STAXDLEY TREES AND SHRUBS OF MEXICO. 1231 



Shrub, suberect with pendent branches or scandent ; leaves lanceolate to 

 oblong-ovate, 4 to 10 cm. long, acuminate, rounded or obtuse at base, usually 

 grayish-sericeous, densely so beneath ; spikes few or numerous, lax, long and 

 slender ; corolla tube about 3 mm. long, the lobes short ; fruit 5 mm. or less 

 in diameter. " Xulkin " (Yucatan, Maya) ; " comida de culebra " (Nicaragua) ; 

 " pringamoza " (Porto Rico). 



6. Tournefortia nelsoni Donn. Smith, Bot. Gaz. 23: 10. 1897. 



Veracruz and Puebla. Guatemala ; type collected between San Martin and 

 Todos Santos. 



Scandent shrub ; leaves petiolate, elliptic or ovate, 10 to 30 cm. long, acumi- 

 nate, rounded or obtuse and decurrent at base, densely brownish-pubescent 

 beneath ; cymes large, the spikes numerous, elongate. 



7. Tournefortia caeciliana Loesener, Verb. Bot. Ver. Brandenb. 55: 100. 1913. 

 Type collected near Ococingo, Chiapas. 



Leaves petiolate, oblong, 18 to 27 cm. long, caudate-acuminate, cuneate at 

 base, densely velutinous beneath ; spikes numerous, elongate ; fruit 7 to 8 

 mm. long. 



8. Tournefortia gnaphalodes (L) R. Br. Prodr. Fl. Nov, Holl. 496. 1810. 

 Heliotropium gnaphalodes L. Syst. Nat. ed. 10. 1913. 1759. 

 Mallotonia gnaphalodes Britton, Ann. Mo. Bot. Gard. 2: 47. 1915. 

 Yucatan, on seashores. Florida ; West Indies. 



Shrub, 1 meter high or less, densely silvery-sericeous throughout ; leaves 

 4 to 10 cm. long ; cymes headlike, with 2 to 4 short branches ; calyx lobes 

 obtuse, nearly as long as the corolla ; fruit ovoid, black, 5 mm. long. " Te 

 del mar," " temporana " (Porto Rico). 



9. Tournefortia calycina Benth. Bot. Voy. Sulph. 139. 1844. 

 Michoacan to Oaxaca ; type from Acapulco. 



Low shrub ; leaves short-petiolate, lanceolate to broadly ovate, 6 to 12 cm. 

 long, acuminate, attenuate or abruptly decurrent at base, scabrous ; cymes 

 composed of usually 4 dense spikes ; corolla white, the tube 6 to 7 mm. long. 



10. Tournefortia mollis (Torr.) A. Gray, Proc. Amer. Acad. 10: 50. 1875. 



Heliophytum molle Torr. U. S. & Mex. Bound. Bot. 138. 1859. 



Tournefortia monclovana A. Gray, Proc. Amer. Acad. 18: 120. 1883. 



Chihuahua and Coahuila. Western Texas, the type collected opposite Pre- 

 sidio del Norte. 



Plants about 30 cm. high or less, erect, chiefly herbaceous, soft-pubescent 

 throughout ; leaves lance-oblong to deltoid-ovate, 3 to 10 cm. long, rounded or 

 truncate at base and often short-decurrent ; corolla tube 4 mm. long. 



11. Tournefortia hartwegiana Steud. Nom. Bot. ed. 2. 2: 693. 1S41. 

 Tournefortia capitata Mart. & Gal. Bull. Acad. Brux. 112: 332. 1844. 

 Baja California and Sonora to Tamaulipas, San Luis PotosI, and Oaxaca ; 



type from Bolaiios, Jalisco. 



Erect shrub, 1 to 4 meters high ; leaves lanceolate, oblanceolate, or elliptic- 

 oblong, 5 to 13 cm. long, acuminate, attenuate at base, scabious above, sca- 

 berulous or pubescent beneath ; flowers sweet-scented ; corolla white, the tube 

 about 6 mm. long ; fruit white. " Hierba del zapo," " hierba del burro," " con- 

 fite coyote" (Sinaloa). 



12. Tournefortia hirsutissima L. Sp. PI. 140. 1753. 



ITournefortia asperrinia Mart. & Gal. Bull. Acad. Brux. 112; 333. 1844. 

 Messerschmidia chrysantha Mart. & Gal. Bull. Acad. Brux. 11^: 334. 1844. 

 Tournefortia chrysantha Walp. Repert. Bot. 6: 556. 1846-47. 



