390 179- COMBKl'lACEAE 



5. Petals absent. Sepals 5 6- 



Petals present, sometimes minute, rarely absent, but then sepals 4. . 7 



6. Calyx campanulate, divided down to the ovary, wing-like in fruit. Cotyle- 



dons twisted. Climbing shrubs. Flowers in panicled spikes. — Species 



I. Madagascar Calycopteris Lam. 



Calyx tubular-campanulate, lobed or cleft, net-veined, corolla-like, de- 

 ciduous. Fruit woody. Cotyledons Hat. Flowers in heads or short 

 spikes. — Species g. Madagascar. (Under Comhretum L.) 



Calopyxis Tul. 



7. Flowers ebracteate, arranged in heads which are subtended by 4 involucral 



bracts. Sepals persistent. Petals 5, strap-shaped. Stamens to. 

 Ovules 4 — 6. Fruit elongate, spindle-shaped, obscurely 5-angled, clothed 

 with long hairs. Erect shrubs or trees. Leaves opposite, dotted. 

 — Species i. Central Africa. L^sed medicinally. Guiera Adans. 

 Flowers bracteate, arranged in spikes or racemes. Sepals deciduous. 

 Fruit winged or angled . 8 



8. Flowers poh^gamous (hermaphrodite and male). Fruit 2-, rarely 3 — 4- 



winged, indehisccnt. Trees or erect shrubs. — Species 5. Central 

 Africa to Delagoa Bay. (Under Combrctiim L.) . Pteleopsis Engl. 

 Flowers hermaphrodite. Fruit 4 — 5-winged or 4 — 5-angled. ,..()■ 

 Q. Calyx-tube above the ovary very long and thin, filiform ; style adnate to it. 

 Ovules 3 — 4. Flowers 5-merous. Fruit dehiscing at the top along the- 

 5 angles. Climbing shrubs. Lower leaves alternate, upper opposite. 

 • — Species 3. Tropical and South-east Africa. Used as ornamental or 



medicinal plants Quisqualis L. 



Calyx-tube not elongate-filiform. Ovules 2 — 3 ; funicles equal in length. 

 Fruit indehiscent. Leaves opposite or whorled, sometimes intermixed 

 with alternate ones. - — Species 230. Tropical and South Africa. Some 

 species yield timber, gum, tanning and dyeing materials, arrow- poison, 

 medicaments, and fatty seeds'; several serve as ornamental plants. 

 (Including Cacoitcia Aubl., Campylodiiton Welw., Campylogync Welw., 

 and Poivrea Comm.) (Plate 113.) Combretum L. 



10. (4.) Flowers and fruits in globose heads. Receptacle (calyx-tube) pro- 



longed above the ovary into a stalk. Calyx-lobes 5, reflexed. Ovules 2. 

 Fruits erect or spreading, flat, 2-winged, produced into a long beak ; 

 pericarp corky. Shrubs. — Species i. Central Africa. Yields timber,, 

 dyes, a substitute for soap, and medicaments. . . . Anogeissus Wall. 

 Flowers and fruits in sometimes ovate, usually panicled spikes. Receptacle- 

 not much prolonged. Fruit not long-beaked but sometimes acuminate ; 

 pericarp leathery or drupaceous 11 



11. Fruits crowded in a cone, bent downwards, flat, 2-winged, acuminate ; 



pericarp leathery. Flowers in short panicled spikes, 5-merous. Calyx- 

 lobes erect. Ovules 2. — Species 2. Central Africa. They yield 

 timber, tanning materials, and medicaments. . . Conocarpus Gaertn.. 



