30S 119. MALPIGHIACEAE — 120. POLYGALACEAE 



Stigma small, at the slightly or not thickened style-apex. Usually a 



single style perfectl}^ developed 15 



15. Flowers distinctly irregular. Calyx with a large gland. Petals fringed. 

 Mericarps with a 3-parted side-wing. — Species 2, one a native of West 

 Africa, the other one naturalized in the Mascarene Islands. Ornamental 

 plants. {Gaertncra Roxb.) . Hiptage Gacrtn. 



Flowers more or less regular. Calyx with several small glands or without 

 glands. Petals entire. Mericarp with a stellate, many-parted side- 

 wing. — Species 17. Madagascar, East and South-east Africa. 



Tristellateia 1 houars 



SUBORDER POLYGALINEAE 



FAMILY 120. POLYGALACEAE 



Leaves simple, entire. Inflorescence racemose, bracteolate. Flowers ir- 

 regular. Sepals 5, the two inner usually petal-like. Petals 3 — 5, more or less 

 adnate to the staminal tube, the lowest more or less concave and boat-shaped. 

 Stamens 5 — 8. Filaments more or less united. Anthers attached by the base, 

 at length one-celled, opening towards the apex. Ovary superior, i — 3-celled. 

 Ovule I in each cell, pendulous, inverted. Style simple or 2-cleft, usually 

 curved and flattened. — Genera 6, species 240. (Plate 78.) 



1. Petals 5, all well-developed, unappendaged. Stamens 5. Ovary 2 — 3- 



celled 2 



Petals 3, 4, or 5, two of which are rudimentary. Stamens 6 — 8. Ovary 

 I — 2-celled 3 



2. Petals unequal, clawed, the lowest boat-shaped. Stigma capitate. Fruit 



a drupe. Seeds ellipsoid. — Species 3. West Africa. They yield 



timber, edible fruits, and medicaments Carpolobia Don 



Petals subequal, sessile, the lowest not boat-shaped. Stigma puncti- 

 form. Fruit a nut. Seeds globose. • — Species 4. West Africa. (Under 

 Carpolobia Don) Atroxima Stapf 



3. Ovary i-celled ; a second rudimentary cell sometimes present. Stigma 



entire or lobcd. Sepals unequal. Concave petal with an appendage. 

 Stamens 8. Fruit a winged nut. Seeds without an aril, exalbuminous. 

 Shrubs or trees. — Species 3. Central and South Africa. They ^-ield 

 bast-fibres, soap-bark, oilj^ seeds, and medicinal drugs ; the roots are 

 said to be poisonous. {Lophostylis Höchst.) (Plate 78.) 



Secuiidaca L. 

 Ovary 2-celIed. Fruit a capsule or a drupe 4 



4. Sepals subequal. Concave petal with an appendage. Stamens 7, rarely 



8. Style almost straight. Fruit a capsule. Seeds with an aril, al- 

 buminous. — Species 60. South Africa to Nyasaland. Muraltia Neck. 

 Sepals unequal, the two inner usually wing-like 5 



5. Fruit a drupe. Seeds albuminous. Style almost straight. Stamens 7, 



rarely 8. Filaments united quite or nearly to the top. Concave 



