Dr. B. Seemann on the Bignoniacese . 31 



Campsidium, Seem, et Reisseck. Chile. 



Campsis, Lour. Asia trop. et subtrop., necnon Amer. subtrop. 



Pandorea, Endl., Seem. Australasia et Asia trop. 



** Arbores. 

 Delostoma, D. Don (Codazzia, Karsnt. et Trian.). Amer. trop. 

 Cybistax, Mart. {Yangua, Spruce). Amer. trop. 

 Zeyhera, Mart. Amer. trop. 

 Sparatlosperma, Mart. Amer. trop. 

 Pajanelia, DeCand. Amer. trop. 



*** Herbae. 

 Argylia, D. Don (Oxymitus, Presl). Amer. subtrop. 



Tribus III. Jacarande^e. 



Capsula marginicida, septum valvis oppositum. — Arbores 

 Gerontogsese vel Americanse. 



Jacaranda, Juss. (Pteropodium, Meisn.). Amer. trop. 

 Dolichandrone, Fenzl, Seem. Ind. or. et Austral. (Spathodece 



sp. auct.). 

 Astianthus, D. Don. Amer. trop. (Genera 43.) 

 Heterophragma, DeCand. Ind. or. 



Genera incertce sedis. 



Monttea, Clos. Chile. 

 Reyesia, Clos. Chile. 

 Oxycladus, Miers. Chile. 



I shall not follow any particular order in communicating my 

 investigation, but publish the results as the complete materials 

 come to hand. 



1. Astianthus, D. Don. 



Char. gen. emend. — Calyx tubulosus, ecostatus, limbo 5-dentato 

 sequali. Corolla infundibuliformis, basi tubulosa, limbo bilabiato, 

 labio inf. 3-, sup. 2-lobo. Stamina 4, didynama, cum rudimento 

 quinti. Antherce parallelse, nudse. Stigma bilobum. Capsula sili- 

 quosa, ecbinulata, 2-locularis, marginicida, septo crasso spongioso 

 valvis contrario. Semina in quavis septi fascie pluriseriata, minuta, 

 compressa, alata, ala completa subovali, corpore cordato. — Arbor 

 30-ped. Mexicana et Guatemalensis, habitu Salicis ; ra'mis glabris ; 

 foliis teris vel superioribus sparsis, elongato-linearibus, integerri- 

 mis, coriaceis (8-14 poll, long., 2-3 lin. lat.) ; racemis terminalibus 

 ssepe dichotome paniculatis, floribus flavis. — D. Don in Edinb. Phil. 

 Journ. vol. ix. p. 262 (1823) ; G. Don, Gen. Syst. iv. p. 228 ; De 

 Cand. Prodr. ix. p. 177. Species unica: 



Astianthus longifolius, D.Don in Edinb. Phil. Journ. vol. ix. p. 262 



