64 LXXV. EDBiACEJi. (J. D. Hooker.) [Oldenlandia^ 



AirOItlALOnS SPECIES. 



67. K. andamanica, Kwz in J<mm. A). Soe. 1872, ii. 311 ; annual., 

 succulent, stems furfuraceous, short stout, leaves large sessile or short-petioled 

 oHong or ovate-oblong apiculate flat, stipules- bristly, cymes terminal 1-3 in. 

 long, peduncles erect, flowers subcapitate, calyx-teeth longer than the corolla- 

 tube and than the small didymous capsule. 



South Andaman and Nicobak Islands, Kwrz. 



Stems 4-6 in. high, ereet, simple or branched. Leaves 3-5 pair, 1-2J by J-IJ in.,, 

 membranous, quite glabrous. Fedimcles 1-2 in., slender, strict, erect, bearing 2-3" 

 small bracteate heads of eubsessile flowers. Calyx-tube short; teeth large, orate- 

 lanceolate, recurved. CoroKa funnel-shaped; tube broad and glabrous; mouth -with 

 a few hairs ; lobes linear. Stamens much exserted, anthers linear. Capsule with the 

 crown not protruded, gaping loculioidally. Seeds many in each cell, angular, smooth. 

 — Besembles an Oldenlandia near 0. nudioaulis, but the calyx -teeth are close together 

 in fruit, and the seeds, though not ripe, have no appearance of pitting ; the corolla,, 

 too, resembles that of Hedyotis, and the stamens have linear anthers. 



21. OZ.DEMX.A1TDXA, L. 



Slender erect or diffuse di-tri-chotomously branched herbs. Leaves usually 

 small and narrow ; stipules acute or bristly. Flowers small, white or pink, in 

 dichotomous axillary and terminal usually panicled cymes, rarely solitary. 

 Ccdyx-teeth 4, rarely 5, usually erect and distant in fruit, with sometimes alter^ 

 nating teeth. CoroUa rotate funnel- or salver-shaped, tube short or long ; 

 lobes 4, rarely 5, obtuse, valvate. Ovary 2-celled; style filiform, stigmas 2" 

 linear; ovules numerous, placentas attached to the septum. Capsule small, 

 usually membranous, terete didymous or angled, loculicidal at the top, rarely 

 indehiscent, many-seeded. Seeds angled or globose, testa not winged, smooth or- 

 pitted ; embryo clavate in fleshy albumen. — Distrib. Species about 70, tropical 

 and subtropical, chiefly Asiatic. 



StTBGEir. I. Euoldenlandia. Corolla-tube usually short, ovary terete^ 

 Capsule didymous. Seeds numerous, angled, testa smooth. — Herbs, difiuse or- 

 branching, usually very slender, stipules with bristles. 



* Peduncles \-Arfid.,from the lower or all the axils. 



1. O. corjrmbosa, JDinn. ; Hiei-n in Oliv. Fl. Trap. Afr. iii. 62; annual,. 

 slender, glabrous, rarely seaberulous, leaves linear or narrowly elliptic-lanceolate, 

 margins often recurved nerveless, peduncles solitary 1-4-flowered (rarely 2-nate- 

 1-2-flowered) and pedicels long capillary, calyx-teeth subulate rather shorter than 

 the corolla-tube, crown of capsule low. O. biflora, Lamk. {not of Linn.) ; Roxb. 

 Fl. Ind. i. 428. 0. ramosa, £oxb. I. c. 424. O. herbacea, DC. Prodr. v. 425- 

 {not of Linn.). O. scabrida, DC. I. c. 0. alsinifolia, G. Don Gen. Syst. iii. 

 529. Hedyotis Burmanniana, Sr. in Wall. Cat, 868, in part ; W. 8f A. Prodr. 

 415 ; Daz. 8r Gibs. Bomb. Fl. 116. H. biflora, Hoth Nov. sp. 92 ; Kurz in. 

 Journ. As. Soc. 1877, ii. 133. H. ramosa, JBl. Bijd. 973 (? Wt. Ic. t. 822). H.. 

 intermedia, W. Sf A. Prodr. 415. H. alsinsefolia, Br. in Wall. Cat. 873. H. 

 graminicola, Kurz in Trimen. Journ. Bot. 1875, 326. Gerontogea biflora,, 

 Cham, et Schl. in Linnma, iv. 155. — Rheede Hm-t. Mai. x. t. 38. 



An abundant weed throughout India, from the Punjab southward and east-ward 

 to Ceylon and Malacca. — Disteie. Tropical E. Asia to Java and the Philippines ; 

 Trop. Africa and America. 



Very variable, not always distinguishable from 0. diffusa and 0. Heynii. It 

 varies from a diminutive straggling herb, with branches 1-2 in., to an erect one a foot 

 and more high. Leaves from |-2 by ^-| in., erect spreading or recurved, sometimes.- 



