r^S? TA"\. ra'BTACK.T:. 



11. OLDENLANDIA, Linn. 



Slender erect or diffuse di- tri-chotomously-branclied usually glabrous 

 lierbs. Leaves opposite, usually small, narrow ; stipules acute or bristly. 

 I'lowers small, white or pink, in dichotomous axillary and terminal 

 usually panicled cymes, ra'ely solifary. Calyx-tube turbinate, obovoid 

 or subglobose ; teeth 4 (rarely 5), usually erect and distant in fruit ; 

 sometimes with alternating teeth. Corolla rotate, infundibuliforni or 

 hypocrateriforin ; tube short or long ; lobes 4 (rarely 5), obtuse, valvate. 

 Stamens 4 (rarely 5), inserted in the throat of the corolla; filaments 

 short: anthers usually exserted. Ovary 2-celled ; ovules numerous, the 

 placentas attached to the septum ; style filiform ; stigmas 2, linear. 

 Capsule small, usually membranous, terete, didymous or angled, loculicidal 

 at top, rarely indehiscent, many-seeded. Seeds angled, globose or 

 ellipsoid ; testa not winged, smooth or pitted; embryo clavate in fleshy 

 albumen. — Listrib. Tropical and subtropical, chiefly Asiatic ; species 

 about 70. 



Corolla-tube short.. 



Peduncles 1-4-tlowered from the lower or all the axils. 



Leaves linear, not exceeding | in. broad ; bases of caljx- 

 teetli not touching in fruit. 

 Top of cnpsule flat, not protruded. 



Flowers pedicelled, usuallj' in pairs ]. 0. cori/mhosa. 



Flowers sessile or nearly so, solitary 2. O. difima. 



Top of capsule rounded, protruded 3. 0. herbacea. 



Leaves elliptic, exceeding ^ in. broad ; base of calyx-teeth 



ti ucliii g in fruit 4. 0. crijslaUina, 



Peduncles many-flowered, chiefly from the axils. 



Flowers in umbels ; pedicels very short .5. . unihcUata. 



Flowers in axillai-y clusters, sessile or nearly so ; capsule 



hairy G. 0. triiiercla. 



Flowers on long capillary pedicels or in slender panicles ; 



capsule minute, glabrous 7. 0. dkhotoma. 



Corolla-tube long. 

 Leaves whorled. 



Branches scabrid with whitish points ; capsule scabrid ... 8. 0. crape ra. 



Branches retrorsely hispid ; capsule glabrous 9. 0. rciruiva. 



Leaves opposite, not whorled. 



Corolla-tube ,\ in. long ; lobes obtuse; capsule obovoid... 10. 0. (/raciiis. 

 Corulla-tube J in. long; lobes acuminate ; capsule globose. 11. 0. sencgalemls, 



1 . Oldenlandia corymbosa, Linn. 8p. PL (1753) p. 11 0. Annual, 

 varyins from 3-15 in. high ; stems terete, numerous, slender, erect, 

 ascending or spreading, glabrous or pubescent. Leaves subsessile, 

 ■f-lf ^y th~¥ ^'^•' l'"6ar or linear-lanceolate, acute, often with recurved 

 and frequently scabrous margins ; stipules short, membranous, truncate, 

 uith a few siiort bristles. Flowers on filiform pedicels longer than the 

 calyx, usually 2-3 (rarely 1 or very rarely 4) on the top of a very slender 

 axillary solitary peduncle ; bract beneath the pedicels ttV^t^h ^^- long, 

 subulate. Calyx J^ in. long, pubescent ; teeth narrowly triangular, 

 about equalling the calyx-tube when in flower. Corolla white, -J^ in. long; 

 lobes acute, about r^^ in. long. Capsules globose or sometimes slightly 

 pyriform, somewhat didymous, the top rather flat and not protruded 

 bevond the calyx, glabrous. Seeds pale-brown, angular. Fl. B. I. v. 3, 

 p."r)4; Trim. Fl. Ceyl. v. 2, p. 314; K. Schum. in Engl. & Prantl, 

 Pflanzeuf. v. 4, part 4, p. 22, fig. 8, D-G ; AVoodr. in Journ. Bomb. 



