105. LEGUMINOSAE 249 



34. Leaves once pinnate, with a terminal leaflet. Calyx campanulate, 



subequally 5-lobcd. Petals subequal, white or red. Ovules numerous 

 Fruit opening by two valves. Shrubs. Flowers solitary or in racemes. 



— Species 8. Madagascar and East Africa Cadia Forsk. 



Leaves twice pinnate. [Tribe DIMORPHANDKEAE.] .... 35 



35. Ovary sdssile or nearly so. Ovules 2. Style very short. Fruit with a 



thin, leathery rind, indehiscent. Seeds suborbicular. Flowers in 

 spikes. - — Species 2. Central Africa to Transvaal. They yield 



gum Burkea Hook. 



Ovary stalked. Ovules more than 2. Fruit with a thick, leathery rind. 

 Flowers in racemes. Trees 36 



36. Calyx-lobes unequal. Petals with a long claw. Stamens with a glandular 



connective. Style long. Fruit long, wavy, indehiscent. Leaflets 

 small. — Species i. Madagascar and Seychelles. Brandzeia Baill. 

 Calyx-lobes subequal. Stamens with a glandless connective. Style 

 short. Fruit oblong, dehiscing bj- two valves. Seeds oblong. Leaflets 

 large. — Species 5. Tropics. They yield timber, tanning and dyeing 

 materials, medicaments, and poisons especially used in ordeals. " Sassy 

 tree." {Fillaea Guill. & Perr.) Erythrophloeum Afz. 



37. (30.) Corolla of 6 petals, almost regular. Stamens 16 — 18. Ovary sessile. 



Ovules 2. Leaves unifoliolate. — Species 2. West Africa to the 



Great Lakes. They yield timber Baphiopsis Benth. 



Corolla reduced to a single petal or wanting. Ovary stalked. Ovules 

 more than 2. Leaves pinnate 38 



38. Receptacle (calyx-tube) very short, almost wanting. Petal i. Fruit linear. 



— Species 2. Tropics. Yielding timber. [Toiinatea Aubl.). 



Swartzia Schreb. 



Receptacle bell-shaped. Petals none. Fruit ovate. — Species i (C. 



africana Lour.). Central Africa. Yields timber, gum, edible fruits, 



and medicaments Cordyla Lour. 



39. (29.) Leaves, at least some of them, twice pinnate. [Tribe CAESAL- 



PINIEAE.] 40 



Leaves all once pinnate, rarely simple 52 



40. Common petiole very short, ending in a spine ; rachis of the pinnae very 



long, flattened, leaf-hke ; leaflets vei-y small. Stipules spinous. 

 Trees or shrubs. Calyx imbricate in bud. Petals 5, subequal, yellow. 

 Stamens 10. Ovules numerous. Fruit linear, tardity dehiscing or 

 indehiscent. Seeds oblong, placed lengthwse, albuminous. — Species 2 

 one of them a native of South Africa, the other naturalized in the tropics 

 They yield timber, bast for paper-making, a substitute for coffee, and 

 medicaments, and serve also as garden- or hedge-plants. 



Parkinsonia L. 

 Common petiole distinctly developed ; rachis of the pinnae not leaf-like. 41 



41. Stem herbaceous or woody at the base only. Petals 5, subequal, yellow. 



Stamens 10. Ovules numerous. Fruit dehiscing by two valves, 



