1164 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



2. Eckites smithii Greenm. Proc. Amer. Acad. 40: 29. 1904. 

 Oaxaca ; type from Saloma, altitude 1,980 metei's. 



Stems puberulent; leaves short-petiolate, oblong-lanceolate, 3 to 6 cm. long, 

 acute, subcordate at base, glabrous or puberulent above, glabrous beneath ; 

 racemes short, 1 to 3-flowered ; calyx 4 to 5 mm. long ; corolla yellow, glabrous ; 

 follicles pubescent. 



3. Echites tuxtlensis Standi., sp. nov. 



Type from Tuxtla, Chiapas, altitude 720 to 840 meters (Nelson 3080; U. S. 

 Nat. Herb. no. 234032). 



Stems glabrous; leaves short-petiolate, the petioles puberulent, the blades 

 lance-oblong or linear-oblong, 5 to 10 cm. long, 0.8 to 2.5 cm. wide, acute or 

 acuminate, acute at base, thick, pale, glabrous, the lateral nerves obsolete be 

 neath ; racemes slender, few-flowered, longer than the leaves, glabrous, the 

 flowers long-pedicellate ; calyx lobes triangular, acute, 1 to 1.5 mm. long ; 

 corolla tube 8 mm. long, the lobes 4 to 5 mm. long. 



4. Echites trifida Jacq. Enum. PI. Carib. 13. 1760. 



Oaxaca. Central America and northern South America ; type from Carta- 

 gena, Colombia. 



Scandent glabrous shrub ; leaves petiolate, elliptic-oblong or oval-elliptic, 

 6 to 11 cm. long, acute or short-acuminate, rounded or obtuse at base; calyx 

 5 to 6 mm. long; corolla purplish, the tube 2.5 to 3 cm. long; follicles slender, 

 30 to 35 cm. long, not torulose. 



5. Echites umbellata Jacq. Enum. PI. Carib. 13. 1760. 

 Yucatfln and perliaps elsewhere. West Indies. 



Leaves petiolate, ovate to oval, 4.5 to 10 cm. long, rounded or abruptly 

 short-acuminate at apex, rounded at base, thick; racemes few-flowered; corolla 

 white or pale yellow; follicles rather stout, 15 to 21 cm. long. 



6. Echites rosea A. DC. in DC. Prodr. 8: 450. 1844. 



Reported from San Luis PotosI, perhaps erroneously. Cuba. 



Glabrous vine; leaves ovate-lanceolate, 1 to 2.5 cm. long, acuminate, sub- 

 sessile ; peduncles 2 or 3-flowered ; corolla purplish, with slender tube ; follicles 

 about 7.5 cm. long. 



7. Echites tubiflora Mart. & Gal. Bull. Acad. Brux. 11: 358. 1844. 

 Jalisco to Veracruz, Morelos, and Michoacdn ; type from Jalapa, Veracruz. 



Guatemala. 



Leaves petiolate, lance-oblong to elliptic, 4 to 9 cm. long, acute or short- 

 acuminate, cordate at base, pilosulous or densely whitish-tomentose beneath; 

 racemes secund, usually many-flowered ; corolla 12 to 18 mm. long, 



8. Echites lanata Mart. & Gal. Bull. Acad. Brux. 11: 359. 1844. 

 Type from Sola, Oaxaca, altitude 1,200 meters. 



Stems pubescent ; leaves sessile, ohovate, coriaceous, acuminate, cordate at 

 base, lanate beneath; racemes longer than the leaves; flowers about 2.5 cm. 

 long. 



9. Echites coulteri S. Wats. Proc. Amer. Acad. 18: 113. 1883. 



Coahuila to San Luis PotosI and Hidalgo; type from the Sierra Madre 

 south of Saltillo, Coahuila. 



Plants scandent or suberect; leaves oblong-obovate to oval-elliptic, 2 to 4.5 

 cm. long, usually rounded at apex but often apiculate, sometimes emarginate, 

 acute to rounded at base, pilosulous or puberulent beneath or finally glabrate : 

 corolla tube about 1 cm. long; follicles 5 to 10 cm. long, torulose. 



