1176 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Stems glabrous or nearly so; leaves linear, 1 to 5 cm. long, acute; umbels 

 sessile, 3 to 6-flowered ; calyx lobes obtuse. 

 Keported by Hemsley as 31. cubense Decaisne. 



8. BLEPHARODON Decaisne in DC. Prodr. 8: G03. 1844. 



1. Blepharodon mucronatum. (Schlecht.) Decaisne in DC. Prodr. 8: 603. 1S44. 



Astephanus imicronatus Schlecht. Linnaea 8: 518. 1833. 



Philibertia anomala T. S. Brandeg. Univ. Calif. Publ. Bot. 4: 277. 1912. 



Blepharodon anonmlum Schlechter, Repert. Sp. Nov. Fedde 13: 283. 1914. 



San Luis PotosI and Veracruz to Oaxaca and Chiapas ; type from Hacienda 

 de la Laguna, Veracruz. Central America. 



Glabrous vine, herbaceous or suffrutescent ; leaves short-petiolate, oblong 

 to elliptic, 2.5 to 7.5 cm. long, cuspidate, obtuse or rounded at base, pale 

 ))eneath and with conspicuous venation, leathery ; cymes pedunculate, umbel- 

 like, the pedicels filiform ; corolla rotate, about 1 cm. broad, the lobes lance- 

 oblong, obtuse, glabrous outside, papillose within above, ciliate; corona lobes 

 oval, obtuse, shorter than the gynostegium. 



9. BASISTELMA Bartlett, Proc. Amer. Acad. 44: 631. 1909. 



Plants scandent, herbaceous or suffrutescent ; leaves linear or nearly so, 

 short-petiolate ; flowers small, axillary, solitary or in few-flowered cymes ; calyx 

 5-lobate, the lobes narrow, acute ; corolla campanulate, the lobes pilose within 

 below the middle, dextrorsely contorted ; corona lobes fleshy, lanceolate or 

 triangular-subulate ; poUinia pendulous ; stigma produced into a cylindric beak. 



Only the two following species are known. 



Beak of stigma short; anther appendages recurved 1. B. mexicanum. 



Beak of stigma elongate; anther appendages not recurved_2. B. angustifolium. 



1. Basistelma mexicanum (T. S. Brandeg.) Bartlett, Proc. Amer. Acad. 44: 



632. 1909. 



ilelinia mexicana T. S. Brandeg. Zoe 5 : 216. 1905. 



Type from Cerro Colorado, Sinaloa. 



Stems slender, sparsely pubescent ; leaves narrowly linear, 2.5 cm. long ; 

 peduncles about 4-flowered, 3 mm. long; corolla 2.5 mm. long, the lobes linear; 

 follicles 4 cm. long, 7 mm. thick, glabrous. 



2. Basistelma angustifolium (Torr.) Bartlett, Proc. Amer. Acad. 44: 632. 



1909. 



Metastelma angustifolium Torr. U. S. & Mex. Bound. Bot. 159. 1859. 



Melinia angustifolia A. Gray, Proc. Amer. Acad. 12: 73. 1877. 



PattaUas angustifoUus S. Wats. Proc. Amer. Acad. 24: 60. 1889. 



Sonora; type from Santa Cruz. Southern Arizona. 



Stems slender, glabrous or nearly so ; leaves 2 to 4 cm. long, acute ; peduncles 

 1 to 3-flowered, very short, the pedicels mostly shorter than the flowers ; 

 corolla 2.5 mm. long; follicles about 5 cm. long and 6 mm. thick, glabrous. 



10. CYNANCHUM L. Sp. PI. 212. 1753. 



Plants scandent, herbaceous or suffrutescent, glabrous or pubescent ; leaves 

 petiolate or sessile; flowers small, in umbelliform cymes, yellowish green; 

 calyx 5-parted, often glandular, the lobes acute or obtuse ; corolla campanulate- 

 rotate, the lobes contorted ; corona attached to the stamen tube, shallowly lo- 

 bate ; pollinia pendulous ; stigma conic ; follicles smooth. 



