Cynancheoi.] CVII. ASCLEPIADE^. 761 



73. Morrenia, LindL BoL Heg. 1838, Misc. 71,— Calyx 5-pai-titns, basi intiis iinnuto 

 5-glandulosus, segraentis elongatis. Corolla tnbo brevi campanulato-subrotata, alte 5-fida, 

 lobia angustis crassiusculia contortis angiiste doxtrorsum obtogentibus. Corona tubo 

 stamineo afflxa, late tubiilosa, intus villosaj apice 5-ioba, lobis trnncatis medio emarginatO' 

 inflexis, sinnbus 2-dentatis. Stamina tubo corollije aftixa, filaraentis in tnbnni breviasi- 

 mum connatis ; anthene membrana inflexa terminata3. PoUinia in quoque loculo solitaria^ 

 ovoidcO'Oblongaj pendala. Stigma vcrtice obtuse conicnm. FoUicnli crassij coriacei, 

 lajvea. Semina .... — SuftVutex volubiliSj nndique canescens. Folia opposita, 

 hastata. Cymii3 dens;e, subracemosa?, in xma axilla sessiles v, brevissimc pedunculatte. 

 Florcs mcdiocreSj albidi. 



Species I, in America australi cxtratropica a Bonarla ad Boliviam frequens, SpcLiinimL Curdo- 

 Tiana varietatcm {w spociem ?) floribiis duplo niinoribiis o^tciidunt. 



74. Pycnoneumm, Dctte, in DC. Prod, viii. 532,— Calyx 5-partitus, basi intus 5- 

 glandnlusus, segmentis tenuibus lanccolatis. Corolla campaimlata, auburceolata, 5-cari- 

 iiata, semi-5-fidaj tubo ventncoso^ lobis angnstis contortia dextror^uiu obtegentibus 

 sinistrorsuni tortis, sinubiis carnosia prominiilis. Corona tubo stamineo aftixa, cyathi- 

 foraiis, erecta, 5-luba v, aubiiitegra. Stamina basi corollie affixa, lilamentia in tubum 

 breveni connatis ; anthene; membrana inflexa teriiiinutie* Follinia in qiioque loculo suli- 

 taria, pendula. Stigma (in P. junciformi) vertice in appendicem breviter stipitatani jiel- 

 tatam 5-Iobam productum, lobia breviter recurvis clavatis lobis disci alternis, v. (in P. 

 sctf;*t?(/fart>, a nobis nun viso) ex icone vei-tice planum. Folliculi .... — Herba^ perennes, 

 erectar, virgatse, glabnt^. Folia opposita, linearia- Cyniio umbelliformes, subglobosa^, 

 terminalos v. in una axilla sessiles v, brevzssiane pedunculatse, pedicellis brevissimis, 

 Flores parvuli. 



Species 2, Madagatcarienscs. DcUss, Ic\ ScL w t. 67. 



75. Vincetoxtcum, Mcench, Mdh. 717»^Calyx 5-paititus, minute 5-c2-glandulosus 

 (v. eglandulosus \)y ^egmcntia acutis v- rarius obtusis. Corolla campanulato-subruiat^, 

 alte 5-fida, lobis contortis dextroi'sum obtegentibus v, fere valvatis, sinistrorsuni tortis 

 rcctisve. Corona tubo stamineo affixa^ cyatLiformis late canipanulata v. fere tubulosa, 

 'Sueimbranacea v. carnosula, subintegra dentata breviter 5-10-loba v. fere 5-partita, lobia . 

 inargine angnsto connexiH, intus inappendicnlata. Stamina prope bnsin corollse affixa^ 

 iilamentis in tubuni brevem connatis ; antlierie membrana inflexa terminatte. Pullinia 

 in quoque loculo solitaria, baud comi^ressa, ad apicemv, sub apice aftixa, pendula. Stigma 

 vertice planum v. niedi<> ximbono v. apiculo crasso conico breviter 2-fido instructum 

 (rarius rostratum ?). Folliculi crassi v. crassiusculi, acuminati, loeves v- longitudinaliter 

 alati v. undique setoso-muricati. Semina comosa. — Hurbty perennes v. suffrutices erecti 

 V. volubiles, glabri v. cano-pubescentes, rarius fruticuli ngidi ramoais^iuii. Folia oppo- 

 sita V. rarius quaternatim verticillata v. altema- Cym;i3 unibelliformes v. racemosie, 

 simplices v. ramosye, in xma axilla breviter pedunculate, v. laxiorea longeque peduncu- 

 latce. Flores parvuli, nunc minimi, viridi-flavescentes v. purpurascenteSj inturdum 

 fere nigri, 



, iSpecics ad 70, regionuni t^mpcratanim r. calidionim utriusquc orbis iiiculae, inter tropiccs rariores, 

 Pcnc, in DC. Prod. viii. 523, fi26 {Orthosiu) et 527 {CffnocConnm). Walp, Hep. vi, 483 ; AimA, 506 ;. 

 iii, 51 d 52 {Cynoeto.imn) ; v. 500. M'tq. Fl. hid. Bat. ii. 478 {Cydoctouum). Benik. FL Austrul. 

 iv, 330. Kc€s. Geii. FL Germ. {Ci/iiaiwknm). Beichb, Ic. FL Germ. L 1067 ad 1069, Jord. tt 

 Fourr. Ic. FL Fur. f. 46 ad 55. Vis. FL DaJm, SnppL L 7. Whfht, Ic. t. 35t {Cf/mitekitm), 1279, 

 1280 {Cipioctonv.m), et /. 1614. //. B. H K, Nov, Gm. et Sp. /. 234 {Cfpimirkiou). iJeless. Ic. ScL 

 \. t. GG {Cynoctontim). Bot. Mag, t. 2390 (Cf/uanchum). Bot. Rtg, t. Ill (Cgnauehtnn). 



GemiK Vynancho valdo affitie ncc differt nisi absentia ligiibrum v. Hrprimellaram iaturioruni 

 coroiiio, wh aiictorilnis in genera plura diriditur, quoad species typicas primo intuitu distiucta, seil 

 intermedjia pluribus arete juncta. 



ViNCRTuxiCA typica sunt species gerontogcne imprimis F^uropfe et Asiip tcmponita^ circs, caulo 



