490 DICOTYL. seu EXOGENJE. 
Ordo CXXX. ASCLEPIADEE (1) R. Brown in TYF'ern. trans. 
Edinb. 1, p. 12. Prodr. p. 458. Observat. on the organs 
and mode of fecundat. in 4sclepiad. etc., Lond. 8*, 1831. 
et Supplem. observat. July 1833. Linn. Transact. xxi. 
p. 685-545, t. 34-36. Brongniart 4nn. sc. nat. xxiv, 
p. 113-13o, t. 12-14. Ehrenberg in Linned 1v, p. 94. 
Endl. gen. p. 586. JWight et -4rn. Contrib. to the bot. of 
Ind. 29-675. E. Meyer Comment. pl. afr. austr. 193-225. 
Hook. et J4rn. Journ. of bot. 1834, 287-296. Endl. Nov. 
stirp. mus. vindob. decad. p. 18 , in not. Décaisne Étud. 
sur quelques genres et espéces de la famille des 4sclépia- 
dées , Ann. sc. nat. 1838, p. 557-345, t. 9-12. — Apoci- 
nearum pars Juss. gen. 145. — Asclepiadacee ZLindl. Vat. 
syst. of bot. 3o». 
Calyx 5-partitus ; sepala interdum inferne subconnata, 
introrsum sepius glandulis 5-10 acutis imá basi instructa , 
persistentia , rarius accrescentia ; preffloratio quincunciata. 
Corolla monopetala , hypogyna , decidua , regularis, rotata , 
campanulata , infundibuliformis , hypocraterimorpha v. tan- 
dem , sed raro, urceolata ; faux nuda v. ad sinus glandulis v. 
appendiculis varie constitutis staminumque tubo ( Gynoste- 
mium ) plus minusve alte adnatis instructa ; prefloratio val- 
vata rarius sinistrorsum v. dextrorsum contorta. Stamina 5, 
ime corolle inserta, lobis alterna , filamenta in tubum pistil- 
lum includentem connata ( Stylostegium, Gynostegium ) , 
raro libera; anthere erecie, introrse, biloculares, nunc 
septis semicompletis subquadriloculares , loculis perpendicu- 
laribus v. transversalibus semper extus in appendices cartila- 
gineas projectis, apice simplices truncate v. connectivo in- 
crassato acuminato v. in membranam tenuissimam albidam 
producto. Pollen ad dehiscentiam antherarum in massas lo- 
culorum numero coalescens, rarius per paria confluentes, 
geminatim v. quaternatim solitarie processubus quinque affixas 
et respectu stigmatis erectas horizontales v. pendulas. Discus 
hypogynus nullus. Styli duo plus minusve approximati apice 
concreti. Stigma carnosum stylis duobus commune, pentago- 
num, ad angulos corpusculis cartilagineis brunneis nitidis 
cum antheris alternantibus instructum , depressum v. planum 
cum mammulá centrali bilobá , v. conicum , v. in rostrum 
integrum aut plus minusve alte bifidum v. setis »-7-filiformi- 
bus coronatum, rarius in cupulam irregularem sinuatam 
(1) Auctore J, Decaisne, 
