1072 CXXII. ACANTHACE^. [ThimhcnjltcB. 



TrIBUS I, TllUNBERGIE^. 



1, Ittendoncia, VelL in Vand. FL Lusit. et Bras. 43, L 3, /. 22. (Mendozia, liniz et 

 Fav. Prod, FL ChiL et Per. 89^ L 17-) — Bracteolaa 2^ magnfe, foliace^e^ corolla tubum ad 

 medium v. totum includenteSj ante anthosin siupiua conuata^j demum uno latere v. ufcrin- 

 qiie solutffi. Calyx annularis, integer, brcvissimns v. cupulatus. Corolhe tubus rectus 

 V, incurvuSj basi postice gibbus v, obliqimSj cylindraceus v, supeme ampliatus v. ventri- 

 cosus ; linibus obliquus, patens, lobis 5 ovatis rotundatisve parum iniequaUbua contortis- 

 Stamina 4, didyiiama, supra medixim tubum affixa, inclusa, filameutis brevibua ; 

 anthcrse lincares, glabrae v. dorse glanduloso-pilosulte v. basi barbatse, loculis parallelis 

 basi insequilongis. Discus carnosus annularis. Ovarium ineequaliter 2-lociilare v. loculo 

 minore abortionte l-loculare ; stylus apice breviter et inti^qualiter 2-lobuSj lobo aiitico 

 majore v. ntroque margino stigmatoso ; ovula in loculo majore 2, prope basin angulo 

 interiori collateraliter affixa v, abortu solitariaj in loculo minore v. rudimentum parvum. 

 Fructus drupaceus, ovoideus v. supcrne v. fere a basi oompreasusj exocarpio carnoso v, 

 pulposo, endocarpio dure* Semina 1-2, oblonga, erecta^ placentae durie prominuloc basi 

 lateraliter affixa, testa membranacea ; cotyledoncs latse v. angustse, varie plicatse corru- 

 gatae v. convolutce, radicnla brevi recurva, — Frutices v, suffrutices volubiles, saipiua 

 pubescentes v- villosi. Folia opposita, integerrima. Flores purpurei coccinei v. pallidi, 

 ad axillas solitarii v, sa^pius fasciculati- 



Spocies cdita? 20, et 2 v. 3 adsimt adhuc indescriptse, plurcs tiimen rcducendse etvis 16 retinenda^, 

 Americse tropicae a Brasilia usque ad Americam centralem incolae, Nees 'in DC. Prod. xi. 50, et in 

 Mart, FL Bras, ix, 9 {Mendozia). Walp. Ann. iii. 209, v, 643, Pred, Symh. Bot. i. 80, 



Enoelia, Karst, Nees in I)C\ Prod, xi, 721, species includens 2 Columbianas, eharacteriBns et 

 habitu omnino MendoJiciw, ab auctoribus distinguitur corolla tubo antice nee postice breviter calca- 

 rato apiceque fisso, sed veri similiter hie latet error. 



* 



2. Tbunbepgla,iinn, /, BiippL 46,— Bract eoloe 2, foliace^e, ovatee v, laneeolatEe, calycem 

 et ssepius corollse tubum includentes* Calyx annidaris, brevia nunc brevissimus, trunca- 

 tus V, 10-15-dentatua. Corollne tubus incurvus v, obliqims, seepe compressus, superne 

 ampliatus ; limbua patens, lobis 5 latis rotundatisve parum ina3qualibus contortis. Sta- 

 mina 4, didynama, prope basin tubi affixa, filamentis basi incrassatis discretia ; antherse 

 glabrae v. barbatge, connective apiculatse, loculis oblongis v. oblique ovoideis paraliulis 

 a?qualibus Y. parum imequalibus basi aristato-mucronatis v. calcaratis rarius muticis. 

 Discus carnosus pulvinatus v. breviter annularis. Ovarium camosulum; stylus apice 

 dilatato-cuneatus, oblique infundibularia v. in^qualiter 2-lobua, margine vertical! atigma- 

 tosus ; ovula in quoque loculo 2 coUateralia. Capsula crasso-coriacea, basi seminifera 

 globosa, abrupte rostrata^ loculicide dehiscens. Semina in quoque loculo 2, globosa ovoi- 

 dea V- a dorso compresaa, extus verrucosa v- lievia, ventre excavata v. plana, liilo centrali, 

 funiculo parvo papillfeformi v. conico ; embryo seniini subconformis, cotyledonibua latis 



margine ssapixis inflexia plicatisve c^terum concavis v- subplanis, radicula brevi incurva. 



Herbse nunc humiles suberectie, nunc sa^pius longu volubiles. Folia opposita, ovata 

 lanceolata cordata v, hastata, Flores purpurei c^erulei flavi v. albi, breviter pedicellati, 

 ad axillas solitarii v. in racemos tenninales dispositi. 



Species fere 30, Africse tropicEe et aiiitralis, Madagascarins et Asige calidioris iiicolje. Necs in DC, 

 Prod, xi, 54. Walp. Amu iii. 209. T. Anders, in Journ. Linn. Soc. vii. 18, ix, 447, 



Gemis naturalissimunij in sectiones soquentes dividitur; 



1, Eiithuiihtrijia. Calyx sctivceo-OD-dtntatus. SemiDa globosa t. subovoidea, ventre excavata, 

 testa circa funiculum longe intrusa et indmata cupulam reversam formante funiculo desiccato post 

 semen delapsum pjirvo Kubconico. Flores axiilares. Species ad 18, quarum 2 Asiaticae, cseterae 

 Africanse v. Madagascarienses- J^ces in DC. Prod. z\. 55 {Thunb(rgi<s sect. **) .Gwrtn. / Frxict. iii. 

 t. 183. Uo^h. Corom. PL L 67. Audr. BoL Sep. L 123. Hook. ExoL FL t. 166, 177. BoL Mag. 

 L 1881, 2.391, 3ol2 et 5013. 5389 {Mct/mw). 



