LEGUMINOSEAE 177 



Sub-family III Papilionatae. Flowers papilionaceous, corolla imbricate, 

 the upper petal (standard) larger and inclosing the other petals; 

 stamens 5-10, included. 



I. Stamens 10, distinct. 



A. Flowers in racemes: 



1. Pods moniliform, seeds brown Sophora. 



2. Pods linear, 2 valved, sometimes septate; seeds scarlet. 

 Ormosia. 



B. Flowers in panicles: 



1. Winter buds inclosed in the enlarged base of the 

 petiole; leaflets alternate; panicles drooping. .Cladrastis. 



2. Winter buds free; leaflets opposite; panicles upright. 

 Maachia. 



II. Stamens 9-10, monadelphous; pods ligulate indehiscent, mem- 

 branous, thin and flat, apiculate, 1-4 seeded Dalbergia. 



ALBIZZIA 



Trees or shrubs with large bipinnate leaves composed of numerous 

 small leaflets. Flowers regular, perfect or polygamous in axillary spikes 

 or heads, the heads sometimes panicled. Calyx tubular or campanulate, 

 5 toothed; corolla small, funnel-shaped; stamens numerous, longer than 

 the corolla, more or less united at the base. Fruit a linear, thin, flat, 

 leathery pod. 



About 50 species in the tropics and the subtropic regions of the Old 

 World. They are thornless trees more or less closely allied to the 

 acacias, chiefly interesting for their graceful, feathery foliage and 

 yellow and white or pink, usually capitate flowers. 



Albizzia julibrissin Durazzini. 



Tree 7-16 m. tall with smooth, pale gray bark and reddish-brown 

 branchlets. Leaves 20-50 cm. long, glandular at the base of the rachis, 

 with 8-24 pairs of pinnate and numerous small, oblong, oblique leaflets. 

 Flowers pink with stamens over 2.5 cm. long, crowded in a short 

 peduncled head about 5 cm. in diameter. Pods 10-25 cm. long, tapered 

 at both ends, papery. 



