RTTBIACE^. 403 



5-merous; receptacle minute very shortly cupular. Sepals 5, 

 lanceolate. Corolla urceolate or sub rotate, tube short sometimes 

 ventricose, sometimes slightly contracted above ; lobes of limb 5, 

 short, valvate. Stamens 5, small, enclosed in tube ; filaments short ; 

 anthers ovately cordate. Germen adnate to receptacular cupule only 

 at base or to middle, remainder free, rather broad to apex, 2-celled ; 

 branches of short style 2, capitellate at stigmatose apex, finally open 

 or recurved. Placentas and ovules oo {oi Oldenlandia). Fruit cap- 

 sular almost entirely free, compressed contrary to septum, obcordate 

 or at apex truncate or broadly 2-lobed or sub-2-dymous ; cells 2, 

 divergent at apex and dehiscing inwards at margin. Seeds small, 

 globose, ovoid or compressed, tuberculate- or papillose-rugose ; 

 albumen fleshy ; cotyledons of linear embryo small. Other characters 

 of Oldenlaridia. — Annual or perennial herbs, erect or creeping at base ; 

 leaves opposite membranous ; petioles dilated at base to a membrane 

 connate with obtuse or little prominent stipules ; flowers in terminal 

 cymes ;^ cymes 2-parous or 1-parous above; flowers sessile or shortly 

 pedicellate, 1 -lateral.^ (Warm America, Asia and Oceania,^) 



134 PPolypremum L.-* — Flowers (nearly of Oldenlandia or Mitre- 

 ola) 5-merous or often 4-merous; receptacle shortly cupular. Sepals 

 ovate-lanceolate somewhat rigid. Corolla perigynous with and sub- 

 equal to calyx or shorter tubular subcampanulate ; throat slightly 

 villose or subglabrous ; lobes short obtuse, imbricate. Stamens 4, or 

 more rarely 5, inserted in tube of corolla enclosed; filaments short; 

 anthers ovate dorsifixed introrse, 2-rimose. Grermen adnate to 

 receptacle at base, above, in great part free, 2-celled ; style short, at 

 apex stigmatose obtuse entire or very shortly 2-lobed. Ovules oo, 

 inserted on an ascending placenta affixed to base of septum. Fruit 

 capsular, slightly compressed contrary to septum, finally locuHcidal 

 generally septicidal ; seeds oo, subglobose smooth albuminous; embryo 



1 Small, white (?). 349.— Hook. Icv>. t. 827, 828.— Pkog. Mart. Fl. 



2 A genus very near Oldenlandia and Oplnor- Bras. vi. 266, t. 71, 82, fig. ].— Walp. Mep. vi. 

 rhiza (of which perhaps a sect. ?), from which, 496. 



as from U-agoga GtBrtnera, it differs in its fruit * Act, Upsal. (1741) t. 78; Gtn. n. 137. — J. 



being subfree (i.e. smaller than cavity of recep- Gen. 122 {Scrofulariect); Ann. Mus. v. 2o6 ; 



tacle). Mem. Mm. vi. 382.— Immk. III. t. 71.— Gjibrtx. 



3 Spec. 3,4. L Spec. 2\S {Ojjhiorhiza).-:E,hh. Fruct. i. 294, t. 62.— LC. Prodr. iv. 434; ix. 

 Sketch, i. 238 {Ophiorrhiza). — Don, Gen. Syst. l'\ 560. — 1'okr. et Gr. Fl. N.-Awer. ii. 46.— 

 iv. 171.— Lamk. III. t. 107 {Ophiorrhiza).— Endl. Gn. n. 3241 — Bur. Zo^a/,. 61. -B. H. 

 Wight, Icon. t. 1600 — Benth. Fl. Austral, iv. Gen. ii. 791, n. 7. 



