Neptunia.'] LEGUMINOSAE. 415 



Tribe XIY. ADENANTHEREAE. Stamens definite, the anthers 

 gland-crested at least in an early stage : 

 Flowers in globose heads : 



Small herbs or undershrubs with small thin pods and small 

 leaflets ; lower flower neuter, the stamens reduced to elongate 



staminodes; seeds albuminous 76. Neptunia. 



Large trees with thick woody pods and large leaflets ; all or nearly 



all the flowers perfect; seeds exalbuminous 77. Xylia. 



Flowers in elongate spikes : 



Large tendril-bearing climbers with very large broad pods and 

 seeds; leaflets large and few; seeds exalbuminous ...78. Entada. 

 Erect trees or shrubs with narrow pods and many leaflets ; seeds 

 albuminous : 



Unarmed trees with shortly stalked flowers and bright red 



seeds ; leaflets fairly large 79. Adenanthera. 



Prickly trees or large shrubs with sessile flowers : 



Pods turgid, straight; leaflets distant 80. Prosopis. 



Pods thin, twisted ; leaflets minute, contiguous 



81. Dichrostachys. 



Tribe XY. EUMIMOSEAE. Stamens definite, the anthers not gland- 

 crested; seeds albuminous: 



Pods straight, coriaceous, continuous, dehiscing at the sutures : 



Undershrubs with clavate stigmas Desman th us . 



Large shrubs or small trees with capitate stigmas Leucaena. 



Pods curved, with segmented valves and indehiscent sutures 



82. Mimosa. 

 Tribe XVI. AGAGIEAE. Stamens indefinite, seeds exalbuminous : 



Stamens free; flowers capitate or spicate 83. Acacia. 



Tribe XVII. INGEAE. Stamens indefinite, monadelphous, rarely 

 only 2-3 times as many as the petals ; seeds exalbuminous : 

 Leaves bipinnate : 



Pods not septate between the seeds : 



tPods straight, with thin valves 84. Albizzia. 

 Pods curved or twisted with coriaceous valves 

 85. Fithecolobium. 

 Pods septate between the seeds Enterolobium. 

 Leaves simply pinnate 86. Inga. 

 76. Neptunia, Lour. 



Annual or perennial herbs or undershrubs, erect, prostrate or 

 floating, the branches often compressed or angled. Leaves bi- 



