42 LXXV. EUBIACEJ3. (J. D. Hooker.) 



TRIBE IV. HEDYOTIDEJE. 

 14. DENTELLA, JFbrrf. 



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. Seech 

 minute, angled, testa dotted. 



1. D. repens, Forst. Char. Gen. 26, t. 13 j Roxl. Fl. Ind. i. 532; Wall. 

 Cat. 6206 ; W. $ A. Prodr. 405 ; Dalz. $ Gibs. JBomb. Fl. 115. Oldenlandia 

 repens, Linn. Mant. 40. Hedyotis repens, Lam. III. 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. DISTRIB. Malayan Islands, N. Australia, Polynesia. 



A straggling weed, stems rooting at the joints. Leaves % in., obovate spathulate 

 or elliptic, ciliate or glabrous. Flowers ^ in. Style cleft nearly to the base. Cap- 

 side in. diam., hispid or glabrous. 



15. ARGOSTETCBXA, 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. Calyx-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. DISTRIB. Species about 40, all from subtropical Asiatic and Malayan 

 Mts., except one African (which is also Indian). 



* Leaves opposite or whorled. 

 f Flowers 4^merous. 



1. A. sarmentosum, Wall, in Eoxb. Fl. Ind., ed. Carey 8f Wall. ii. 

 324 ; Cat. 8396 ; leaves sessile or petioled opposite or in whorls of 4 orbicular 

 elliptic or broadly obovate obtuse sparingly pubescent, umbels terminal, calyx 

 pubescent, teeth ovate obtuse, anthers 4 free slender opening by pores. JBenn. 

 PI. Rar. Jav. 95. Sonerila angustifolia, Wall. Cat. 4090. 



SUBTROPICAL HIMALAYAS, from Garwhal to Bhotan, alt. 2-5000 ft. KHASIA MTS.,. 

 alt. 2-4000 ft., J. J). 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 jj in., very stout. Flowers white, with a green eye, f in. diam. 

 Calyx-lobes ovate. Corolla segments acuminate. 



2. A. courtallense, Arn. 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 



