THE FLORA. OF THE NORTHBEN TERRITORY. 121 



Flowers small, single, scattered in a loose raceme, the rachis not nodose. 

 Bracts small, deciduous (lower flowers often solitary in the axUs). Seeds not 

 strophiolate. — 44. Glycine. 



Trees or tall erect herbs with conical prickles. Flowers large, red. Wings 

 very short. — 45. Erythrina. 



Anthers alternately long and short. Flowers large, purple yellow or white. 

 Standard short. Keel acuminate. — 46. Mucuna. 



Twining or erect at the base, not glandular. Flowers in pairs or clusters 

 along or at the top of a common peduncle, the rachis of the cluster gland-like or 

 forming a protruding node. Bracts deciduous or none. Anthers uniform. 

 Style beardless. 



Calyx-lobes 4 (the upper one of 2 united), acuminate. — 47.- Galactia. 

 Calyx 2 upper lobes united in a large upper Up, the 3 lower 

 minute. — 48. Canavaha. 

 Style bearded under the stigma. 

 Stigma oblique or lateral. 



Keel spirally twisted. — 53. Phaseolus. 



Keel straight, or with a curved beak not forming a complete 

 spire. — 54. Vigna. 

 Stigma small, terminal. — 55. Dolichos. 



Twining or erect. Flowers racemose, umbellate or soUtary, the rachis not 

 nodose. Bracts usually membranous and deciduous. Stipelke usually minute 

 or none. Style beardless. Upper stamen free. 

 Ovules 4 or more. — 49. Cantharospermum. 

 Ovules 2 or rarely 1. 



Pod flattened. Hilum of the seed parallel to the suture with a 



central funicle. — 50. Rhynchosia. 

 Pod flattened. Seed obhquely transverse, the funicle attached to one 

 end of the hilum. Standard usually very sUky — 51. Eriosema. 

 Pod turgid. Leaflets digitate. — 87. Moghania. 



Erect. Flowers small, in terminal racemes or panicles. 



Stipules dry, and habit of Desmodium. — 52. Pycnospora. 

 Twiners. Leaves abruptly pinnate with small leaflets. Upper stamen 

 wanting, the other 9 united in a sheath open on the upper side. — 

 42. Abrus. 



Tribe VII. Dalbergiece. — ^Trees or woody chmbers. Leaves pinnate with 

 five or more leaflets or sometimes one leaflet, very rarely three. StipeUse none 

 or small and subulate. Stamens all united in a sheath or tube or into two 

 parcels of five, very rarely the upper one free. Pod indehiscent. 



Pod flat, thin or coriaceous, one or both sutures edged with a narrow 

 wing. — 41. Derris. 



Pod flattened but thick, with obtuse sutures. — 40. Galedupa. 



Tribe VIII. Sophorece. — ^Trees, woody climbers, or rarely tall shrubs or 

 almost herbaceous. Leaves piimate, with several leaflets, without stipellse, or 

 reduced to a large leaflet. Stamens all free or scarcely united at the base. — 

 49. Castanospermum. 



Sub-order II. Caesalpiniece. — Flowers usually 5-merous. CoroUa ir- 

 regular or nearly regular, imbricate in the bud, the upper petal inside. Stamens 

 (in the Austrahan genera) 10 or fewer and all free. Radicle usually straight. 



Leaves twice pinnate, often with hooked prickles. Stamens 10, all bearing 

 anthers. — 12. Peltophorum. 



