CONVOLVULACEA. 883 
2. IPOM(HA. 
Ipomea, Linn. Gen. Plant. n. 216, ad species plures Convolvuli extensa; Benth. et Hook. Gen. Plant. 
li. p. 870. 
Herbs or shrubs or very rarely arboreous. Between 300 and 400 species, chiefly 
inhabiting the warmer regions of both hemispheres, rarer in temperate regions, both 
north and south; quite absent from Europe, and only one in Asiatic Russia. 
1. Ipomea acuminata, Rem. et Schult. Syst. iv. p. 228; Meissn. in Fl. Bras. 
Vili. p. 226, t. 78. | 
Ipomea mutabilis, Ker, Bot. Reg. t. 39. 
Pharbitis acuminata, Choisy in DC. Prodr. ix. p. 312. 
GuateMaLa (Mriederichsthal).— West Inpius to Brazit. Hb. Kew. 
2. Ipomea affinis, Mart. et Gal. in Bull. Acad. Brux. xii. 2, p. 263; Walp. Rep. 
vi. p. 535. 
South Mexico, Sola, south of Oaxaca, and in the valley of the Rio Grande de 
Mextitlan, 4500 to 5000 feet (Galeotti, 1877, 13885). Hb. Kew. 
3. Ipomea alatipes, Hook. Bot. Mag. t. 5330. 
Ipomea pterodes, Seem. Bot. Voy. ‘ Herald,’ p. 171, non Choisy. 
Panama (Seemann, 176).—VunezveLaA. Hb. Kew. 
4. Ipomea ampliata, Choisy in DC. Prodr. ix. p. 361. 
SoutH Mexico, Campeachy. 
5. Ipomea apiculata, Mart. et Gal. in Bull. Acad. Brux. xii. 2, p. 262; Walp. 
Rep. vi. p. 534. 
Sours Mexico, dunes of Vera Cruz (Galeotti, 1381). 
6. Ipomea arborescens, Don, Gen. Syst. iv. p. 267; DC. Prodr. ix. p. 358. 
Convolvulus arborescens, Willd. Enum. Pl. i. p. 204; H. B. K. Nov. Gen. et Sp. i. p. 94. 
Soutn Mexico, between Acaguisotla and Chilpancingo, at 3000 feet (Humboldt & 
Bonpland). 
Probably a variety of [. murucoides. 
7. Ipomea aristulata, Mart. et Gal. in Bull. Acad. Brux. xii. 2, p. 263; Walp. 
Rep. vi. p. 530. 
Sourn Mexico, near Morelia, Michoacan, 5500 feet (Galeott:, 1383). 
8. Ipomea asarifolia, Rom. et Schult. Syst. iv. p. 251; Meissn. in Fl. Bras. 
vii. p. 256; Griseb. Fl. Brit. W. Ind. p. 471. 
Ipomea urbica, Choisy in DC. Prodr. ix. p. 349. 
Panama (Seemann).—West Inpres to BraziL and Perv; also Western Tropical 
Arrica. Hb. Kew. 
