454 SCROPHULARINEZ. 
1. Limosella aquatica, Linn. Sp. Pl. p. 881; DOC. Prodr. x. p. 426; A. Gr. 
Synop. Fl. N. Am. ii. p. 284; Reichb. Ic. Fl. Germ. t. 1722; Fl. Dan. i. t. 69. 
_ From Hupson’s Bay southward.—MeExico, valleys of San Luis Potosi and Mexico 
(Schaffner)—Sourn America; Evrope; NorrH Asta; AvustraLia. Hb. Kew. 
27. SIBTHORPIA. . 
Sibthorpia, Linn. Gen. Plant. n. 775; Benth. et Hook. Gen. Plant. 11. p. 959. 
Slender prostrate herbs. About six species inhabiting Western Europe, mountains 
of Naples, Tropical and North-west Africa, and South and Central America. 
1, Sibthorpia pichinchensis, H. B. K. Nov. Gen. et Sp. ii. p. 390, t. 176; 
DC. Prodr. x. p. 428. 
Sibthorpia retusa, H. B. K. loe. eit. p. 391, t. 177. | 
Sibthorpia parvifolia, Mart. et Gal. in Bull. Acad. Brux. xii. 2, p. 25; Walp. Rep. vi. p. 644. 
South Mexico, Vera Cruz to Orizaba (Miller, 1558), Zimapan (Coulter, 1313), valley 
of Mexico (Bourgeau, 988 ; Schaffner), peak of Orizaba, 9000 to 12,000 feet (Galeotti, 
7046 ; Linden, 1404), Cordillera of Oaxaca at 9000 feet (Galeotti, 7165).—CoLoMBIA 
to Perv, Bouivia, and ArGentina. Hb. Kew. 
28. SCOPARIA. 
Scoparia, Linn. Gen. Plant. n. 143 ; Benth. et Hook. Gen. Plant. ii. p. 959. 
About six herbaceous and half-shrubby species, inhabiting South America and Mexico, 
one species also widely diffused in the warm regions of the Old World. 
1. Scoparia annua, Ch. et Schl. in Linnea, vi. p. 875; DC. Prodr. x. p. 431. 
SoutH Mexico, Tecoluta (Schiede). | 
2. Scoparia dulcis, Linn. Sp. Pl. p. 168; DC. Prodr. x. p. 431; Griseb. FI. 
Brit. W. Ind. p. 429; Lam. Ill. t. 85. 
A common plant in nearly all Tropica, and SvprropicaL countries, including 
- Mexico and CentraL America. Hb. Kew. 
8. Scoparia flava, Ch. et Schl. in Linnea, ii. p. 603; DC. Prodr. x. p. 431; 
Link et Otto, Ic. Pl. Sel. Hort. Berol. t. 60. 
San Satvapor (Bernoulli, 12).—Southward on the eastern side of South America to 
Urnucuay. Hb. Kew. 
29. CAPRARIA. 
Capraria, Linn, Gen. Plant. n. 768; Benth. et Hook. Gen. Plant. ii. p. 959. 
Herbs or half-shrubs. Species four, inhabiting Tropical America, one of them 
recurring in Tropical Africa. 
