STANDLEY TREES AND SHRUBS OF MEXICO. 1197 



5. Jacquemontia simulata House, Bull. Torrey Club 33: 314. 1906. 

 Yucatan. 



Stems woody below, tomentose when young; leaves broadly ovate-cordate, 

 2 to 6 cm. long, obtuse and mucronate, densely tomentose beneath ; cymes 

 dense, many-flowered; corolla white, about 12 mm. long. 



This has been reported from Yucatan as J. abutiloides. 



6. Jacquemontia nelsoni House, Muhlenbergia 5: 67. 1909. 

 Type collected between Nopala and Mixistepec, Oaxaca. 



Stems pubescent; leaves short-petiolate, ovate or oblong-ovate, 3 to 4 cm. 

 long, acuminate, rounded at base, hirtellous beneath; cymes long-pedunculate, 

 many-flowered; sepals about 8 cm, long; corolla white (?). 



7. Jacquemontia oaxacana (Meisn.) Hallier, Bot. Jahrb. Engler 16: 543. 1893, 

 Jacquemoi'dia parviflora oaxacana Meisn. in Mart. Fl, Bras, 7: 297. 1869. 

 Siualoa to Veracruz and Oaxaca; type from mountains of Oaxaca. 



Stems pubescent or glabrate ; leaves ovate-cordate, 3 to .5.5 cm. long, acumi- 

 nate, pilose beneath or finally glabrate; peduncles usually much longer than 

 the leaves, the cymes many-flowered ; corolla blue, 1 to 1.5 cm. long. 



8. Jacquemontia azurea (Desr.) Choisy, M6m. Soc. Phys. Hist. Nat. Geneve 



6: 476. 1833. 



Convolvulus nzureus Desr. in Lam. Encyl. 3: 554. 1789. 



Convolvulus sphaerostigma Cav. Icon. PI. 5: 54. pi. JfSl. 1799. 



Convolvulus apocynoides Schlecht. & Cham. Linnaea 5: 117. 1830. 



Jacquemontia hirsuta Choisy, Mem. Soc. Phys. Hist. Nat. Gen§ve 8: 63. 1838. 



Convolvulus secundiflorus Fernald, Proc. Amer. Acad. 33: 90. 1897. 



Jacquemontia pauciflora T. S. Brandeg. Univ. Calif. Publ. Bot. 4: 384, 1913. 



Veracruz, Oaxaca, and Chiapas. Central and South America. 



Stems chiefly or wholly herbaceous^, glandular-pilose, slender; leaves ovate- 

 oblong to rounded-ovate, 1 to 4 cm. long, mostly long-acuminate, pilose; csTues 

 mostly 3-flowered, the flowers short-pedicellate ; corolla blue, about 1 cm. long. 



9. Jacquemontia abutiloides Benth. Bot. Voy. Sulph. 34. 1844. 



Baja California and Sonora ; type from Magdalena Bay, Baja California. 



Woody vine, usually densely tomentose almost throughout ; leaves short- 

 petiolate, ovate or rounded-ovate, 1 to 4 cm. long, rounded to acuminate at 

 apex, mucronate, usually deeply cordate at base; cymes on long or short 

 peduncles, dense, usually few-flowered; corolla blue, 1.2 to 1.5 cm. long. 



10. Jacquemontia pentantha (Jacq.) Don, Hist. Dichl. PI. 4: 2S3. 1S3S. 

 Convolvulus pentanthus Jacq. Coll. Bot. 4: 210. 1790. 



Convolvulus violaceus Vahl, Symb. Bot. 3: 29. 1794. 



Jacquemoutla riohicea Choisy, M6m. Soc. Phys. Hist. Nat. Geneve 8: 61. 1838. 



Sinaloa to Veracruz and YucatSn. Southern Florida, West Indies, Central 

 and South America. 



Stems chiefly herbaceous, pubescent or glabrate; leaves ovate or ovate-cor- 

 date, 2 to 9 cm. long ; peduncles mostly longer than the leaves ; corolla 1.2 to 2 

 cm. long, blue or rarely white. 



11. Jacquem.ontia apiculata House, Muhlenbergia 5: 66. 1909. 

 Chihuahua and Tamaulipas ; type from Victoria, Tamaulipas, 



Stems thinly tomentose; leaves rounded-cordate, 2 to 5 cm. long, shallowly 

 cordate at base; peduncles longer than the leaves, the cymes lax, the flowers 

 mostly long-pedicellate; corolla blue, about 2 cm. long. " Enredadera " (Tamau- 

 lipas). 



79688—24 23 



