1314 CONTRIBUTIONS FEOM THE NATIONAL HERBARIUM 



Stamens glabrous; leaflets usually 5; corolla yellow, pink, or purple. 



12. TABEBUIA. 

 Leaflets 1 to 3, rarely 5, but the petioles then broadly winged; fruit capsular 

 or baccate. 

 Leaves simple, linear; fruit capsular. 



Flowers yellow; seeds glabrous, broadly winged.. _1 3. ASTIANTHUS. 

 Flowers white or pink; seeds long-hairy, not winged.. 14. CHILOPSIS. 

 Leaves compound or, if simple, broader than linear; fruit baccate. 



Leaves alternate, simple; fruit 2-celled 15. AMPHITECNA. 



Leaves opposite or fasciculate, simple or compound; fruit 1-celled. 

 Calj'x spathaceous, slit along one side; fruit elongate, cylindric; 

 plants usually armed with short spines; leaves 3-foliolate 



16. PARMENTIERA. 

 Calyx campanulate, irregularly cleft or truncate; fruit globose or 

 oval; plants unarmed; leaves simple or compound 



17. CRESCENTIA. 



1. BIGNONIA L. Sp. PI. 622. 1753. 

 1. Bignonia unguis-cati L. Sp. PI. 623. 1753. 



fBignonia pubeacens L. Sp. PI. ed. 2. 870. 1763. 



f.Doxantha mexicana Miers, Proc. Hort. Soc. Lond. 3: 190. 1863. 



Bignonia acutistipula Schlecht. Linnaea 26: 375. 1854. 



? Bignonia lanuginosa Hemsl. Biol. Centr. Amer. Bot. 2: 491. 1882. 



Bignonia californica T. S. Brandeg. Zoe 5: 170. 1903. 



Baja California and Sonora to Oaxaca, Yucatdn, Veracruz, and Tamaulipas. 

 West Indies; South America. 



Woody vine, the branches often with aerial roots; leaves slender-petiolate; 

 leaflets 2, the third one replaced by a tendril, this trifid, each branch ending in 

 a sharp hook; leaflets lance-oblong to broadly ovate, 3 to 8 cm. long or larger, 

 acute, obtuse to cordate at base, entire, thin, glabrous or pubescent; flowers 

 yellow, the peduncles axillary, 1 or few-flowered; calyx campanulate, loose, 1.3 

 to 2 cm. long, subtruncate or irregularly lobate; corolla funnelform-campanulate, 

 4.5 to 7 cm. long; capsule linear, obcompressed, 30 to 40 cm. long, 1 to 1.5 cm. 

 wide, smooth; seeds 2 to 2.5 cm. long, winged. "Xcanol-ak" (Yucatdn, Maya); 

 "bejuco legitimo," "San Pedro de guia" (Tamaulipas); "liana unada," "pega- 

 palo" (Porto Rico); "una de gato" (Cuba, Porto Rico); "bejuco perdiz" 

 (Cuba); "mano de cachora" (Sinaloa); "bejuco de una" (El Salvador). 



The plant is said to be used locally as a remedy for snake bites and manchineel 

 (Hippomane mancinella) poisoning. It is reported also to have been employed 

 as a febrifuge and for intestinal inflammation. 



2. CYDISTA Miers, Proc. Hort. Soc. Lond. 3: 191. 1863. 



Scandent shrubs; leaves bifoliolate and often tendril-bearing, entire; flowers 

 large, in chiefly terminal, few-flowered, lax racemes or panicles; calyx campanu- 

 late, truncate or 5-denticulate; corolla funnelform-campanulate; fruit capsular, 

 linear, obcompressed, smooth; seeds compressed, broadly winged. 



Corolla 5 to 8 cm. long 1. C. aequinoctialis. 



Corolla 3 to 4 cm. long 2. C. diversifolia. 



1. Cydista aequinoctialis (L.) Miers, Proc. Hort. Soc. Lond. 3: 191. 1863. 



Bignonia aequinoctialis L. Sp. PL 623. 1753. 



Arrabidaea potosina Schum. & Loes. Bull. Herb. Boiss. 3: 618. 1895. 



Cydista potosina Loesener, Repert. Sp. Nov. Fedde 16: 209. 1919. 



Petastoma langlasseanum Kranzlein, Repert. Sp. Nov. Fedde 17: 56. 1921. 



Sinaloa to Tamaulipas, Veracruz, Yucatdn, Tabasco, and Chiapas. West 

 Indies; Central and South America. 



