Conzattia multiflora (Robinson) Standl.

Conzattia arborea Rose, Contr. U. S. Nat Herb. 12: 408. 1909.
A shrub, or a tree 5-8 m. high, the trunk up to about 3 dm. in diameter, the twigs glabrous. Stipules minute; leaves 2-3 dm. long; pinnae 10-15 pairs; leaflets 7-22 pairs, 8-15 mm. long, 2.5—4 mm. wide, obtuse, mucronulate, glabrous on both sides, or puberulent beneath when young; racemes 6-12 cm. long, long-peduncled, glabrous, many-flowered; pedicels 6-7 mm. long, jointed near the top; calyx glabrous, about 6 mm. long; petals 7-S mm. long, obovate; legtune 8-15 cm. long, 10-15 mm. wide, narrowly winged, glabrous.
Type locality-: Near Tehuacan, Puebla. Distribution: Puebla; Oaxaca.

Conzattia multiflora (B. L. Robinson) Standley, Contr. U. S. Nat Herb. 231:427. 1922.
Caesalpinia multiflora B. L. Robinson, Proc. Am. Acad. 27; 167. 1892.
A medium-sized tree, the twigs and petioles short-pubescent. Leaves 1-2 dm. long; pinnae 5-10 pairs; leaflets 10-18 pairs, 8-12 mm. long, 3-4 mm. wide, obtuse, mucronulate, finely appressed-pubescent on both sides; racemes short-peduncled, 10-15 cm. long, glabrous; pedicels 8-10 mm. long, jointed above the middle; calyx about 6 mm. long; petals 8-10 mm. long.
Type localit-: Monte Le6n Pass, Michoacan. Distribution: Known only from the type locality.