STANDLEY — TREES AND SHRUBS OF MEXICO. 1309 



2. Russelia campechiana Standi., sp. nov. 



Type from Apazote, near Yohaltum, Campeche {Goldman 467; U. S. Nat. 

 Herb. no. 396830). 



Stems quadrangular, glabrous; petioles 7 to 9 mm. long; leaves ovate, 5 to 

 7.5 cm. long, 2.5 to 4 cm. wide, acuminate, rounded at base, coriaceous, entire, 

 lustrous, glabrous; cymes many-flowered, equaling the leaflike bracts, short- 

 pedunculate; calyx lobes ovate, subulate-acuminate; corolla 13 mm. long, the 

 throat yellow-barbate. 



3. Russelia tetraptera Blake, Proc. Biol. Soc. Washington 33: 120. 1920. 

 Tepic ; type collected near the city of Tepic. 



Stems glabrous ; leaves sessile or short-petiolate, deltoid-ovate, 7 cm. long or 

 less, acute or acuminate ; corolla 8 to 10 mm. long. 



4. Russelia jaliscensis Robinson, Proc. Amer. Acad. 35: 319. 1900. 

 Jalisco to Mexico ; type from barranca near Guadalajara. 



Stems glabrous ; leaves rhombic-ovate or ovate, 3 cm. long or less, petiolate, 

 thin, sparsely pubescent or glabrate ; peduncles 2 or 3-flowered. 



5. Russelia floribunda H. B. K. Nov. Gen. & Sp. 2: 359. 1817. 



Guerrero and Oaxaca ; type collected between Rfo Papagallo and Venta de 

 Tierra Colorada. 



Stems glabrous or pubescent ; leaves subsessile, rounded-ovate, obtuse or 

 acute, 7.5 cm. long or less, coarsely crenate ; corolla 1 cm. long. 



Russelia syringaefoUa Schlecht. & Cham.,^ described from Papantla, Vera- 

 cruz, is a closely related plant and perhaps synonymous. 



6. Russelia cuneata Robinson, Proc. Amer. Acad. 44: 613. 1909. 

 Michoacan or Guerrero to Oaxaca ; type from El Ocote. 



Plants suffrutescent, about 1 meter high, the branches glabrous; leaves 

 sessile or short-petiolate, ovate or rhombic-ovate, obtuse, crenate ; corolla about 

 1 cm. long. 



7. Russelia sannentosa Jacq. Enum. PI. Carib. 25. 1760. 

 Veracruz and Yucatan. Central America ; Cuba. 



Stems glabrous ; leaves short-petiolate, broadly ovate, 5 cm. long or less, 

 acute, subcoriaceous, coarsely crenate-serrate ; corolla about 1 cm. long. 

 "Lluvia de coral" (Nicaragua). 



8. Russelia equisetiformis Schlecht. & Cham. Linnaea 6: 377. 1831. 

 Russelia juncea Zucc. Flora 18322; Beibl. 99. 1832. 



Sinaloa (perhaps only cultivated) to Veracruz; type from Papantla, Vera- 

 cruz. Guatemala. 



Plants glabrous, herbaceous or sufErutescent ; leaves small, ovate or lanceo- 

 late, caducous ; inflorescence much branched ; corolla usually 2 cm. long, 

 "Arete de la cocinera " (Veracruz) ; "lluvia de coral;" " coralillo ; " "lluvia 

 de fuego," "coralitos" (Colombia). 



A rather showy plant, common in cultivation in tropical and subtropical re- 

 gions. 



9. Russelia multifl.ora Sims in Curtis's Bot. Mag. pi. 1528. 1813. 

 Russelia paniculata Mart. & Gal. Bull. Acad. Brux. 12^: 19. 1845. 

 Veracruz, Puebla, Oaxaca, and Chiapas. Guatemala. 



Plants sufErutescent, 1.5 meters high or less; leaves short-petiolate, ovate, 

 6 cm. long or less, often ternate, acuminate ; corolla about 1 cm. long. " Sa- 

 poyolillo " (Chiapas, /SeZer). 



'Linnaea 6: 376. 1831. 



