90 LEGUMINOSAE. [ Rhus. 
Styles 2—3, short, with capitate stigmas. Fruit 1'/2—2, ovoid and 
somewhat ationed. tomentose. — Mann, - Haw. Islds. 2. 49, and Enum. 
0. 93 . Sandwicensis, Gray, Bot. U. S. E. E. p. 
Oceurs in prea ge scieee on Oahu! Maui and Hawaii! chiefly in the districts of 
Hilo and Kon ame: «Neneleau». The species, ea) with winged rhachis, 
extends from pag “ Chins and Japan 
Orper XXV. LEGUMINOSAE. 
Sepals combined into a single calyx, more or less divided into 5 or 
fewer teeth or lobes, rarely entirely distinct. Corolla of 5 or rarely fewer 
petals, perigynous or rare ypogynous, very irregu hie in the first sub- 
order, less so in the second, small and regular in the third. Stamens 
twice the number of petals, rarely fewer, or sometimes indefinite, inserted 
with the petals. Ovary single (consisting of one carpel), with 1, 2 or 
more ovules arranged along the inner or upper angle of the smite: 
Style simple. Fruit a pod, usually flattish and opening round the margin 
cemes or gotidi when terminal often becoming leaf-opposed by the 
teral shoot, rarely solitary. 
The largest natural Order next to Compositae, and widely distributed over the whole 
surface of the globe. 
SuBORDER I. Papilionaceae. — Corolla very irregular; the upper petal (standard) outside 
the bud. 
Stamens all united, or the upper one alone free: 
i eaflets : 
Pod continuous, not artic : 
Leaflets digitate or errenesn yf pod inflated : j : : 1. Crotalaria. 
Leafiets tely arranged, the two lateral inserted below 
e neat pion 
Pod 1-seeded, small, reniform, with the veins incurved . 2. Medicago. 
Pod ; 1 or 2-seeded. Inflorescence a kcedees: 
Upper stamen quite free, only co e at the base: 
dard much longer than keel and wings; flowers red 10. Erythrina. 
as | as beaked keel, the wings much 
shorter; flowers red 11. Strongylodon. 
Standard apenas than the nearly equal keel and wings; 
anthers ee flowers green or yellow 12. Mucuna. 
Upper samen on at the base, connate os the middle; 
flowers : 13. Dioelea. 
Pod with more sg A 2 seeds (see 4 also Mueuna): 
Keel spirally twisted ‘ ; 15. Phaseolus. 
are not il eon 
erect undershrub. Standard with 2 callosities . 18, Cajanus. 
