134 LEGUMINOSAE. 
LEUCAENA. White Popinac. 
(Family Leguminosae). 
Tender graceful trees: ever- 
green. Twigs moderate or rather 
slender, terete: pith rather small, 
round, continuous, white. Buds 
solitary, sessile, ovoid, with stipu- 
lar scales only. Leaf-scars alter- 
nate, 2-ranked, somewhat elevat- 
ed, rather small, half-elliptical: 
bundle-traces 3: stipules persist- 
ent at top of the leaf-cushion. 
Leaves abruptly bipinnate with 
numerous small oblong inequilat- 
eral whitened leaflets. The fruit, 
when present, is of long thin le- 
gumes. 
Winter-character references to 
Leguminosae not considered here: 
Caesalpinia sepiaria. Shirasawa, 
234, pl. 2. Calycotome spinosa. 
Schneider, f. 82. Dorycnium suf- 
fruticosum. Schneider, f. 140. 
Hedysarum multijugum. Schneider, f. 72. Indigofera Gerar- 
diana. Schneider, f. 134. Lespedeza bicolor.. Schneider, f. 
73. Ononis fruticosa. Schneider, f. 70. Petteria (Laburnum) 
ramentacea. Schneider, f. 72. 
Twigs light brown, warty, for a time puberulent. L. glauca. 
