1318 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



8. ARRABIDAEA DC. Bibl. Univ. Geneve 17: 126. 1838. 



Scandent shrubs; leaves opposite, 2 or 3-foliolate, the leaflets entire, the ter- 

 minal one often replaced by a tendril; flowers large or small, in chiefly terminal 

 panicles; calyx campanulate, truncate or 5-denticulate; corolla funnelform-cam- 

 panulate; fruit a linear capsule, obcompressed. 



Corolla 1.3 to 1.8 cm. long 1. A. floribunda. 



Corolla 3.5 to 4.5 cm. long. 



Corolla thinly villosulous outside 2. A. litoralis. 



Corolla densely and closely tomentellous 3. A. seleriana. 



1. Arrabidaea floribunda (H. B. K.) Loesener, Repert. Sp. Nov. Fedde 16: 



209. 1919. 



Bignonia floribunda H. B. K. Nov. Gen. & Sp. 3: 134. 1818. 



Bignonia andrieuxii DC. Prodr. 9: 156. 1845. 



1 Arrabidaea pseudochica Kranzlein, Repert. Sp. Nov. Fedde 17: 19. 1921. 



Oaxaca, Campeche (type locality), and Yucatdn. 



Leaflets 2, ovate to ovate-oblong, 9 cm. long or less, obtusely acuminate or 

 obtuse, rounded or obtuse at base, glabrous, lustrous, the upper leaves, at least, 

 purple when dried; panicles large and many-flowered; calyx 3 mm. long, trun- 

 cate, purple-tomentulose; corolla purple, puberulent. "Xbaque ak" (Yucatdn, 

 Maya) . 



2. Arrabidaea litoralis (H. B. K.) Standi. 



Bignonia litoralis H. B. K. Nov. Gen. & Sp. 3: 139. 1818. 



Guerrero; type from Acapulco. 



Large vine; leaflets 2 or 3, broadly ovate to elliptic, 13 cm. long or less, acumi- 

 nate, rounded at base, pubescent or glabrate beneath; panicles large and many- 

 flowered; calyx 3 to 4 mm. long, puberulent; corolla purple; fruit 20 to 35 cm. 

 long, 10 to 13 mm. wide, glabrous. "Bejuco vaquero." 



Palmer reports that the stems are used for clotheslines. 



3. Arrabidaea seleriana Loesener, Verh. Bot. Ver. Brand. 56: 99. 1923. 

 Tj'pe from Tequisistldn, Oaxaca. Guatemala. 



Leaves not known; flowers "pale red," 3 to scarcely 4 cm. long; calj'x 3 to 6 

 mm. long, very shortly puberulent. obscurely 5-dentate. 



9. PETASTOMA Miers, Proc. Hort. Soc. Lond. 3: 194. 1863. 

 1. Petastoma patelliferum (Schlecht.) Miers, Proc. Hort. Soc. Lond. 3: 195. 

 1863. 



Bignonia patellifera Schlecht. Linnaea 8: 516. 1833. 



Veracruz, Oaxaca, and Chiapas; type from Hacienda de la Laguna, Veracruz. 

 Central America to Brazil. 



Large woody vine; leaves opposite, bifoliolate, often ending in a tendril but the 

 tendril more commonly absent; leaflets elliptic or broadly ovate, 5 to 13 cm. 

 long, short-acuminate, rounded at base, densely pubescent or glabrate, entire; 

 flowers purple, in large terminal leafj^ panicles; calyx broadly campanulate or 

 saucer-shaped, truncate, glabrous or nearly so; corolla funnelform-campanulate, 

 pale purple, 3.5 to 4 cm. long, glabrous outside except on the lobes; capsule 

 obcompressed, linear, 20 to 30 cm. long, 10 to 13 mm. wide, smooth, glabrous; 

 seeds winged, 15 to 17 mm. wide. "Bejuco de corral" (El Salvador). 



10. TECOMA Juss. Gen. PI. 139. 1789. 

 1. Tecoma stans (L.) H. B. K. Nov. Gen. & Sp. 3: 144. 1818. 

 Bignonia stans L. Sp. PI. ed. 2. 871. 1763. 

 Tecoma mollis H. B. K. Nov. Gen. & Sp. 3: 144. 1818. 

 Tecoma stans velutina DC. Prodr. 9^ 224. 1845. 



