466 ONAGRARIEZ. 
18. Lopezia trichota, Schl. in Linnea, xii. p. 273. 
Norra Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 256) ; 
South Mexico, Cuesta Blanca, on porphyritic rocks (Ehrenberg), without locality 
(Aschenborn, 398). Hb. Kew. 
19. Lopezia, sp. 
Souta Mexico, Chinantla, at 4000 feet (Galeotti, $080). Hb. Kew. 
20. Lopezia, sp. 
GuaTeMALA, Capetillo, Volcan de Fuego, 4600 feet (Salvin), | Camino del Zapote 
(Bernoulli, 234). Hb. Kew. | 
21. Lopezia, sp. (?L. coronata, Andr.). 
Sout Mexico, Zimapan (Coulter, 179), without locality (Sal/é). Hb. Kew. 
10. DIPLANDRA. 
Diplandra, Hook. et Arn. Bot. Beech. Voy. p. 291; Benth. et Hook. Gen. Plant. i. p. 792. 
One shrubby species. 
1. Diplandra lopezioides, Hook. et Arn. Bot. Beech. Voy. p. 291, t. 60. 
Sout Mexico, Tepic (Barclay, Beechey). Hb. Kew. 
11. RIESENBACHIA. 
Riesenbachia, Presl, Reliq. Heenk. ii. p. 86; Benth. et Hook. Gen. Plant. i. p. 792. 
One herbaceous species. 
1. Riesenbachia racemosa, Presl, Relig. Henk. ii. p. 36, t. 54. 
Mexico (Henke). 
12. GAURA. 
Gaura, Linn. Gen. Plant. n. 470; Benth. et Hook. Gen. Plant. i. p. 792. 
About twenty herbaceous species, inhabiting Mexico and the warmer parts of North 
America. 
-1. Gaura bracteata, Ser. in DC. Prodr. iii.p. 45 ; Calques des Dess. Fl. Mex. 373, 
Mexico (Mogino & Sessé). yee 4 
__ Ae ° SNe | 
. yh A 
2. Gaura coccinea, Nutt. in Torr. & Gray, Fl. N. Am. i. p. 73. TN JA (¢ 
Gaura epiloboides, H. B. K. Nov. Gen. et Sp. vi. p. 93. an a 
Gaura suffrutescens, Ser. in DC. Prodr. iii. p. 45; Calques des Dess. FI. Mex-874. 
SASKATCHEWAN southward to—NortH Mexico, region an Luis Potosi, 6000 to 
8000 feet (Parry & Palmer, 254, 255), Sonora (ZorreyY; SourH Mexico, common 
throughout the valley of Mexico (Schaffner), Vera Cruz to Orizaba (Miller), near 
Actopan, 6250 feet (Humboldt & Bonpland), in fields between Perote and Tenestepec 
