219- RUBIACEAE 529 



119. (113.) Calyx shortly toothed. Anthers included or nearly so. Seed- 



coat pitted. Stipules united at the base. — Species 25. Tropics. 



Bertiera Aubl. 

 Calyx deeply divided, with leaf-like segments 120 



120. Anthers projecting beyond the corolla-tube, with several-chambered 



halves. Corolla funnel-shaped. Fruit fleshy. Seed-coat smooth. — 



Species 2. West Africa Dictyandra Welw. 



Anthers included within the corolla-tube or nearly so, with 2-chambered 

 halves. Corolla salver-shaped 121 



121. Fruit fleshy. Seed-coat smooth. (See 104.) Leptactinia Hook. fil. 

 Fruit dry or nearly so. Seed-coat pitted. — Species 7. Central Africa. 



Heinsia DC. 



122. (93.) Ovules 2 — 4 in each ovary-cell. Calyx 5-toothed. Corolla funnel- 



shaped. Anthers exserted. Style simple. Flowers in axillary clusters. 



— Species i. Central Africa. Yields fish-poison. (Under Randia 

 Houst.) Morelia A. Rich. 



Ovules numerous in each ovary-cell 123 



123. Flowers in lateral inflorescences. Disc cushion-shaped. Fniit clothed 



with long hairs. Seeds with a fleshy aril. — Species i. Southern 



West Africa (Angola) Chalazocarpus Hiern 



Flowers in terminal clusters. Disc rather flat. Calyx irregularly toothed. 

 Corolla yellow, 8-lobed. Style 4-cleft at the top. Leaves very large. 



— Species i. Equatorial West Africa (Cameroons). {Tetrastigma 

 K. Schum.) Schumanniophyton Harms 



124. (81.) Fmit a berry or a nut with a leathery skin. Seeds numerous, 



small : testa netted or dotted. [Tribe MUSSAENDEAE.] . . .125 



Fruit a capsule or a schizocarp, rarel}^ (Oldenlandia) an achene or nut 



with a membranous or crustaceous skin. Ovary 2-ceIled, rarely {Penta- 



carpaea) 5-celled. Flowers small 133 



125. Corolla-tube short. Style entire or toothed at the apex. Shrubs or trees. 



Inflorescences without an involucre 126 



Corolla-tube long. Style more or less deeply cleft 128 



126. Flowers in terminal clusters. Calyx 5-parted. Ovary 2-celled. Twining 



shrubs. — Species i. Southern West Africa (Angola). Justenia Hiern 

 Flowers in axillary inflorescences. Calyx 4 — 7-toothed 127 



127. Corolla urn-shaped. Anthers shghtly exserted. Ovary 2-celled. Flowers 



solitary or in pairs. — Species 2. West Africa. Pauridiantha Hook. fil. 



Corolla wheel- or funnel-shaped. Anthers included. Ovary 4— 7-celled. 



Flowers in panicles or heads. — Species 20. Tropics. Some species 



yield dyes Urophyllum Wall. 



128. Flowers in terminal panicles. Calyx 5-toothed or 5-lobed ; one of the 



segments in several flowers of each inflorescence leaf-Hke enlarged and 

 brightly coloured. Stamens inserted at the throat of the corolla. Ovary 



2L 



