; LEGUMINOSAE 237 
a PAPILIONATAE 
20, AESCHYNOMENE Linnaeus 
Erect branched herbs, the leaves with very numerous, close, sensitive, 
odd-pinnate, small, linear leaflets. Flowers small, in few-flowered racemes. 
Calyx deeply 2-lipped, the lips somewhat toothed. Standard orbicular; 
keel not beaked. Stamens in 2 bundles of 5 each. Pod linear, stalked, flat, 
4- to 8-seeded, ultimately separating into 1-seeded points. (Greek sone 
ashamed,” from the sensitive leaflets.) 
Species about 30 in all tropical countries, 1, probably introduced, in 
the Philippines. 
1. A INDICA L. 
An erect, branched, suffrutescent, annual herb 0.3 to 1.2 m high, gla- 
brous, the branches green, cylindric. Leaf-rachis 3 to 5 em long, the 
leaflets small, linear or oblong, numerous, obtuse, 1-nerved, close, about 
5 mm long; stipules lanceolate, 1 em long, deciduous, produced below the 
point of attachment. Racemes axillary, short, 1- to 4-flowered. Flowers 
about 8 mm long, yellow and purplish. Pod linear-oblong, straight or 
curved, 1 to 8 em long, about 3 mm wide, composed of from 4 to 8 joints. 
In open wet grass lands, fi. all the year; throughout the Philippines, but 
probably introduced. Tropics of the Old World, extending to Japan. 
21. ARACHIS Linnaeus 
Low, usually prostrate herbs with even-pinnate leaves, the leaflets 2 
or 3 pairs, not stipellate. Flowers yellow, crowded in short, axillary 
spikes, or pedicelled in the axils of the leaves. Calyx-tube slender, the 
4 upper wings oblong; keel incurved, beaked. Filaments united in a 
closed tube, some anthers versatile, the alternating ones subbasifixed. Pod 
oblong-cylindric, reticulate, indehiscent, torulose but not jointed, maturing 
under the surface of the ground. (Ancient Greek name for some legumi- 
nous plant.) 
Species 7, all tropical American, 1 now cultivated in all warm countries. 
*1. A. HYPOGAEA L. Mani (Sp.); Peanut. 
An annual, spreading, hairy, branched herb, the stems 30 to 80 cm long. 
Leaves & to 12 em long, the base of the petiole clasping, the sheath 
produced in 2 linear-lanceolate stipules. Leaflets oblong to obovate, 2 to 
5 em long. Flowers axillary, few, fascicled, yellow, about 8 mm long. 
Pods ripening under ground, oblong, leathery, reticulate, 1 to 5 em long, 
containing from 1 to 3 seeds. (FI. Filip. pl. 157.) 
Commonly cultivated, fl. Dec.—March. A native of tropical America now 
widely distributed in cultivation in most tropical and subtropical countries. 
22. ZORNIA Gmelin 
Slender annual herbs, gland-dotted, the leaves compound, leaflets in 1 
or 2 opposite pairs. Flowers small, in lax racemes, enclosed by lanceolate, 
paired bracts. Calyx small, the upper teeth short, connate. Corolla ex- 
serted. Stamens monadelphous, the anthers dimorphous. Ovary many- 
