LEGUMINOS. 397 
od. Cercidium floridum, Benth. in A. Gray, Pl. Wright. i. p. 58, in adnot. 
Texas; Cairornia.—Norra Mexico, Sonora Alta (Coulter, 489), Monterey (Haton & 
Edwards), Cerralvo (Wislizenus), between Monterey and Matamoras (Gregg). Hb. 
Kew. - | . : 
9. Cercidium, sp.{? Cercidit spinosi var.). 
Nicaragua, Tepitapa (@rsted). Hb. Kew. 
» 
: . 
87. PARKINSONIA. 
Parkinsonia, Linn. Gen. Plant. n. 513; Benth. et Hook. Gen. Plant. i. p. 570. 
Four arboreous species, whereof two are endemic in Mexico and the adjoining 
countries to the north, one in South Africa, and the other is widely dispersed. 
1. Parkinsonia aculeata, Linn. Hort. Cliff. p. 147, t. 13. 
Norra Mexico, between Matamoras and Reynosa (Gregg), Sonora Alta (Coulter), 
region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 203); Sour Mexico, 
Oaxaca and Guanaxuato (Galeotti, 3211; Ghiesbreght) ; Nicaracua (Grsted); Costa 
Rica (Crsted).— Widely dispersed in TRopicaL and SUBTROPICAL America and the WEstT 
Inpizs; commonly cultivated and naturalized in Asta and Arrica. Hb. Kew. 
9. Parkinsonia microphylla, Torr. Pacif.-Railroad Rep. iv. p. 8. 
Catrrornia.—Norra Mexico, Sonora Alta (Coulter, 490). Hb. Kew. 
3. Parkinsonia torreyana, Watson, in Proc. Am. Acad. xi. p. 186. 
Cercidium floridum, Torr. Pacif.-Railr. Rep. v. p. 360, t. 3, nec Benth. 
CALIFORNIA.— MEXICO. 
Tribe CASSIE. 
Besides Cassia, ten other genera are referred hither ; they are chiefly trees and shrubs, 
and are generally dispersed in tropical countries. 
88. CASSIA. 
Cassia, Linn. Gen. Plant. n. 514; Benth. et Hook. Gen. Plant. i. p. 571; Benth. in Trans. Linn. 
Soc. xxvii. 
Trees, shrubs, and herbs. About 340 species, generally dispersed in warm countries, 
but most numerous in America, extending from Massachusetts to Chili. 
1. Cassia alata, Linn. Sp. Pl. p. 541. 
Cassia herpetica, Jacq. Obs. i. p. 24, t. 45. fig. 2. 
Nicaragua, Segovia (@rsted); PANAMA, Empire railway-station (S. Hayes, 430),— 
Nearly all over the West Inpies and TropicaL AMERICA ; also common in Tropical Asia 
and in Western Arnica, though perhaps indigenous only in America. Hb. Kew. 
