268 



terminaleir» v. oppositifoHam pediiiiculatam, cylindricam dense con- 

 fertis, singulis bractea tripartita stipatis; cahjcis tubo obconico cum 

 germine connato, limbi quinquepartiti, persistentis lobis carinatis, 

 conniAentibus; coroUa supera, brevissime tubulosa, quinquepartita, 

 lobis inflexis basi subauriculatis; slaminibits quinque in coroilae sinu- 

 bus sessilibus; germine infero biloculari; stylo brevissimo, stigmate 

 bilobo; crtTJS///^ membranacea , biloculari, operculo circnmscissa; se- 

 7/«>«7>MS innumeris, trophospermiis e dissepimenti apice deorsum por- 

 rectis, cylindricis affixis; emhryone \\\ axi albuminis carnosi parci 

 orthotropo. 



Genus unicum. 



3092. Pongafium J^?/.9S. Rapinia Zowr. 



Sphenoclea Giirtn. Pongati Rheede. 



Gaertnera Retz. 



Ordo CXXVI. Stylideae. 



Herbae annuae v. perennes, interdum suifrutescentes, succo 

 aqueo, caulibus saepe abbreviatis, scapos exserentibus raniisque 

 teretibus v. angulatis; foliis sparsis v. rarius verticillatis, radica- 

 libus in scapigeris congestis, simplicibus, inlegris, saepe integer- 

 rirais, exstipulatis. Flores perfecti, irregulares, spicati, racemosi 

 V. corymbosi, interdum solitarii terminalcs, rarius axillares, pe- 

 dicellis saepissime tribracteatis. Calyx tubo nunc ovato-oblongo 

 V. sphaerico, basi interdum hinc gibbo, nunc lineari-elongato, 

 tereti v. compresso, cura germine connato, apice aequali v. in 

 collum contracto, limbo supero, persistente, rarissime regulari 

 sexfido, plerumque bilabiato-pentamero, labio inferiore bidentato 

 v. bifido, superiore tridentato v. trifido. Corolla suramo calycis 

 tubo inserta, gamopetala, rarissime tubo carapanulalo et linibo 

 sexfido regularis, plerunique irregularis, tubo brevissimo, fauce 

 nuda V. denticuHs glandulisve coronata, limbi quinquefidi laciniis 

 quatuor majoribus patentibus, gerainatira approximatis v. rarius 

 cohaerentibus, contiguis saepe minoribus v. rarius cohaerentibus, 

 quinta antica (lahelio) lubi torsione mox laterali, dissimili, tubo 

 continua v. interdura cura illo articulata, articulo irritabili, pa- 

 tente v. deflexa. Stamina duo, disco germinis verticera coro- 

 nanti, in glandulam anticam, v. in glandulas duas oppositas tu- 

 menti inserla, parallela; filamenta cum stylo longitudinaliter in 

 columnara connata; coliimna cylindrica v. lineari, erecta et con- 

 linua, vel duplici flexura, quaruni inferior irritabilis reclinata, 

 pleruraque longe exserta et a tubo corollae libera, rarius brevi, 

 basi tubo pone labellura adnata. JntJierae juxta coluranae api- 

 ceni duae, stigmati incumbentes, simj)Iices v. didymae, loculis 

 demum divaricatis, longitudinaliter dehiscentibus. PoIIinis gra- 

 nula simplicia, globosa v. angulata. Stigma obtusum, indivisum, 

 inter antheras occultatum, v. bifidum, lobis capillaribus, apice 

 capilalo-glauduiosis. Germen inferum, dissepimento limbi caly- 



