542 BULLETIN DE L'HERBIER B0ISS1ER. (340) 



glabra, globosa, acuta, styli basi apicata, 4-valvis, 2-locularis, 4-sperma, 

 ssepto tenuiter membranaceo, nitido, pellucido, sepise colore; semina 

 obtuse trigona, atra, glabra, opaca. 



Rami ultra 1 m longi, internodiis 4-12 cm longis; folii petiolus 

 usque 5 cm longus, lamina usque 7 cm longa, 5 cm lata; pedun- 

 culus subnullus vel usque 45 mm longus; pedicellus ca. 13 mm, 

 calyx ca. 3 mm longus; corolla ca. 23 mm longa, tubo medio ca. 

 5 mm lato, limbo ca. 2 cm lato; capsula ca. 7 mm longa. 



var. hispida Halliep, f. — Bracteolse et calyces pilis tenuibus gri- 

 sais patentibus hispidi. 



Kongo (Alfr. Dewèwre n° 357, Hb. Brux.); Bingila, Savanne 

 P. Düpuis, Hb. Brux.). 



var. glaforata Hallier f. — Bracteolse et calyces glabrati. 



Ashanti-land (H. A. Cummins 1895-6, Hb. Berol.); Kamerun, Jaunde- 

 station (Zenker, April 1890-92 n° 506, Hb. Berol.). 



ïpomœa Barteri Baker in Kew Bull. n° 86 (IÏ. 1894), p. 70. 



Herba gracilis, volubilis, Ipomœae elongatœ Choisy, gracili R. Br., lit- 

 torali Boiss. non Bl., procumbenti Mart.. procurrênti Meissn., rubro-viridi 

 Baker aliisque arcte affinis; caules tenerrimi, teretes, filiformes, sicut 

 peiioli et nervorum foliarium facies infera flavescenti-pilosi vel glabres- 

 centes; folia petiolo gracili + longo suffulta, ovato- vel lineari-lanceo- 

 lata, sensim in acumen anguste obtusatum mucronatum attenuata, her- 

 bacea, supra glabra, herbaceo-viridia, subtus glauco-viridia, pinninervia 

 et parce reticulato-venosa, nervis lateralibus utrinsecus 4-5 ascenden- 

 tibus; pedunculi axillares, solitarii, uniflori. brevissimi, teretes. pilo- 

 suli vel glabrati, apice bracteis 2 minutis subulatis instructi; pedicellus 

 pedunculo compluries longior, carnosus, subclavatus, glaber, nigricans, 

 exsiccando rugoso-angulosus; sepala 5 parva, oequalia, ovata, acuta, 

 glabra, extus verrucosa, herbacea; corolla speciosa, longa, infundibulari- 

 tubulosa, glabra, pallide purpureo-lilacina (?); fascise mesopetalse 5-nervise, 

 a segmentis commissuralibus distincte limitatae; genitalia inclusa; 

 pollen ut omnino in Convolvnlaceis Echinoconiis ; Stylus integer; 

 stigma capitatum. 



Gaules usque 1/2 m longi, vix 1 mm crassi, internodiis usque 1 dm 

 longis; folii petiolus 3-15 mm longus, lamina usque 6 cm longa, 

 usque ultra 2 cm lata; peclunculus 2-5 mm, pedicellus 12-15 mm 

 longus; sepala 6 mm longa; corolla usque ultra 5 cm longa; Stylus 

 25 mm longus. 



