470 



IgN. UliBAN : 



werden, da sie mit Piyclianthera Berterii Dcne. nicht identisch ist. 

 Poicilla OTatifolia Griseb. tritt wieder in Kraft. Ptychanthera oblon- 

 gata Schltr. und Ptychanthera mollis Schltr. müssen in Poicilla ob- 

 lonsata Schltr. nnd Poicilla mollis Schltr. iimareiindert werden. 



) 



5 



Convolvulaceae. 



Ipoinoea incarnata Choisy, glabra, foliis 5 — 1 cm. longa petio- 



latis, ovatis, hasi late cordatis, lobis juxta sinum rotundatis, aut in 

 eodem specimine sagittatis, lobis juxta sinum basalem acutis v. acu- 

 minato-productis plus minus divaricatis, omnibus apice acuminatis, inte- 

 gris V. margine subundulatis 6 — 2,5 cm. longis, 4,5 — 1,5 cm. latis; in- 

 florescentiis axillaribus, cymose 7 — 1-floris, pedunculis 2 — 0,2 cm., 

 pedicellis 5 — 1cm. longis; sepalis subaequilongis, 10 — 20 mm. longis, 

 oblongo-lanceolatis v. lanceolatis, 4—5 mm. latis, acutis v. acuminatis 

 dorso elevatim 5-nervibus; corolla ex sicco roseo-lilacina, usque 7 cm. 

 longa, tubo subcylindraceo; seminibus velutino-tomentosis. 



Ipomoea incarnata Choisy in DC. Prodr. IX (1845) p. 360. 

 Convolvulus incarnaius Vahl Ed. II (1798) p.l2. 

 Ipomoea monosperma Spreng.! Mse. ap. Choisy in DC. Prodr. IX 

 ß845) p.3S2 (foliis eximie hastatis) . 



Bami volubiles, vetustiores lignescentes griseo - brunei , lenticellosi, 



hornotini teretes, plus minus striati. Folia in sicco chartacea v. pergamacea 



nervis 2 — 3 basalibus siibhorizontalibus, caeteris utroque latere 4—7 sub- 



arcuato-ascendentibus, supra prominulis, plus minus subpellucido - punctata. 



Inflorescentiae nunc remotae, nunc approxiraatae et in racemum collectae; 



prophylla decidua, extrema tantum visa lanceolata, 2 — 3 mm. longa; pedi- 



celli striati, ad apicem paullo incrassati. Sepala in sicco viridia v. roseo- 



tincta, chartacea, interiora margine lato tenuiora. Corollae tubus usque 



ad radios mesopetalos tantum 2 cm. v. vix ultra longus, usque ad 7— 8 mm. 



supra basin obeonicus, dein usque 12 mm. latitudinis (in statu compresso) 



ampliatus, glaber; limbi radii mesopetali lanceolato- lineares, usque 6 cm. 



longi, nervis 3 crassioribus , 2 tenuioribus percursi; areae commissurales 



tenuiores, nervis e margine radii mesopetali oblique abeuntibus tenuissimis 



notatae. Stamina er. 4 mm. supra basin corollae inserta, inclusa; filamenta 



1,5 — 2_mm. longe supra basin pilis articulatis obsessa, caeterum glabra, e 



basi latiore filiformia, inaequilonga 7— 12 mm. longa; antherae in Vb-Vt 



alt. affixae, hneaxes, 4,5 — 5 mm. longae, apice obtusae. Discus basm 



ovani cmgeus, 0,7 mm. longus, ö-lobus, carnosus. Stylus 15-18 mm. 



longus, e basi sensim attenuatus, filiformis; stigma transversim ovale bilobum 



tuöerculatum. Ovarium ovatum, 2-loculare, ovulis in quoque loculo 2. 



ffructua 8 mm. longus, 5 mm. crassus, ovalis, apice rotundatus. Semma 



anguste obovato - oblonga , 5-6 mm. longa, superne er. 2 mm. crassa, griseo- 



nigrescenüa , ^ lana perbrevi vix 0,3 mm longa 



f f. ^^' ^^ ^^^^Vao e. gr. ad Fort Nassau, ad Savonet, m. Jan. ü- 

 et IT.: Ravn (mus. Haun.), Read, Ryan (mus. Haun.), Suringar. Prae- 

 terea m Columbiae districtu St. Martha (Bertero). 



i 



