. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 528 Lead Trees. Fig. 488. — Lead Tree. base and with or without a conspicuous gland; there are 3 to 10 pairs of pinnae 6 to 10 cm. long, and rather far apart, the upper scarcely shorter than the others, con- sisting of 10 to 20 pairs of short-stalked leaf- lets which are narrowly oblong to lanceolate, 8 to 15 mm. long, sharp-pointed, obhque at the base, entire, light green, pale underneath. The flowers appear in early spr
. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 528 Lead Trees. Fig. 488. — Lead Tree. base and with or without a conspicuous gland; there are 3 to 10 pairs of pinnae 6 to 10 cm. long, and rather far apart, the upper scarcely shorter than the others, con- sisting of 10 to 20 pairs of short-stalked leaf- lets which are narrowly oblong to lanceolate, 8 to 15 mm. long, sharp-pointed, obhque at the base, entire, light green, pale underneath. The flowers appear in early spring in globose heads to 3 cm. in diameter, in axillary clusters of 2 or 3 or in short terminal ra- cemes, on stout, woolly peduncles to 3 cm. long. The calyx, subtended by a peltate bract, is obconic, i mm. long, its small lobes short, blunt and hairy; petals 5, hnear-spat- ulate and hairy; stamens 10, nearly 3 times the length of the corolla, with large oval anthers; ovary short-stalked and hairy. The pods are linear, 10 to 15 cm. long, about cm. wide, flat, usually in clusters of 2 to 10, often of different lengths, thick-margined, abruptly tapering at the apex, gradually narrowed at the base, brown and shin- ing, splitting readily into 2 valves; seeds compressed, obovate, 8 to 10 mm. long, rounded at the apex, narrowed at the base, bright brown and shining. The wood is hard, close-grained and hght brown. This plant is very common in the Ameri- can tropics; horses are said to lose their tails and manes if they browse on the foli- age. ,The seeds are used as beads with those of Abrus precatorius Linnaeus, Prayer beads, and other seeds, in fancy work on some of the West Indian islands. 3. GREGG'S LEAD TREE Lencsena Greggii Watson A small tree known only from a limited area in southwestern Texas and adjacent Mexico, where it grows in ravines and along , , , . Fig. 489. — Gregg's Lead Tree, the banks of streams. The twigs are stout, somewhat zigzag, yellowish hair
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