380 BORAGINEZ. 
15. MACROMERIA. 
Macromeria, Don in Edinb. N. Phil. Journ. 1832, p. 239; Benth. et Hook. Gen. Plant. ii. p. 859. 
An exclusively American genus of about eight herbaceous species, ranging from 
Mexico to Peru. 
1. Macromeria discolor, Benth. Pl. Hartw. p. 49; DC. Prodr. x. p. 69. 
Sout Mexico, summit of San Felipe (Andrieuxr, 208), Vera Cruz to Orizaba (Miller, 
1358), Sierra San Pedro Nolasco &c. (Jurgensen, 485), Cordillera of Oaxaca, 8000 to 
9000 feet (Galeotti, 1472). Hb. Kew. 
2. Macromeria exserta, Don in Edinb. N. Phil. Journ. 1832, p. 239; Gen. 
Syst. iv. p. 326; DC. Prodr. x. p. 68; Bot. Reg. 1847, t. 26. 
SoutH Mexico, between Tuzpan and Anganguio (Hartweg, 371), San Felipe (Andrieuz, 
210), Oaxaca (Ghiesbreght), Sierra San Pedro Nolasco &c. (Jurgensen, 667). Tb. Kew. 
8. Macromeria longiflora, Don in Edinb. N. Phil. Journ. 1832, p. 239; Gen. 
Syst. iv. p. 326; DC. Prodr. x. p. 68. 
Macromeria hispida, Mart. et Gal. in Bull. Acad. Brux. xi. (reprint, p. 23). 
Soutn Mexico, Morelia, 8000 feet (Galeotti, 1917; Hartweg, 872). Hb. Kew. 
4, Macromeria viridiflora, DC. Prodr. x. p. 68; Calques des Dess. Fl. Mex. 
904. 
Mexico. 
16. ONOSMODIUM. 
Onosmodium, Michx. Fl. Bor.-Am. i. p.182; Benth. et Hook. Gen. Plant. ii. p. 859. 
About six herbaceous species, inhabiting North America. 
1. Onosmodium strigosum, Don, Gen. Syst. iv. p. 8317; DC. Prodr. x. p. 69. 
Onosma trinervia, Lehm. Asperif. ii. p. 878, t. 9. 
Onosma strigosa, H. B. K. Nov. Gen. et Sp. iii. p. 98. 
Sourh Mexico, near Pazcuaro, 6000 to 7000 feet (Humboldt & Bonpland), Morelia, 
8000 feet (Galeotti, 7202). Hb. Kew. 
2. Onosmodium, sp. ? 
Sours Mexico, Oaxaca ((Ghiesbreght). Hb. Kew. 
17. LITHOSPERMUM. 
Lithospermum, Linn. Gen. Plant. n. 181; Benth. et Hook. Gen. Plant. ii. p. 860. 
Herbs, half-shrubs, or low shrubs. About forty species, generally dispersed in the 
extratropical regions of the northern hemisphere; and a few are indigenous in South- 
west America and in South Africa ; and one of the northern species is now a common 
introduced weed in many places in the southern hemisphere. 
