OLDBNLA.NDIA.] 



BUBIACE^. 



4.13 



membranous, terete didymons or angled, loculicidal at the top, rarely 

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

 smooth or pitted ; embryo clavate, in fleshy endosperm.— Specie* 

 about 80, tiopical and subtropical, chiefly Asiatic. 

 Seeds angled, smooth. 

 Corolla-tube short. 



Pedancles from the lower or from all the 

 axils, 1-1-flowered. 



Leaves usually linear, cal-teeth in fruit 

 distant. 



Glabrous or scabrid, pedicels usually 

 2-3 flow^ered 1. 0. corymhosa. 



Always glabrous, flowers solitary, ses- 

 sile or nearly so . . . . 2. 0. diffusa. 



Leaves elliptic, flat, cal-teeth in fruit 

 contiguous 3. 0. crystallina,^ 



Peduncles axillary and in open terminal 

 panicled cymes. 



Stem sharply angled, capsules broadly 

 didymous 4. 0. hrachiata. 



Stem terete or obscurely 4-angled, pedi- 

 cels long and very slender, flowers and 

 globose capsules minute . . . 5. 0. dichotoma^ 

 Corolla tube long. 



Leaves in fascicled whcrls, revolute, flowers 

 pale blue 6. 0. asjpera. 



Leaves not in fascicles, flat ; flowers 

 brownish .7. 0. gracilis. 



Seeds subglobose, coarsely pitted, cor-tube 

 short. 



Leaves all opposite . • . • , 8. 0. ;paniculata. 



Upper leaves in whorls of four . • . 9. 0. nudicaulis. 



1, O. corymliosa, Linn. 8p. PI. 119 ; F. B. I. Hi, 64 ; Watt E. D. ; 

 Collett Fl. Siml. 230 ; Cooke Fl. Bomh, i, 588. O. biflora, LamTc. {not of 

 Linn.) ; Boxh. Fl. Ind. i, 423. 0. ramosa, Boxh. I. c, 424. Hedyotis Bur- 

 manniaua, B. Br. ; W, ^ A, Prod. 415. H. intermedia, W. Sf A, Prod, 

 415. — Vern. Daman-papar. 



A slender herb up to 1 ft. or more high, but often diminutive and strag- 

 gling. Leaves sessile, 1-2 in. long, linear or linear-lanceolate, erect or 

 spreading; margins scabrous and often revolute ; stijpules short, mem- 

 branous, dentate or gristly. Peduncles axillary, solitary, slender. 



