LEGUMINOSZ. *. 273 
5. Stylosanthes scabra, Vog. in Linnea, xii. p. 69. 
Nicaragua, Volcan el Viejo (@rsted).— BRAZIL. 
6. Stylosanthes viscosa, Sw. in Act. Holm. 1789, p. 296, t. 9. fig. 2; Fl. Ind. 
Occ. ii. p. 1285. | 
Norra Mexico, Cerro de Pinal (Seemann, 1540); Sourn Mxxtco, Manantial (Schiede 
& Deppe), Jalisco (Beechey); Nicaraaua, Volcan el Viejo (@irsted).— Widely spread in 
the Wesr Inpres and Tropica, AmERica; also in West Tropical Arrica. Hb. Kew. 
39. ARACHIS. 
Arachis, Linn. Gen. Plant. n. 876; Benth. et Hook. Gen. Plant. i. p. 518. 
Seven herbaceous species, six of which are endemic in Brazil, and the other is of 
uncertain origin, though most likely American. 
1. Arachis hypogea, Linn. Sp. Pl. p. 1040; Hook. Ic. Pl. t. 500. 
South Mexico, Orizaba (Botteri, 689); GuaremaLa, Chojoja, near Mazatenango 
(Bernoulli, 400); Costa Rica (Girsted). Hb. Kew. 
This plant is commonly cultivated in tropical and subtropical regions, and is natu- 
ralized or wild in almost all tropical countries; but it is impossible to say where it is 
truly indigenous. 
40. ZORNIA. 
Zornia, Gmel. Syst. Nat. p. 1076; Benth. et Hook. Gen. Plant. i. p. 518. 
About six herbaceous species, all American, two of them extending to Africa, and 
one almost ubiquitous in warm countries. 
1. Zornia diphylla, Pers. Syn. ii. p. 318; Benth. in Mart. Fl. Bras. xv. p. 80, 
tt. 1, 2. 
Zornia levis, Ch. et Schl. in Linnea, v. p. 582. 
Zornia thymifolia, H. B. K. Nov. Gen. et Sp. vi. p. 514. 
Zornia pubescens, H. B. K. loc. cit. p. 515. 
Zornia reticulata, Sm., &c. &e. 
A very variable plant, common in most tropical and subtropical regions throughout 
the WoRkLD, and occurring in nearly all collections from Panama, Costa Rica, Nicaraeva, 
GuaTEMALA, and Mexico. Hb. Kew. 
9. Zornia tetraphylla, Michx. Fl. Bor.-Am. ii. p. 76, t. 41. 
Subtropical NortH America.—NortH MExico, Matamoras (Berlandier, 2447).— Also 
in Tropical Wusrern AFrica, and commoner in Sours Arrica. Hb. Kew. 
Al. DESMODIUM. 
Desmodium, Desv. Journ. Bot. i. p. 122; Benth. et Hook. Gen. Plant. i. p. 519. 
_ Herbs or shrubs, rarely arboreous. About 150 species, generally dispersed in tropical 
BIOL. CENT.-AMER., Bot. Vol. 1, Feb. 1880. 2n 
