582 Nachlrag. 



ARISTOLOCHIACEAE Lindley. 



Char. emend. Flores hermaphroditi apetali. Calycis tubiis 

 teres v. subangulatus, cum germine connatus, herbaceiis, limbus 

 superus v. subsuperus coloratus, interdum amplissimus, intus saepe 

 pilosus V. ramentlfer, nunc basi ventricosus v. incurvo-tubiilosus, 

 in ligulam obh'quam productus v. regulari-trifidus v. ringenti- 

 bllabiatus, germine stricto v. obliquo impositus, deciduus, laci- 

 niis per aestivationem valvatis v. induplicatis. Stamina disco 

 annulari, gerniinis apici imposito, v. cum styli v. cum stigmatls 

 basi confluenti inserta, quinque, sex, octo v. plurima uni- v. ra- 

 rlssime biserialia; filamentis brevibus subinde inaequilongis ple- 

 rumque nuUis, liberis v. connatis; antheris extrorsis, biloculari- 

 bus, conncctivo v. in acumen producto superatis v. mutico v. 

 annullari v. nullo, loculis appositis longitudinaliter dehiscenti- 

 bus. Germen inferum, rarissime vertice breviter exserto semi- 

 superum, sexloculare, rarius tri- v. quadri- v. quinqueloculare, 

 placentis parletalibus deinde centro connatis et dissepimenta 

 spuria formantibus. Ovula plurima, anatropa, simplici- v. duplicl 

 Serie inserta, adscendentia v. borizontalia. Stylus terminalis, 

 brevissime columnaris, solidus v. fistulosus. Stigma discoideum, 

 radiatum, centro clausum, v. erectum tri-quinque-sexiobum, cen- 

 tro perforatum, lobis apice plus minus conniventibus. Fructus 

 capsularis aut rarius baccatus subglobosus, oblongus, pyriformis 

 aut interdum siliquaeformis, tri- quadri- quinque- sexlocuiaris 

 spurio septicide dehiscens aut in quibusdam indehiscens. Semina 

 in loculis plurima, rarissime abortu pauca v. subsolitaria, bori- 

 zontalia sive adscendentia, subangulata; integumento membrana- 

 ceo, dorso saepissime convexo, ventre excavato, ibique rhaphe 

 carnosa v. suberoso-fungosa, hilum basilare cum chalaza apicali, 

 interdum glandulosa conjungente, percursa. Embryo minutus, 

 endospermi apice Inclusus; cotyledonibus brevissimis, ante ger- 

 minationem vix manifestis, radicula hilo proxima, infera. 



Herbae, saepius acaules, rhizomate repente v. tuberoso pe- 

 rennantes, v. suffrutices aut frutices, non raro volubiles, ligno 

 ezonato; caule simplici v. ramoso, tereti sive angulato, sulcato, 

 nodoso -articulato, ad nodos saepe tumido. Folia alterna, pe- 

 tiolo basi saepissime dilatato, semiamplexicauli, lamlna circum- 



