446 SCROPHULARINE. 
16. Pentstemon secundiflorus, Benth. in DC. Prodr. x. p.325; A. Gr. Synop. 
Fl. N. Am. ii. p. 263. 
Cotorapo.—Norra Mextco, within the old boundary on Mount Graham, at 9250 feet 
(Rothrock). 
17. Pentstemon stenophyllus, A. Gr. in Torr. Bot. U.S. Mex. Bound. Surv. 
p. 112; Proc. Am. Acad. vi. p. 65; Synop. Fl. N. Am. ii. p. 266. 
Arizona.—-Norta Mexico, Cosquiriachi (Wislizenus, 186). Hb. Kew. 
18. Pentstemon tenuifolius, Benth. Pl. Hartw. p. 22; DC. Prodr. x. p. 322; 
Proc. Am. Acad. vi. p. 64. 
Sourh Mexico, Aguas Calientes (Hartweg, 186), Oaxaca (Ghiesbreght), San Felipé 
(Andrieux, 161). Hb. Kew. 
11. RUSSELIA. 
Russelia, Jacq. Stirp. Amer. p. 178, t.113; Benth. et Hook. Gen. Plant. ii. p. 940. 
A Mexican and Central-American genus of four or five shrubby species. 
1. Russelia equisetiformis, Ch. et Schl. in Linnea, vi. p. 377; DC. Prodr. x. 
p. 332. 
Sout Mexico, Papantla (Schiede). 
2. Russelia juncea, Zucc. in Flora, 1832, ii. Beibl. p. 99; DC. Prodr. x. p. 332 ; 
Bot. Reg. t. 1773. . 
Sourn Mexico, Oaxaca (Ghiesbreght). Hb. Kew. 
3. Russelia rotundifolia, Cav. Ic. Pl. v. p. 9, t. 415; DC. Prodr. x. p. 332. 
Russelia floribunda, H. B. K. Nov. Gen. et Sp. ii. p. 359. 
South Mexico, Acapulco (Hinds), between the river Papagallo and Tierra Colorada, 
at about 700 feet (Humboldt & Bonpland). Hb. Kew. 
4, Russelia sarmentosa, Jacq. Amer. p. 178, t. 113; DC. Prodr. x. p. 332; 
Regel, Gartenfl. t. 5 (varietates plures). 
Scrophularia coccinea, Linn. Sp. Pl. p. 866. 
Russelia multiflora, Sims, Bot. Mag. t. 1528. 
Russelia ternifolia, H. B. K. Nov. Gen. et Sp. i. p. 860. 
Russelia syringefolia, Ch. et Schl. in Linnea, vi. p. 376. 
Russelia paniculata, Mart. et Gal. in Bull. Acad. Brux. xii. 2, p. 19; Walp. Rep. vi. p. 640. 
Russelia polyedra, Zuce. Pl. Nov. vel min. Cogn. fase. ii. p. 20. 
Nortu Mexico, Cerro de Pinal (Seemann, 1508) ; Sourn Mrxico, Mazatlan (Seemann, 
1511), Mirador (Linden, 1095), Oaxaca, 3000 to 7000 feet (Galeotti, 1010, 1011, 1012), 
Orizaba (Botteri, 953); Guaremata, Volcan de Fuego (Salvin); Nicaragua, Realejo 
(Sinclair), Granada (@rsted), Chontales (Tate); Costa Rica (Grsted); Panama (Seemann). 
—Cusa. Hb. Kew. 
