609 



STEFFENSIA. 



Flores sessllcs, rliacliim dcnslssirae obtegcutes aniinlatlin 

 vel spiraliter dispositl, hcrraapliroditi, midi, inferne magis 

 minnsve connati, singuli braclca sufFiiltl. Bractcao aut apice 

 iufloxo-peltatae, raaigiue ciliato-fimbriatae , aut iuflcxo-cu- 

 cuUatae, subconchaeformes, pleruraquc glabrac. Stamina 3 

 — 5?, pistillo circumposita? Fllameiita persistentia. An- 

 tlierae apice filamenti insidentos, biloculares, ovatae Tel re- 

 niformes. Ovariura sessile iiniovulatnm; ovulo erecto, ortlio- 

 tropo?. Stigmata 3, rarissirao 2, sessilia, pleruraquc subu- 

 lato-filiformia, recurvata. Fructus rhachiru densissime ob- 

 togcntcs, aunulatini vel spiraliter dispositi, inferue magis 

 minnsve connati, pressione mntna latcribns, praosertlni ba- 

 sim versus compVcssi, bractcis persistentibus sulTulti, obovati, 

 obovato - qnadrati vel parallelopipedei, vertice rotundato - 

 truncati, vestigiis stigraatnm umbllicati. Pcricarpinra latcri- 

 bns tcnuc, vertice carnoso - crassiuscnlnra, Semen frnctul 

 snbconfornie, pcricarpio adhaereus, latcribns, pracsertim ba- 

 sim versus compressnm, Icvitcr umbonatuni, basi emargina- 

 tum, lacve vel snbtllissimc reticulato-scrobicnlatnm. Testa 

 tennissirati, albumini adnata. Albnmen scmlni conforrae dnro- 

 farinosnm, albnm, vertice pro recoptione sacculi cmbryonalis 

 cxcavatum, — • Fruticcs vel suffnitices ^mcricae vicri^ 

 , dionalis^ ramis nodosis, Folia alterna^ pcnni-^ rarius 

 disüincrvia f sacpissimc inaequilatera vel ohliqua,, semper 

 inlegra ct. intcgerri'ma; peliolo nudo vel rarius iitrinque 

 membratiacco-alafo. Sltpidae\opposilifoh'ac vel in apice 

 ramulorum terminales, intcrdum aa-illares et peliolo pct* 

 dorsum adnafac, Spicae oppositifoliaCy solitariae, Flo- 

 res juveniles saepc per quincunces disposili, 



Charactcr diffcrcntialis, 



13r lud. 6s Heft. 39 



