no LEGUMINOSAE. 



large papilionaceous flowers in stalked axillary clusters ; and 

 thin-walled inflated stalked few-seeded legumes. 

 Leaves flat. C. arborescens. 



Leaves crisped. C. arborescens crispa. 



Leaves concave. C. arborescens bullata. 



HALIMODENDRON. Salt Tree. 



Deciduous armed shrubs with moderate roundish twigs ; 

 roundish pale continuous pith ; alternate raised crescent-shaped 

 leaf-scars with I bundle-trace ; minute stipule scars ; ovoid sessile 

 buds with several exposed scales ; abruptly pinnate small leaves 

 with the rachis ending in a spine beyond the few leaflets ; rather 

 large rosy papilionaceous perfect flowers, slender-stalked on 

 swollen short spurs ; and short slender-stalked swollen legumes 

 with several small rounded seeds. 

 Leaflets bristle-tipped. H. halodendron. 



CARAGANA. Pea Tree. 



Deciduous shrubs often with leaf- or stipule-spines ; mod- 

 erate or slender often angled twigs ; angled often spongy or 

 evanescent pale pith ; alternate raised small crescent-shaped leaf 

 scars with i bundle-trace, flanked by persistent stipules ; ovoid 

 rather large and appressed solitary sessile buds with several 

 exposed scales ; abruptly pinnate or subdigitate leaves with 

 rather small entire often mucronate leaflets and prolonged 

 rachis ; perfect moderate-sized yellow papilionaceous flowers 

 usually in small clusters from axillary spurs ; and not greatly 

 swollen legumes. 



1. Stipules and rachis-tip bristle-like : leaves digitate. C. f rutex. 

 Stipules pungent : rachis bristle-like : leaves pinnate. 2. 

 Rachis pungent-tipped. 3. 



2. Leaves short, elliptical-obovate. C. arborescens. 

 Leaves elongated, linear-spatulate. C. arborescens Lorbergii. 



3. Rachis persisting as a spine after fall of leaflets. C. spinosa. 

 Rachis not persistent : leaflets few. 4. 



4. Leaflets distinctly pinnate. C. Chamlagu. 

 Leaflets appearing digitate, narrow. C. pygmaea. 



