* 
ACANTHACEA. . 523 
4, Anisacanthus thurberi, A. Gr. Synop. Fl. N. Am. ii. p. 328. 
Drejera thurberi, Torr. Bot. U.S. & Mex. Bound. Surv. p. 124. 
New Mexico; Arizona.—Norra Mexico, Sonora (Thurber; Schott). 
5. Anisacanthus virgularis, Nees in DC. Prodr. xi. p. 445. 
Justicia virgularis, Salisb. Parad. Lond. t. 50. 
Justicia coccinea, Cav. Ic. Pl. ii. t. 199. 
Justicia quadrifida, Vahl, Enum. i. p. 124; H. B. K. Nov. Gen. et Sp. 1. p. 231. 
Drejera puberula, Torr. Bot. U.S. & Mex. Bound. Surv. p. 123? 
Norra Mzxico, mountains east of Saltillo (Palmer, 1016), region of San Luis Potosi, 
6000 to 8000 feet (Parry & Palmer, 706) ; Soura Mexico, Zimapan and Cordillera of 
Oaxaca, at 5000 feet (Galeotti, 912, 937), Tehuacan (Liebmann), Sierra San Pedro 
Nolasco &c. (Jurgensen, 620). Hb. Kew. ° 
6. Anisacanthus wrightii, A. Gr. Synop. Fl. N. Am. ii. p. 328. 
Drejera wrightii, Torr. Bot. U.S. & Mex. Bound. Surv. p. 128. 
Trexas.—Norta Mexico, Monterey (Eaton & Edwards, 89), Sierra Madre (Seemann, 
2111); Sour Mexico, Tehuacan (Liebmann). Hb. Kew. — , 
33. THYRSACANTHUS. 
Thyrsacanthus, Nees in Fl. Bras. ix. p. 97, t. 18, et in DC. Prodr. xi. p.323; Benth. et Hook. Gen. 
Plant. i. p. 1119. 
An exclusively Tropical-American genus, comprising about twenty species of shrubs 
and herbs. 
1. Thyrsacanthus callistachyus, Nees in DC. Prodr. xi. p. 326. 
Justicia callistachya, Ch. et Schl. in Linnea, vi. p. 370. 
Thyrsacanthus lilacinus, Lindl. in Lindl. & Paxt. Fl. Gard. i. t. 53. 
Sour Mexico, Mirador (Linden, 192; Liebmann), Misantla (Schiede & Deppe), valley 
of Cordova (Bourgeau, 1689), Cordillera of Vera Cruz, 3000 feet (Galeotti, 926), Sierra 
San Pedro Nolasco &c. (Jurgensen, 407, 877). Hb. Kew. 
2. Thyrsacanthus cuspidatus, Nees in DC. Prodr. xi. p. 323. 
Sour Mexico, Teapa, Tabasco (Linden, 180; Johnson, 7), Sierra San Pedro Nolasco 
&c. (Jurgensen, 894, 895). Hb. Kew. 
8. Thyrsacanthus flagellum, Girst. in Vidensk. Meddel. 1854, p-. 146, et in 
L’Amér. Centr. p. 18, t. 16. 
Costa Rica, Turrialva (Grsted). 
4. Thyrsacanthus? foliaceo-bracteatus, Cirst. in Vidensk. Meddel. 1854, 
p. 146; Walp. Ann. v. p. 658. 
 Sourn Mexico, Mirador (Liebmann). 
342 
