A. Cogniaux, Cucurbitaceae africanae, 209 
Luffa L. 
L. cylindrica Roem. var. triangularis Cogn.; foliis ambitu 
anguste triangularibus, majoribus 2 dm longis et ad basin 13—414 cm 
latis, lobis lateralibus brevibus, lobo terminali multo longiore triangulari- 
lanceolato. 
Insel Sansibar (Sruarmann, Coll. I. n. 978). 
Cucumis L. 
C. aculeatus Cogn. n. sp.; monoicus; ramis petiolis foliisque subtus 
ad nervos aculeis longiusculis crassis albidis inaequalibus sparse armatis; 
foliis rigidis, breviter petiolatis, ovatis, integris vel obscure trilobatis, ob- 
tusis vel acutiusculis, basi vix emarginatis, margine remotiuscule spinu- 
loso-denticulatis, supra setulis breviusculis basi tuberculatis, densiuscule 
hirtis, subtus densissime breviterque tomentoso-hirtellis; floribus masculis 
brevissime pedicellatis; calyce longiuseule denseque hirsuto, lobis tubo 
aequilongis; ovario aculeis breviuseulis inferne incrassatis subsparse 
hirsuto. 
Rami satis graciles, sulcati, paulo ramulosi. Petiolus robustiusculus, sulcatus, 1,5— 
2cmlongus. Folia supra laete viridia, subtus cinerea, palmato-5-nervia, 5—7 cm longa, 
4—5 cm lata. Cirrhi graciles, breves, sulcati, leviter hirtelli. Flores masculi geminati 
vel terni. «Calycis tubus 4 nim longus; lobi erecti, subulati, 3—4 mm longi. Corolla 
extus hirtella, segmentis acutis. Flores feminei breviter pedicellati. Ovarium oblongum, 
10—12 mm longum. 
Kilimandscharo: in der Grassteppe unterhalb Usori um 1200 m 
(VoLkENs n. 1972). 
Peponia Naud. 
P. parviflora Cogn. n. sp. ; ramis breviter sparseque hirtellis; foliis 
membranaceis, longe petiolatis, ovato-cordatis, acutis, basi leviter emargi- 
nalis, margine undulato-denticulatis, utrinque breviuscule et densiuseule 
hirtellis; cirrhis simplicibus; floribus maseulis solitariis, parvis, brevissime 
pedicellatis; calycis tubo cylindrico, setis breviusculis subadpressis dense 
hirsuto, dentibus subulatis, tubo dimidio brevioribus. 
Rami graciles, sulcati, elongati, paulo ramulosi. Petiolus satis gracilis, densius- 
cule breviterque hirtellus, 3—7 cm longus. Folia supra intense viridia, subtus paulo 
pallidiora, integra vel obscure 3—5-lobata, 6—8 cm longa, 5—6,5 cm lala; nervi gra- 
ciles, laterales basilares 3—4-furcali, imum sinum distantes.  Cirrhi satis graciles, 
elongati, sulcati, leviter hirtelli. Pedunculus masculus robustiusculus, breviter dense- 
que hirtellus, 5—6 mm longus. Calycis tubus 6 mm longus, 2 mm crassus; lobi 2,5— 
3 mm longi. Petala flavescentia, ovato-oblonga, apice rotundata, dorso pilosa, 6—7 mm 
longa. Staminum filamenta glabra, 2 mm longa; capitulum antherarum oblongo- 
cylindricum, 3 mm longum. Flores feminei paulo majores, Pedunculi fructiferi 2— 
2,5 cm longi. Fructus elliptico-ovoideus, breviter denseque hirsutus, apice longe 
rostratus, 2 cm longus, rostro fere 4 cm longo. 
Kilimandscharo: in Waldparcellen oberhalb des Hochwaldes, am 
Botanische Jahrbücher. XXI. Bd. 14 
LL STE 
