LBGUMINOSAE 229 



8. ADEN ANTH ERA Linnaeus 



Erect unarmed trees with 2-pinnate leaves. Flowers small, perfect, 

 5-merous, in spike-like racemes. Calyx campanulate, toothed. Petals val- 

 vate, cohering at the base, lanceolate. Stamens 10, free; anthers gland- 

 tipped. Ovary sessile, many-ovuled. Pod strap-shaped, falcate, the valves 

 coriaceous, twisted after dehiscence. Seeds 2-colored. (Greek "gland" and 

 "anther" from the gland-tipped anthers.) 



Species 5 or 6 in most tropical countries, 1 in the Philippines. 



1. A. intermedia Merr. Malasagad, Tanglin (Tag.). 



An erect glabrous tree 10 to 15 m high.. Leaves 25 to 40 cm long; 

 pinnae 4 to 6, 10 to 20 cm long; leaflets 5 to 9, elliptic, truncate or slightly 

 retuse, when dry dark above; pale beneath, 2 to 4 cm long. Racemes in 

 the uppier axils, solitary or paniculate, 12 to 20 cm long:, slender. Flowers 

 numerous, brownish, about 3 mm long, their pedicles slender. ' Pods nar- 

 rowly oblong, about 15 cm long 1 to 1.3 cm wide, containing 8 to 12, some- 

 what compressed, 8 mm long shining seeds, half red and half black. 



Cementerio del Norte, fl. Aug.-Oct.; widely distributed in the Philip- 

 pines. Endemic. ' 



9. PARKIA R. Brown 



Tall, unarmed trees with evenly bipinnate leaves, the leaflets very nu- 

 merous, Small. Flowers in dense, long-peduncl^d, obovoid heads. Calyx 

 tubular, shortly 5 cleft, the lobes imbricate. Corolla tubular, somewhat 

 cleft. Stamens 10, exserted, the filiform filaments in the lower part united 

 with each other and with the corolla-tube; anthers gland-tipped. Ovary 

 stalked. Pod large, flat, strap-shaped- coriaceous, very tardily dehiscent. 

 (In honor of M. Park, an African traveler.) 



A genus of about 10 species, in the j;ropics of both hemispheres, 2 

 in the Philippines. 



1. P. timoriana (DC.) Merr. Cupang (Tag.). 



A very large tree 25 to 40 m high. Leaves evenly bipinna.te, 30 to 80 

 cm long; pinnae 40 to 60, 8 to 20 cm long; leaflets 60 to 140, linear-oblong, 

 falcate, 6 to 12 mm long, close set, shining above, acute. Heads dense, 

 obovoid or pyriform, axillary, long-peduncled, up to 6 cm in length. 

 Flowers white and yellow, about 1 cm long. Pods 25 to 30 cm long) about 

 3.5 cm wide, rather thick, pendulous, black and shining when mature, con- 

 taining from 15 to 20 seeds. 



A single tree in the old botanic garden, fl. Nov.; widely distributed in 

 the Philippines. Timor, its other range uncertain. 



CAESALPINIOIDEAE 



10. MEZONEURUM Desfontaines 



Woody, prickly climbers with abruptly 2-pinnate leaves. Flowers in 

 panicled racemes. Calyx very oblique, usually deeply cleft, the disk mostly, 

 basal, the lobes imbricate, the lowest one hooded, larger than the others. 

 Petals obovate, spreading, subequal. Stamens free, declinate, exserted. 

 Ovary many-ovuled; style filiform, incurved. Pod oblong, flat, thin, in- 

 dehiscent, with a broad wing extending down 'the upper suture. (Greek 

 "middle" and "nerve," in allusion to the nerved pods.) 



Species 10 in the tropics of the Old World, 3 in thfe Philippines. 



