LEGUMINOS #-MIMOSEZ. 67 
between the juga; usually 1 interfoliolar gland; stipules minute 
caducous, or more rarely broad lanceolate persistent ; Howers in 
globose umbels, or heads, or short or more rarely elongated and 
loose spikes ; .peduncles solitary or fascicled axillary, or more rarely 
in racemes at extremities of branches (Zropical South America). 
See p. 42. 
22. Calliandra Bentu.—Flowers 5-, 6-merous, hermaphrodite or 
polygamous (of Jmga); stamens much exserted. Legume linear, 
straight or more rarely slightly falcate, plano-compressed with 
thickened margins or more rarely subterete, 2-valved; valves 
bending back from apex to base by elasticity on dehiscence; endo- 
carp containing no pulp.—Small trees or shrubs; leaves 2-pinnate ; 
stipules usually persistent, membranous or spinescent, more rarely 0 ; 
umbellate or capitate inflorescence of Inga (Tropical and subtropical 
America, Kast Indies).—See p. 43. 
23. Lysiloma Bznta.—Flowers 5-merous polygamous (of Calli- 
andra; stamens oc, rarely few (12-25), monadelphous at base. 
Legume (of Acacia) linear, or more frequently broad, straight, or 
falcate, plano-compressed submembranous, continuous within ; valves 
separating at maturity from entire persistent sutures.—Trees or 
shrubs, unarmed; leaves 2-pinnate; flowers in globose heads or 
cylindrical spikes; peduncles axillary, solitary or fascicled, or more 
rarely in short racemes (Zropical and subtropical America). See p. 43. 
24. Pithecolobium Mart.—Flowers hermaphrodite or poly- 
gamous (of Inga or Calliandra). Legume flat or compressed, almost 
straight, or more frequently falcate or twisted, coriaceous thick or 
subcarnose, 2-valved or more rarely indehiscent, or separating into 
1-seeded segments ; valves usually finally twisted (but not curling up 
elastically). Seeds lodged in thin pulp.—Trees or shrubs, unarmed 
or spinescent; 2-pinnate leaves and inflorescence of Calliandra 
(Zropical America, Asia, Africa, and Australia). See p. 44. 
25. Enterolobium Marr.—Flowers of Puthecolobium. Legume 
broad, circinate or curved reniform, compressed, thick, hard septate 
between thick seeds, indehiscent.—Trees, unarmed; leaves 2-pinnate 
(of Pithecolobium) ; heads globose pedunculate axillary, solitary or 
+ 
Fu 
