LEGUMINOSA-MIMOSEZ. 63 
13. Neptunia Lour.—Flowers of Dichrostachys, upper flowers 
hermaphrodite, lower usually male or neuter. Stamens 10 or more 
rarely 5. Gynzceum of Prosopis ; stigma terminal concave. Legume 
obliquely oblong, inclined to stalk, plano-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 (Zropical and sub- 
tropical America, Asia, and Africa).—See p. 29. 
II. EUMIMOSEA. 
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 «. Germen 
sessile or shortly stipitate ; style terminal; apex truncate or capitate, 
stigmatiferous ; ovules 2— o, 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, plano-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 stipel- 
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 (Zropical 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 
