42 LXXV, RUBIACEZ. (J. D. Hooker.) [ Dentella, 
Taursr IV. HEDYOTIDEJE. 
14, DENTELLA, Forst. 
A small weak prostrate annual or perennial-rooted herb. Leaves small; 
stipules connate, scarious. Flowers minute, solitary, axillary and in the forks, 
sessile or pedicelled, white. Calyx-tube globose; limb tubular, persistent. 
Corolla funnel-shaped, hairy within; lobes 5, 2-3-toothed, induplicate-valvate. 
Stamens 5, in the middle of the corolla-tube, filaments short; anthers linear. 
Ovary 2-celled ; style short, stigmas filiform; ovules numerous on hemispheric 
placentas. Fruit small, dry, globose, 2-celled, indehiscent, many-seeded, Seeds 
minute, angled, testa dotted. 
1, D. repens, Forst. Char. Gen. 26, t. 13; Roxb. Fl. Ind. i. 532; Wall, 
Cat. 6206; W. & A. Prodr. 405; Dalz. $ Gibs. Bomb. Fl. 115. Oldenlandia 
repens, Linn. Mant. 40. Hedyotis repens, Lam. IU. 1424, not of Don. Lip- 
paya telephioides, Endl. Atakt. t. 13. | 
In moist places throughout Bengal and eastward to Birma, and in both Peninsulas 
to Ceylon and Singapore.—Disrrie. Malayan Islands, N. Australia, Polynesia. 
A straggling weed, stems rooting at the joints. Leaves } in., obovate spathulate 
or elliptic, ciliate or glabrous. Flowers A in. Style cleft nearly to the base, Cap- 
sule d in. diam., hispid or glabrous. 
15. ARGOSTEMMA, Wall, 
Small delicate herbs. Leaves usually membranous, opposite, pairs very 
unequal, or falsely whorled; stipules entire, persistent or obsolete. Flowers 
white, in peduncled cymes or umbels. Caly.-tube short; lobes 5, rarely 3-7. 
Corolla rotate, 4-5-partite, valvate. Stamens 4-5, filaments short; anthers 
large, free, conniving or cohering, erect or declinate, dehiscing by 1-2 terminal 
pores, rarely longitudinally. Ovary 2-celled ; style filiform, stigma capitellate ; 
ovules very many on projecting placentas. Capsule coriaceous or membranous, 
2-celled, dehiscing at the apex or by an operculum. Seeds minute, angled or 
compressed, testa granulate or reticulate; embryo most minute, in dense fleshy 
albumen.—Disrris. Species about 40, all from subtropical Asiatic and Mala yan 
Mts., except one African (which is also Indian). 
* Leaves opposite or whorled, | 
+ Flowers 4-merous. i 
1, A. sarmentosum, Wall. in Roxb. Fl. Ind., ed. Carey & Wall. ii. 
324; Cat. 8396 ; leaves sessile or petioled opposite or in whorls of 4 orbidular 
elliptic or broadly obovate obtuse sparingly pubescent, umbels terminal, calyx 
pubescent, teeth ovate obtuse, anthers 4 free slender opening by pores. Benn, 
Pl. Rar. Jav. 95. Sonerila angustifolia, Wall. Cat. 4090. | 
SUBTROPICAL HiMALAYaAs, from Garwhal to Bhotan, alt. 2-5000 ft. Knaus Mrs., 
alt. 2-4000 ft., J. D. H. T. T. 
Stems 2 in. to a span, often with filiform very long simple or branched runners 
from buds below the leaves. Leaves 1-4 in., 4 in a whorl, or in 2 rarely more pairs, 
equal or more or less unequal or dissimilar. Umbels simple, 1- many-fld.; bracts 
ovate; pedicels }-} in., very stout. Flowers white, with a green eye, 1 in. dii. 
Calyx-lobes ovate. Corolla segments acuminate. | 
PLN courtallense, 4rn. in Ann. Nat. Hist. iii. 22; sparsely pubes- 
cent, leaves subsessile in whorls of 4 ovate or orbicular-ovate subacute or 
obtuse base contracted rounded or cordate, umbel terminal simple, calyx-teeth 
