CXXn. ACANTHACE^. 1003 



Subtribus 4, Andrographidea^ CoroUa 2-labiata. Ovula in gmque loculo 3-qo. 

 Subtribus 5. EujusticieEe. Corolla 2-lahiata t\ suba^qiialUtr A-fida. Ovida in quoque loculo 2. 

 SubtribuH 6, Dicliptere^. Brackets 2 v. 4: calyce hngiores, valvatim applicitiB v. plus minus con- 

 nate, fiores 1-00 includmtes. Cetera Eujusticiearum. 



CONSPECTUS GENERTJM. 



Tiibus I- Tfaunbergleae. CoroUse lirabus patens, lobis 5 rotundatis sub«qiialibus contortis. 

 Ovula in quoque loculo 2 collateralia v. abortu soHtaria. Semina globosa 7. a dorso compressa, 

 orbicularia, hiloin media facie inteiiore v. ventre piano v. intruso, funiculo brevieaimo demum desic- 

 cate affisa, retinaculis 0. Caules volubiles v. rarius orecti brevesque, Caij-x intra bracteas valva- 

 tim applicitas occultus, breTissimus, annularis v. in dentes subulatos 10-15 fissus- 



!• Mendoncia, Fructus drupaceus, abortu l-spermus, — Amer. trop. 



2. Thunhekgu. Capsula rostrata, basi 2-4-sperma, — Afr. trop. et ausir.^ Asia trop. 



THbus XI. N-elsoiiiese. Corollje linibus 2-labiatus v. subseqiialiter 5-fidus, imbricatus, labio 



postico V, lobis 2 posticis exterioribus, Ovula in quoque loculo oo, 2-seriatini suporposita, Semina 

 minima, globosa, ventre funiculo minute papilliformi aflSxa, retinaculis 0; albumen tenne. Florea 

 ad axillas bractearum v. folionim sizperioruni solitsirii, superiores v, omnes tsepius in ^picam v, race- 

 mum terminalem dispositi, bracteis saltern superioribus alternis. 



■ TriLus SeropJmlarineis accedens, sed habitus et capsulse valv^ concavse recurvas medio semisepti-* 

 ferae omnino Acanthacearum^ 



3. Elytraria, Calyx 4-partItus. Stamina 2, Spicse densse, tenues, pedunculo v. scapo 

 squamis alternis obtccto fult£e, — Amer. trap, et bor., Afr. et Asia trop, 



4. Nelsonia. Calyx 4-partitus. Stamina 2, Spicae densa?, ovatae y. erassiuseule eylindra- 



cese, sessiles v. pedunculo nudo fultee, bracteis imbricatis. — Heg. calid. utrinsque orbia, 



b. EcKKMAiEEfA. Calyx 0-partitus. Stamina 4. luflorescentia spicata subpaniculata v, 

 axillaris, — Asia irop., Brasilia. 



6. Ot'HioEEHiziPHYLLUJL Calyx 5-partilus, Stamina 2, exserta; antherarum loculi erectly 



apice rima brevi dehiscentes, Spica laxa, terminalis, pedunculo "i^uAo.-^Martabania. 



Tribus III. RuelUese. Corollse limbns 2-labiatus v. saepius subaKjualiter 5-lolnis, lobis con- 

 tortO'imbricatis sinistrorsum obtegpntibus. Ovula in quoque loculo 2-co (rarius ultra 8), 1-seriatim 

 T. alternatim superposita. Semina plano-compressa hilo prope basin marginali, funiculo (exct;pta ' 

 Cardanthera) in retinaculum sursum curvatum indurate. Folia floraTia Iicrbacea v. bracteiformia, 

 omnia ssepissinie opposita, Calycis segmenta v- lobi 5, v. 2 anticis connatis 4, postico saepe majore. 

 Stamfna perfecta 4 v. rarius 2 ; antherfe sequaliter 2-locu1apes, v, rarius loculus alter v. anthem tota 

 staminum 2 cassus v. deficiens. Styli lobus anticus setaceus v, dilatatus, stjgmate terminal! parum 

 conspicuo siepe breviter decurrente ; lobus posticus brevier nunc dcntiformig y. obsoletua, 



Subtribus 1. Hygrophileae, Corolla limbm 2-labiatiis, labio postico erecto 2- deaiato v. breviter 

 2-Jido, aniico Z-Jido, lobis omnibus contortis interdum angustissime obtegentibits v. antico utrinque 

 ohticto. FUamenta bast per paria in meinbranwm decurrentem connata, Cap^ula fere a basi 

 oo-sperjna. 



7. 0ARDANTHER4, Stamina perfecta 4, didynama, v. 2 autica. Seminum funiculi ad tuber- 



culum parvum reducti nee iu retinaculum indurati. Folia infcriora ta^pius Jentata v, pinnati- 

 fida, — l7id. OT.^ Afr. trop. 



8- Hygrophila. Stamina perfecta 4, ditlynama, v- 2 antica. Semina retinaculis fulta. 

 Folia integerrima. FI ores ad axillas fasciculati rarius solitarii, subsessiles, Spinje axillares 

 in una specie. — Orbis utrinsque reg. trop. 



0. NoMAPHiLA, Stamina perfecta 4, didynama, Semina retinaculis fulta. I'olia integerrima 

 V, dentata, Cym^e ad axillas pedunculatae, superiores laxe paniculatae.— ^A- t^op., MaJagasc., 

 Asia trop. or, 



10, Brii'i AXTAisiA. Stamina perfecta 2 postica, antheris anticorum parvis cassis* Semina 

 retinaculis fulta. Folia integerrima v, dentata, Cymae evolutae, laxe paniculatae, 



Sabtribus 2, Euruellic®. Corolla (excepio Otacantho) lobi contorti, patentes, parum in^quahs v. 

 2 post id altius connati. Filammta basi per paria lateralia contigua v. in membranam decurrentem 

 connata, Capsida hasi in stipilerh contracta v, a basi 2'locularis, teres v, a dorso letiter compressa. 

 Florea ad axillas sess'Ues, solitarii v. fasciculati^ v. laxe cymosi, x\ in spicas terminales disposili. 



3 z 2 



