546 BULLETIN DE L'HERBIER BOISSIER. (344) 



capsula glabra, 4-valvis, 2-locularis, 4-sperma, saepto tenuissimo mem- 

 branaceo pellucido, seminibus trigonis cinereis pulverulentis subvelu- 

 tinis. 



Gaulis usque 3 mm crassus; petiolus usque 7 cm longus; folio- 

 lum intermedium cum peliolulo usque ultra 5 cm longum, 2 cm latum; 

 pedunculus plerumque ca. 5 mm, raro usque 45 mm longus et lunc 

 plurilïorus; pedicellus 10-15 mm longus; sepala floralia 5 mm 

 longa, 2 mm lata; corolla fere 2 cm longa, tubo 1 cm longo, 3 mm 

 lato, limbo usque 25 mm lato; capsula ca. 8 mm diametro. 



a. albiflora Hallier f. — Rami decumbentes, vix 2 dm longi; 

 corolla alba. 



Abyssinien (Schimper 1853, no. 321, Hb. Boiss., Hb. Kew.); Tacasse- 

 thal (Dr. Steudner, no. 954, Hb. Berol.); Somak, Efat, in cultis (Hb. E. 1. 

 G. IV. 1842, no. 422, Hb. Kew. — « Planta annua, humilis, erecta. Corolla 

 alba. Stamina 5. Stigma 2-fidum, rubrum»). 



ß. purpurea Hallier f.- — Volubilis; rami elongati, fiagellares, 

 complurium metrorum longitudine, internodiis longissimis, usque 2 dm 

 longis; corolla lsete purpurea. 



Âmboland, im Waldesscbatten an den Ufern der Omiramba zwischen 

 Ondonga und Uukuambi (M. Rautanen, 17. IV. 1894, no. 177; 25. IV. 1894, 

 no. 179 und 26. III. 1889, n° 192 und 193, Hb. Tur.). 



Kalachari, Ngami-See, bei Kaphei an Sträuchern windend, Mitte Mai 

 bereits völlig verblüht (Dr. Fleck 1891, no. 186 a, Hb. Tur.). 



Transvaal, Boshveld, Elandsriver [Neu Halle] (Rehmann no. ,4894, 

 Hb. Tur.). 



Natal, «Thorns» near Mooiriver, sandy soil, 3-4000 ft. (J. Medley 

 Wood 13. IV. 1891, no. 4428 und 14. IV. 1894, no. 5290, Hb. Tur. — 

 « Flower pink or purple »>). 



Ipomœa cairica (L. 1759) Sweet Hort. Brit. ed. I (1827), p. 287; 

 Hallier f. in Engler Jahrb. XVIII (1893), p. 148 excl. specim. Baron, no. 

 4221 /. venosam R. et Sch. (I. Hornei Baker) exhibente. 



var. hederacea Hallier f. — Folia hederacea, angulato-quinqueloba, 

 lobis oblusis mucronulatis, intermedio magno, lateralibus 4 compluries 

 minoribus brevissimis; foîiola axillaria (stipulée spurise) ovata, acuta, 

 acute dentata; notis ceteris et prœcipue floribus et foliorum nervis cum 

 typo exacte congruens. 



Madagascar, thicket near Lake Gloreto, Port Dauphin (G. F. Scott 

 Elliot, july, no. 3018, Hb. Kew.). 



