoid, 4-lobed, 4-celled, rarely 2-lobed. Styles 2, distinct from 
the base or slightly united below, subulate ; stigmas capitate; ovules 
pendulous. Fruit dry or slightly succulent, separating into 4 1-seeded 
pyrenes ; seeds with a very thin albumen ; cotyledons broad, flat ; 
radicle short, straight or curved.—Much-branched diffuse herbs. 
Leaves alternate, entire, dentate or lobed, often crisped or plicate. 
Flowers solitary in the axils of the leaves or the upper in secund leafy 
spikes, sessile or shortly pedicelled. 
Species 10, all the others Western American. 
1. ©. procumbens, Linn. Sp. Pl. ed. i. 125. An annual herb; 
stems many, quite procumbent, hairy, radiating from the crown of the 
root. Leaves oblong, obtuse, deeply crenate, hairy on both sides, very 
plicate, cuneate at the base, shortly petioled, the lower 1 in. long, the 
upper often much smaller. Flowers solitary, nearly sessile in the axils 
of the leaves, the upper in leafy spikes. Calyx hairy, 14 lin. long; 
segments 4, ovate-lanceolate. Corolla a little longer than the calyx, 
4-lobed. Fruit mitre-like, depressed-globose, 2 lin. in diam., brown, 
glandular-hairy, irregularly asperous, laterally 4-lobed.— Lam. IIl. t. 89; 
Benth. Fl. Austral. iv. 391; C. B. Clarke in Hook. f. Fl. Brit. Ind. iv. 
144; Oliver in Trans, Linn. Soc. xxix. 114; Hiern in Cat. Afr. PI. 
