ACANTHACES. | 507° 
22. Ruellia pulcherrima, T. Anderson, MSS. in hb. Kew. 
Ophthalmacanthus speciosus, Nees in DC. Prodr. xi. p. 220. 
Sours Mexico, Tehuacan, Puebla, 5500 feet (Galeotti, 1042), Zimapan (Coulter, 
1187), valley of Mexico (Bourgeau, 703). Hb. Kew. 
23. Ruellia rosea, Hemsley. 
Ophthalmacanthus roseus, Nees in DC. Prodr. xi. p. 220. 
South Mexico, cactiferous mountains near Tehuacan, 5000 feet (Galeotti, 915), 
Zimapan (Coulter, 1186). Hb. Kew. 
24, Ruellia rubicaulis, Cav. Ic. Pl. v. p. 10, t. 417. 
Ruellia fetida, Willd. Enum. Pl. Hort. Berol. ii. p. 656; ~H, B. K. Nov. Gen. et Sp. ii. p. 240. :3.7 
Dipteracanthus rubicaulis, Nees in DC. Prodr. xi. p. 116. 
Sourn Mexico, Acapulco (Humboldt & Bonpland ; Senclair) San Augustin (Léebmann).” 
Hb. Kew. 
25. Ruellia schlechtendaliana, Hemsley. 
Dipteracanthus schlechtendalianus, Nees in DC, Prodr. xi. p. 133. 
Gymnacanthus schlechtendalianus, Hirst. in Vidensk. Meddel. 1854, p. 126; Walp. Ann. v. p. 639. 
Dipteracanthus procumbens, Nees, loc. cit. ? 
Sourn Mexico, Hacienda de la Laguna (Schiede). 
Bourgeau’s 2663 from Orizaba, and a specimen in Kew herbarium, from Pavon’s 
herbarium, labelled “ Ruellia pilosa, de Mexico,” may belong to this species. 
26. Ruellia stemonacanthoides, Hemsley. 
Arrhostoxylum stemonacanthoides, irst. in Vidensk. Meddel. 1854, p. 180; Walp. Ann. v. p. 651. 
Costa Rica, Aguacate and Jaris, 1600 to 3000 feet (@rsted). 
27. Ruellia subcapitata, Hemsley. 
Dipteracanthus subcapitatus, Nees in DC. Prodr. xi. p. 723. 
Nicaragua, Realejo (Sinclair). Hb. Kew. 
28. Ruellia tuberosa, Linn. Sp. Pl. ii. p. 635; Descourt. Fl. Antill. ii. t. 113; 
Griseb. Fl. Brit. W. Ind. p. 452; A. Gr. Synop. Fl. N. Am. ii, p. 325. 
Cryphiacanthus barbadensis, Nees in DC. Prodr. xi. p. 197. 
Cryphiacanthus viscosus, rst. in Vidensk. Meddel. 1854, p. 128? 
Ruellia clandestina, Linn.; Dill. Hort. Elth. p. 328, t. 248. 
Texas.—Mexico, Mirador (Linden, 197 bis), Vera Cruz (Hahn, Bourgeau, Gouin). 
—CotomBia to Peru and Guiana and in the West Inpims. Hb. Kew. 
29. Ruellia tubiflora, H. B. K. Nov. Gen. et Sp. ii. p. 241. 
Dipteracanthus tubiflorus, Nees in DC. Prodr. xi. p. 128 ; Seem. Bot. Voy. ‘ Herald,’ p. 178. 
Panama, San Lorenzo, Veraguas (Seemann, 1162).—CotomBia. Hb. Kew. 
This is probably Dipteracanthus leucanthus, Nees, and not D. tubiflorus. Cryphia- 
canthus tubiflorus, CErst. in Vidensk. Meddel. 1854, p. 129, is unknown to us. Itisa 
Mexican plant. 
3t 2 
