LEGUMIN082E-MIM0SE2E. 63 



13. Neptunia Lour. — Flowers of Dichrostachys, upper flowers 

 hermaphrodite, lower usually male or neuter. Stamens 10 or more 

 rarely 5. Gynseceum of Prosopis ; stigma terminal concave. Legume 

 obliquely oblong, inclined to stalk, piano-compressed membranous- 

 coriaceous, 2-valved, spuriously subseptate within between trans- 

 versely-compressed seeds. — Perennial herbs or diffuse or prostrate 

 undershrubs, often floating ; twigs compressed or triquetrous ; leaves 

 2-pinnate ; leaflets small ; petiole rarely glandular : stipules mem- 

 branous, obliquely cordate ; flowers in ovate-globose, more rarely 

 obovate, pedunculate axillary solitary heads ; lower neuter or male 

 flowers containing long petaloid coloured filaments (Tropical and sub- 

 tropical America, Asia, and Africa). — See p. 29. 



II. EUMIMOSEiE. 



14. Mimosa L. — Flowers 4-, 5-, more rarely 3-, 6-merous, her- 

 maphrodite or polygamous ; receptacle shortly concave. Calyx 

 gamosepalous membranous toothed, valvate, or else paleaceous-ciliate, 

 more rarely nearly absent. Petals connate to a variable height, valvate. 

 Stamens as many or twice as many as petals, free exserted ; anthers 

 2-celled, introrsely rimose glandless ; pollen-grains oo. Germen 

 sessile or shortly stipitate ; style terminal ; apex truncate or capitate, 

 stigmatiferous ; ovules 2- oo, descending ; micropyle extrorse superior. 

 Legume oblong or linear, compressed or more or less thickened, 

 membranous or coriaceous, continuous or septate within ; valves 

 either separating entire from continuous margin, or divided by 

 transverse articulations. Seeds ovate or orbiculate, piano-compressed, 

 often albuminous.— Herbs or shrubs, sometimes climbing; more 

 rarely trees, unarmed or prickly; leaves 2-pinnate, more rarely 

 phyllodes, often sensitive ; petioles rarely glandular, usually stipu- 

 late ; stipules lateral membranous or very small ; flowers in spikes 

 or globose heads ; heads axillary, solitary or geminate (i.e., on either 

 side of a short axillary twig), rarely fascicled, sometimes racemose 

 at extremities of twigs (Tropical America, Asia, and Africa). — 

 See p. 30. 



15. Schranckia W. — Flowers 4-5-merous (of Mimosa). Legume 

 linear, prickly on all sides, acute or acuminate at apex ; valves 



