COMPOSITA. 197 
4. Dahlia imperialis, Roezl in Regel’s Gartenflora, 1863, p. 243, tt. 407, 408; 
Bot. Mag. 5183. | 
Mexico (oezl), Orizaba, cult. (Bottert, 1175)? Hb. Kew. 
5. Dahlia maximiliana, Hort. 
Mexico. Hb. Kew. 
This is a distinct species; but we have mislaid our description, and, at the time of 
writing, we have not access to specimens. 
. 6. Dahlia merckii, Lehm. Delect. Sem. Hort. Hamb. 1839; Linnea, xiv. Lite- 
raturb. p. 130. 
Dahlia glabrata, Lindl. Bot. Reg. 1840, t. 29; Bot. Mag. t. 3878. 
Dahlia minor, Visiani, Nuovi Saggia della Acad. Sc. Fis. de Padova, v. p. 263. 
Dahlia decaisneana, Verlot in Rev. Hort. 1864, p. 31, cum ic. col. 
Nortu Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 477), 
without locality (Gregg, 377); .Soura Mexico, Real del Monte (Coulter, 387), summit 
of a mountain near Guadalupe (Bourgeau, 802). Hb. Kew. 
7. Dahlia scapigera, Knowles & Westcott, Fl. Cab. iii. t.118; Maund, Botanist, 
iv. t. 161. 
Georgina scapigera, Link & Otto in Otto & Dietr. Allg. Gartenz. i. p. 197. 
Mexico. Cultivated in Europe. Hb. Kew. 
8. Dahlia variabilis, Desf. Cat. Hort. Par. ed. 3, p. 182; DC. Prodr. v. p. 494. 
Georgina variabilis, Willd. Hort. Berol. ii. tt. 93-95. 
Dahlia superflua, Ait. Hort. Kew. ed. 2, v. p. 87. 
Georgina superflua, DC. in Ann. du Mus. xv. p. 310. 
Dahlia crocata, Lag. Elench. p. 31. 
Dahlia pinnata, Cav. Ic. Pl. i. t. 80. 
Dahlia rosea, Cav. Ic. Pl. iii. t. 265. 
Dahlia sambucifolia, Salisb. Parad. Lond. t. 16. 
Coreopsis georgina, Cass. Dict. xviii. p. 441. 
Nort Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 480); 
Sour Mexico, Oaxaca, in gardens (Andrieux, 311), Zimapan (Coulter, 389), Santa Fé 
(Bourgeau, 736); Guatemata, base of Volcan de Fuego (Salvin & Godman, 46)! Hb. 
Kew. , 
The specimens from Guatemala may belong to a different species. 
9. Dahlia, sp. 
Norra Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 479). 
Hb. Kew. . 
Apparently a distinct species; but the material is insufficient for description. 
