STANDLEY TEEES AND SHRUBS OF MEXICO. 1165 



10. Echites apocynifolia A. Gray, Pi-oc. Amer. Acad. 22: 435. 1887. 

 Jalisco to Oaxaca ; type from Rio Blanco, Jalisco. 



Plants suberect, puberulent ; leaves short-petiolate, ovate-lanceolate to ellip- 

 tic, acute or obtuse, glabrate in age ; racemes few-flowered ; corolla yellow, the 

 tube 1 cm. long; follicles torulose. 



11. Echites inicrocalsrx A. DC. in DC. Prodr. 8: 456. 1844. 

 Echites secundiflora A. DC. in DC. Prodr. 8: 457. 1844. 



Echites jasmini flora Mart. «& Gal. Bull. Acad. Brux. 11: 357. 1844. 



Sinaloa to Veracruz, Tabasco, and Chiapas. Central America and northern 

 South America ; type from Caracas, Venezuela. 



Scandent shrub ; leaves short-petiolate, oblong to ovate-elliptic or obovate, 3 

 to 7 cm. long, acute or acuminate, cordate or hastate at base, pilosulous be- 

 neath or rarely glabrous, thin ; racemes few or many-flowered ; corolla yellow ; 

 follicles 8 to 20 cm. long, very slender, conspicuously torulose. " Flor del mico " 

 (Guatemala, Honduras). 



12. Echites mexicana (Muell. Arg. ) Miers, Apocyn. S. Amer. 205. 1878. 

 Amblyanthera mexicana Rluell. Arg. Linnaea 30: 424. 1860. 



Type from " Victoria." 



Leaves ovate-lanceolate, 4 to 5 cm. long, acuminate, cordate at base, pubes- 

 cent ; racemes few-fiowered. 



DOUBTFUL SPECIES. 



Echites aspera Mart. & Gal. Bull. Acad. Brux. 11: 359. 1844. Type from 

 Rfo de las Vueltas, Oaxaca. 



Echites cordata A. DC. in DC. Prodr. 8: 451. 1844. Based upon one of 

 Sesse and Mocino's drawings ^ of a Mexican plant. 



Echites pandurata A. DC. in DC. Prodr. 8: 458. 1844. Type from San 

 Dionisio, Oaxaca. 



20. STREPTOTBACHEIiXJS Greenm. Proc. Amer. Acad. 32: 298. 1897. 

 The genus consists of a single species. 



1. Streptotrachelus pringlei Greenm. Proc. Amer. Acad. 32: 298. 1897. 



Morelos and Guerrero ; type from Cuernavaca, Morelos, altitude 1,560 meters. 



Large woody vine ; leaves opposite, slender-petiolate, oblong-ovate to ovate- 

 elliptic, 4 to 8 cm. long, short-acuminate, rounded or subcordate at base, pu- 

 berulent ; flowers greenish yellow or purplish, in axillary pedunculate cymes ; 

 calyx 5-parted, puberulent, eglandular, about 4 mm. long, the lobes lance- 

 linear ; corolla salverform, the tube about 2 cm. long, twisted ; anthers sagit- 

 tate, acuminate, appendaged at base ; follicles 20 to 30 cm. long, slender, toru- 

 lose ; seeds with an apical tuft of soft hairs. 



21. SECONDATLA. DC. Prodr. 8: 445. 1844. 



Secondatia difformis (Walt.) Benth. & Hook., a United States species, has 

 been reported from Nuevo Le6n, but probably incorrectly. At least a part 

 of the specimens so labeled belong to the genus Echites. 



1. Secondatia stans (A. Gray) Standi. 



Trachelospermum starts A. Gray, Proc. Amer. Acad. 21: 394. 1886. 



Sinaloa to Chihuahua, Queretaro, Guanajuato, and MichoacS,n ; type from 

 the city of Chihuahua. 



' DC. Calq. Dess. Fl. Mex. j)l. 796. 



79688—24 ^21 



