488 DICOTYLEDONEJE. VEPREGCELLA . 
17. V. sehizocarpa (Baker! in Journ. of Bot. 1882, p. 112); 
ramis teretiusculis, glaberrimis; foliis ovato-oblongis, 5-nerviis, basi 
rotundatis vel subeordatis, utrinque glaberrimis; panieulis parvis, 
paucifloris ; calyce leviter 10-costato, vix furfuraceo. 
Rami satis graciles. Petiolus gracilis, 2-4 cm. longus. Folia rigi- 
diuscula, subintegerrima, 6-9 cm. longa, 2'/,-4 em. lata. Paniculæ 
terminales vel axillares, 1 !/,-2 em. longæ ; pedicelli 5-8 mm. longi. 
Calyx 4-5 mm. longus. Petala 8-9 mm. longa. Antherz 4-4 '/, mm. 
longze, postice minute calcaratze. f 
In Madagascaria (Baron, Humblot). 
IV. Folia 3-nervia vel interdum obscure 5-nervia. Calycis tubus 
costatus. — Spec. 18-20. 
18. V. riparia; glaberrima; ramis obtuse 4-gonis; foliis longe 
petiolatis, late oblongo-lanceolatis, acuminatis, basi subacutis, vix 
undulatis ; calyce 5-costato, minute 5-denticulato. 
Rami robustiuseuli. Petiolus gracilis, 2-6 cm. longus. Folia mem- 
branacea, 1-1 '/, dm. longa, 3 '/,-6 em. lata. Paniculz terminales, 
corymbiformes, pauciflorz, 5-6 cm. longs; pedicelli 2-4 mm. longi. 
Calyx 4 mm. longus. Petala acuta, 1 cm. longa. Antherz 2 '/, mm. 
longe, postice minute tuberculatze. 
In ins. Nossi-Bé ad ripas amnis Passundava (Boivin in hb. Mus. 
Paris.). 
19. V. lanceolata; fere glaberrima; ramis teretiusculis, radi- 
cantibus; foliis breviter petiolatis, lanceolatis, acutis, basi subrotun- 
datis, margine vix undulatis; ealyee 5-eristato, dentibus prominenti- 
bus, dorso late alatis. 
Frutex ut videtur scandens, ramis gracilibus, elongatis. Petiolus 
gracilis, '/,-1 em. rarius 3 cm. longus. Folia submembranacea , 
6-9 em. longa, 1 '/,-3 em. lata. Paniculæ terminales, laxze, late pyra- 
midatz, submultifloræ, 1-1*/, dm. longz; pedicelli 4-3 mm. longi. 
Calycis tubus 4 mm. longus; dentes 1 mm. longi. Petala acuta, 6-7 mm. 
longa. Antherz 3 mm. longe, postice minutissime calcarate. 
In Madagascaria (Lance in hb. Mus. Paris.). 
20. V. biformis (Baker! in Journ. Lin. Soc. XXII, 477); glaber- 
rima; ramis obscure 4-gonis, radicantibus; foliis breviter petiolatis, 
ovatis obovatis vel ovato-oblongis, obtusis, basi rotundatis vel sub- 
cordatis, erenato-dentatis; calyce obscure 10-costato, truncato. 
