506 ACANTHACE. 
South Mexico, around Oaxaca (Andrieur, 132), valley of Mexico (Bourgeau, 355), 
between Acatlan and Chila, Puebla (Andriewx, 134), Zimapan (Coulter, 1184, 1185). 
Hb. Kew. | 
B. acaulis, Nees in DC. Prodr. xi. p. 198. 
Sovran Mexico, barren plains of Oaxaca, 5000 feet (Galeotti, 913), without locality 
(Christy). Hb. Kew. 
(Perhaps a distinct species. 
15. Ruellia? lanato-viscosa, Hemsley. 
Dipteracanthus lanato-viscosus, Nees in DC. Prodr. xi. p. 180. 
SourH Mexico, Puebla (Ehrenberg). 
16. Ruellia longepetiolata, Hemsley. 
Dipteracanthus longepetiolatus, Erst. in Vidensk. Meddel. 1854, p. 124; Walp. Ann. v. p. 648. 
SovtH Mexico, Papantla (Liebmann). Hb. Kew. 
17. Ruellia macrophylla, Vahl, Symb. ii. p. 72, t. 39. 
Stemonacanthus macrophyllus, Nees in DC. Prodr. xi. p. 205; Bot. Mag. t. 4448. 
South Mexico, Oaxaca (Ghiesbreght) —CoLomBIA; VENEZUELA; GUIANA; WEST 
Inpres. Hb. Kew. 
[ Dipteracanthus macrophyllus, CErst. in Vidensk. Meddel. 1854, p.125; Walp. Ann. 
v. p. 648, a Mexican plant, is different from the last; but we have seen no authenticated 
specimen. | 
18. Ruellia? ovalifolia, Hemsley. 
Cryphiacanthus ovalifolius, Hirst. in Vidensk. Meddel. 1854, p. 129; Walp. Ann. v. p. 651. 
SovtH Mexico, Oaxaca (Laebmann). 
19. Ruellia paniculata, Linn. Sp. Pl. p. 885. 
Dipteracanthus paniculatus, Nees in DC. Prodr. xi. p. 142; Griseb. Fl. Brit. W. Ind. p. 451. 
SoutH Mexico, between Laguna Verde and Actopan (Sehiede) ; Nicaracua, Segovia 
(Grsted), Acota (Tate, 293, 299),—-CotomsBia to Nort Brazit and in the Wsst INpIEs. 
Hb. Kew. 
[R. parviflora, Hort., Justicia parviflora, Ort. Dec. i. p. 1, Dipteracanthus parvi- 
frorus, Nees in DC. Prodr. xi. p. 123, seems to be Hemigraphis elegans, Nees, an 
Asiatic plant, and not Mexican. | 
20. Ruellia parva, Hemsley. 
Ophthalmacanthus parvus, Nees in DC. Prodr. xi. p. 220. 
Sour Mzxico, Teocomulco (Karwinski), Zimapan (Coulter, 1179)? Hb. Kew. 
21. Ruellia pilosa, Pav., ex Nees. 
Dipteracanthus pilosus, Nees in DC. Prodr. xi. p. 127; Benth. Pl. Hartw. p. 293. 
Souta Mexico, Leon (Hartweg). Hb. Kew. 
