ASCLEPIADEAE. 504 HETEROSTEMMA. 



suboperculata. Ovaria 2. Stigma subhemispbaericum. Folliculi 

 gcmini divaricati, altero saepe deficiënte erecti, tetragoui, fere 4-alati, 

 supra basin angustam crassi, sursum sensim attenuati, sutura longi- 

 tudinali dehisceiites. Semina ovato-oblonga complanata, tcnuiter 

 marginata, coma termiuali candida sericante. — Genus si demis pol- 

 linis massam pellucidam, Pergiilaiiae et Marsdeniae intimc cognatom, 

 rectius forsan iis approximandum. 



I. Tetragonocarpus Teysmanni hassk. in Flora bol. Zeit.m7 t 



p. 100. Erutex scandens, ramis albis suberosis rimosis; ramulis te- 

 retibus puberulis ; folia petiolata e basi plerumque subcordata ovata 

 vel ovato-oblonga breviter et acutissime subulato-acuininata, inein- 

 branacea, novella puberuia, adulta glabrata; cymac intcrpctiolarcs 

 brcves pauciflorae; fiores llavescenti-virides ; follieuliangulisrepamli. 

 Bali. Java, in Banjoewangi, in de kustwouden (teysm.). 



XXXVII. HETEROSTEMMA wicht et aiw. Caljcis 5-par- 

 titi laciniae ovatae. Corollae rotatae 5-partitae laciniaepatulae, 

 aestivatione valvatae. Goronae stamineae 5-phyllaefoliola inferno 

 dilatata libera, superne processubus irregularibus vel deuticulis acu- 

 tis teretiusculis aucta. Antherae membrana rotundata terminatac. 

 Pollinia breviter stipitata rotundata, hinc margine pellucido. Stig- 

 ma muticum stellatum. Eolliculi laeves. Semina comosa. — 

 Erutices Asiae australioris glabri volubiles, foliis supra petiolum glan- 

 duliferis, umbellis interpetiolaribus plurifloris. 



1. Heterostemma acuminatum decaisn. Volubile glabrum, foi» 



e basi rotundata ovata vel ovato-elliptica longe acuteque acuminata, 

 trinervia, pedunculi petiolo breviores pedicellique pubcri, flores pur- 

 pureo-guttati, coronae stamineae phylla irregularia lobato-denticu- 

 lata, uno saepius majore subulato. Heteroslemma acuminaUnn De- 

 caisn. in N, Ann. Sc. nat. IX. p. 268, tab. 10, fi(). A. DC. Pr** 

 l. c. p. 630. Deless. Icon. Select, vol. V. p. 87, tab. K8. 

 Java (leschEi\aült). — Goedo-sari swid. 



2. Heterostemma tanjorense w. et arn. Volubile glabrum, W 



e basi subcordata ovata acuminata vel obtusa, pedunculi petiaw 



