122 CXXXVIIL ARISTOLOCHIACE^. 



genitalia plus minus constrictum. Antheroe 6-X>, columnie stylari 1-seriatini adnatse.— Ori/5 

 litrinsqne reg. calid. et temp. 



GENUS EXCLUSTJM. 



TniciiopoDior, Lindl,, ab auctore Aristolochiaccis adscriptum ad Dioscorideas pertinet. 



1. Asarum, Linn. Gen, n. 589. (Heterotropa, Morr. et Dene, in Ann. Sc. Nat. ser. 2, 

 ii. 314, f. 10.) — Perianthium basi ovario adnatiim, snbliemisphsericum, snpra ovarium late 

 campanulatum v. urceolatum, fauce varie constricta v. aperta, lobis 3 (rarius 4 ?) seqiia- 

 libua valvatis. Stamina 12 (rarius 8 ?), ovario 2-seriatim affixa eique interdum breviter 

 adnata, filamentis crassiusculia v. brevissimis ; antherarum loculi extrorsum v. scriei 

 exterioris sublateraliter dehiscentes, connective ultra loculos varie producto. Ovarium 

 inferum semi-inferum v. basi tantum leviter immersum, subglobosum v. vertice planum, 

 imperfecte v. perfecte 6- rarius 4-locuIare, placentis parietalibus valde intrusis, in centro 

 dilatatis et ssepe contignis v. interdum coalitia ; styli 6 rarius 4, crassiusculi, liberi v. plus 

 minus in columnam connati, supeme introrsum stigmatosi ; ovula in quoque loculo oo, 

 2-seriatim superposita, horizontalia v. pendentia. Capsula coriacea, semi-infera v. infera, 

 perianthio staminibusquc persistentibus coronata, putrefactione aperta. Semina oblon^^a, 

 complanata, facie interna valde concava marginibus fere involutis, raphe carnosa per- 

 cursa ; albumen et embryo ad normam ordinis. — Herbre perennes, caudicibus repcntibus 

 quotannis caules plerumque brevissimos l-3-squamato3 et folia 1-2 gerentes emittentibus. 

 Folia longe petiolata, cordata reniformia v. subliastata. Flores terminales, aolitarii, 

 breviter pedunculati. Perianthium saltem intus fusco-purpureum v. luridum, lobis obtusia 

 acutis v. caudato-acuminatia. 



Species DOtse 13> regionum temperatarum hemisphserii borealis incolfe, scil. 4 Amerieanfe, 1 

 Europasa, 1 Himalaica, 7 Asiatiese orientales v. Japonicae. Ditch, in DC. Prod. xv. i. 422. Maxim, 

 in Bull. Acad. Petersb. xvii. 162 ; Mel. Biol viii. 395. Iteichb. Ic. FL Germ. t. 668. iVe«s, Gen. Fl. 

 Germ. Monochlam. n. 51. T&rr. Fl. N. York, t. 92. Field et Gardn. Serf. PI, t. 32. Hooh Exot. 

 Fl. t. 40. Bot. Mag. t. 2769, 3746, 4933, 5380. Siocet, Brit. FL Gard. t. 18, 95. Lodd. Dot. Cah. 

 U 889. Beg. Gartenfl. t. 440. 



Genus distlnctissimuin, liabitu subuniforme, variat de specie in speciem perianthio ad faucem 

 varie constricto v. nudo, ovario apice plus minus libero, staminibus stylisque majiis minusve evohitis 

 liberis v. connatis, vix tamen in sectiones distinctas diridendum. 



2. Bragrantla, Lour. Fl. Cock. 528. (Apama, Lam. Bid. i. 91. Ceramium, Blum. Bljdr. 

 1134, nomen mntatum hi Yanhallia, Roem. et Schnlt. Syst. vii. 18, v. in Munnickia, Beichh. 

 Consp. 85. Trimeriza, Lindl, Bot. Reg. siib. t. 1543. Aaiphonia, Griff, in Trans. Linn. 

 Soc. xix. 333, t. 37. Strakjea, Presl^ Epimel. Bot. 221. Cyclodiscus, Kloizsch in Monats- 

 her. Acad. Berlin, 1850, 591.)— Perianthium basi ovario adnatum, lincare, stipitiforme, 

 supra ovarium articulatum, late campanulatum, 3-fidum, fauce aperta quandoque intus 

 annulata, lobia valvatis tequalibua. Stamina C-12, simplici serie stylum cingentia, fila- 

 mentis brevibus subnullisve liberis v. varie coalitis ; antherarum loculi connectivo crassius- 

 culo ultra loculoa brevissime et obtuse producto extrorsum adnati. Ovarium inferum, 

 4-Ioculare ; stylus supra ovarium breviter v. brevissime lateque integer, in lobos 3-oo 

 stigmatosos ssepius lineares divisus ; ovula in loculis numerosa, 2-seriatim superposita, 

 pendula. Capsula perianthio deciduo apice nudata, longe linearis, 4-gona, septicide 

 4-valvi3, placentam centi-alem 4-angulatam (an semper ?) relinquens. Semina oblongo- 

 3-gona, testa Crustacea v. duriuscula rugosa, substantia celluloso-spongiosa cum placenta 

 continua srepe involuta ; albumen et embryo ad normam ordinis. — Frutices suffruticesvo 

 parum ramosi, tomentosi v. glabrati. Folia alterna, breviter petiolata, 3-5-nervia, pen- 

 nivenia. Flores quam in Thottea multo minores, in una specie ad apices ramorum laxe 

 cymoao-coiymbosi, in altera ad axillas pauci breviter cymosi, in tertia prope basin caulis 

 racemosi. Capsula scepiiis pluripollicares. 



Species adsunt 3 (v. 4?) prajter typicam Lourcireannm nobis ignotam, Indite orientalis et Arclii- 

 pelagi Malayani incohe. —Duch. in DC. Prod. svi. i. 429. Bcnn. PI. Jav, Bar. t. 11. Wight, Ic. 

 t, 520. 



