350 Ig.n. Urban: 



flavido-apiculatus, apiculo breviter et late conico demum (Capsula dehiscente) 

 deciduo. Semina juniora margine pilis deorsum versis obsita. 



Hab. in Haiti prope Gonaives in collibns siccis fruticeto obsitis 

 ad raontem Bienac, m. Jan. flor.: Buch n. 587. 



Obs. E sectione Eriospermi , sed nulli alii speciei arctius affinis. 



Ipomoea leucoiieura Uib. (n. sp.) glabra, foliis 30 5 mm. longe 

 petiolatis, digitatis, foliolis 7, raro 5 v. 6, elliptico-oblongis iisque ob- 

 longo-lanceolatis, inferne sensim petioluliformi-angustatis, apice plerum- 

 que acuminatis, rarius obtusis, 30 5 mm. longis, 101 mm. latis, 

 nervis subtus bene prominentibus albidis; intlorescentiis 7 2 mm. longe 

 pedunculatis, 10 1-floris; ob folia materna saopius decidua v. dimi- 

 nuta in racemum elongatum collectis, pedicellis primariis 12 7 mm. 

 longis; sepalis inaequilongis, exterioribns ovatis v. breviter ovatis, ca. 

 3,5 mm. longis, interioribiis anguste ovatis v. obovatis 5 mm. longis, 

 Omnibus apice rotundatis v. interioribus subemarginatis; corolla sanguinea, 

 35 45 mm. longa, subcylindracea v. medio paullo inflata, tiibo in statu 

 compresso usque 5 mm. lato, limbo integro; capsulis oblongis 15 mm. 

 longis, superne 6 7mm. latis, calycem 4-plo superantibus. 



Rami vetustiores lignescentes teretes plus minus plicato-striati, saepius 

 dense et elevatim punctati, cinerascentes, hornotiiii teretes v. obsolete angu- 

 lati, interdum dense et minute punctulati. Folia petiolis supra basin deci- 

 duis, reliqus eorum postremo valde incrassatis, magnitudine in eodem ramo 

 valde variabilia; foliola petiolulis nullis v. usque 3 mm. longis, valde in- 

 aequilonga, ad basin valde decrescentia, basalia obtusiora, nervis utroque 

 latere 6 8 sub angulo ca. 60*^ abeuntibus, non anastomosantibus, subtus 

 paullo calloso- incrassatis, subtus pallidiora densissime punctulata, chartacea, 

 margine plana integra. Inflorescentiae plerumque semel cymose divisae, 

 dein in ciucinnos abeuntes; prophylla decidua; pedicelli medio vix 0,4 mm. 

 crassi, superne sensim et paullo iucrassati. Sepala ^nridia v. pallide rubro- 

 tincta, basi paullo inter sese coalita, iutus minute et dense punctata, coriacea, 

 exteriora margine vix, interiora latius attenuata, luce permeante plurinervosa, 

 nervo medio dorso saepius prominente. Corolla in limbum patentem ex- 

 pansa; limbi radii mcsopetali lineari-lanceolati, nervis crassioribus 3 et parcis 

 tenuioribus anastomosantibus percursi, ut videtur minus colorati; areae com- 

 missurales tenuiores, nervis e margine radii mesopetali oblique abeuntibus 

 numerosis tenuibus notatae. Stamina tubo corollino 4 5,5 mm. supra 

 ejus basin affixa; filamenta 1720 mm. longa, ad basin 2,5 3 mm. longe 

 pubescentia, caeterum glabra; antherae lineares 4 mm. longae, in Y^ alt. 

 affixae. Discus annulatus carnosus obsolete crenulatus. Stylus ca. 25 mm. 

 longus, inferne crassiusculus, dein filiformis, glaber; stigma didymum, lobis 

 globulosis sibi adhaerentibus ; ovarium ovatum, in stylum paullo contractum, 

 2-loculare, ovulis in quoque loculo 2 lineari- oblongis. Capsulae a basi 

 ad apicem paullo ampliatae, longitrorsum tenuiter nutistriatae, 4-valves. 

 Semina anguste oblonga, 5 mm. longa, 1,3 mm. lata, ventre et dorso mi- 

 nute pilosula, apice et margine pibs usque 12 mm. longis flavido-albis rectis, 

 circumcirca expansis dense vestita. 



