LXXV. LEGUMINOS^]. 



365 



STAMENS inserted with the corolla, double in number to the petals, or indefinite ; anthers 

 2-celled. PISTIL generally l-carpelled, becoming a pod or an indehiscent fruit, often 

 jointed. EMBRYO generally exalbuminous. 



SUB-ORDER I. MIMOSE^E, #r. 



A cacia juniper ina. 

 Aiidrcecium 

 and pistil. 



Mimosa pudica. 



Acacia laxa. 

 Agglomerated pollen-grains. 



Albizzia. 

 Embryo (mag.). 



Albizzia. 

 Androecium (mag.). 



STEM woody, rarely herbaceous, unarmed or thorny, straight or sarmentose, 

 sometimes aquatic and floating (Neptunia). LEAVES simple (phyllodes) or 2-3-pin- 

 nate, sometimes irritable ; petiole inserted on a small cushion, usually furnished 

 with petiolar or spinal glands; stipules free, caducous, sometimes persistent and 

 spinescent. FLOWERS $ , often polygamous, regular, in a spike or head, rarely in a 

 panicle or corymb. CALYX 4-5-fid or -partite, aestivation generally valvate. PETALS 

 as many as the sepals, inserted on the base of the calyx, or distinctly hypogynous, 

 free (Parkia, Prosopis), or more or less coherent into a tube (Acacia, Mimosa, Inga, 

 &c.), aestivation generally valvate. STAMENS usually double or multiple the petals, 

 very rarely equal (Desmanthus) ; filaments free (Adenanthera, Desmanthus, Entada, 



