418 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



22. Bauhinia mexicana Vog. Linnaea 13 : 299. 1839. 

 Bauhinia con-fusa Rose, Contr. U. S. Nat. Herb. 10: 97. 1906. 

 Tamaulipas to Veracruz and Puebla ; type from Papantla, Veracruz. 



Shrub or small tree, 2 to 4.5 meters high, the trunk sometimes 12 cm. in diam- 

 eter, the bark gray, rough ; leaves 3 to 6.5 cm. wide, puberulent or glabrate be- 

 neath ; flowers 2 to 2.5 cm. long, white, often tinged with pink ; fruit 1.2 to 1.5 

 cm. wide, straight or falcate. " Pata-vaca," " pata de vaca " (Tamaulipas). 



Plant used in T<-imaulipas as a remedy for jaundice. 



23. Bauhinia divaricata L. Sp. PI. 374. 1753. 



San Luis PotosI to Tabasco and Yucatdn. Central America and We.st Indies. 



Shi-ub or tree, 1.8 to 9 meters high ; leaves 3 to 9 cm. wide, subcordate at base, 

 the lobes usually divaricate, obtuse or acutish ; flowers white, about 2 cm. long ; 

 fruit 1 to 1.5 cm. wide, f Pata de vaca" (Yucatiln, San Luis Poto.sl) ; " tzu 

 luth" (Yucatan, Maya, Seler) ; "pata de res " (San Luis PotosI) ; " huaratichil " 

 (San Luis Potosf, Seler) ; " pato de chivo " (Santo Domingo). 



Wood used by the Indians for making bows. The species has been reported 

 from Mexico as B. porrectfi Swartz. 



24. Bauhinia spathacea DC. Prodr. 2:512. 1825. 

 Oaxaca to YucatS,n. 



Shrub or small tree ; leaves 2 to 5.5 cm. wide ; flowers white. " Pata de vaca " 

 (YucatS^n), 



The material referred here by the writer may not be correctly identified, and 

 it is doubtful if it is specifically distinct from the preceding species. The plant 

 has been reported from Yucatan as B. porrecta Swartz. 



25. Bauhinia schlechtendaliana Mart. & Gal. Bull. Acad. Brux. 10^308. 1843. 

 Bauhinia goldmani Rose. Contr. U. S. Nat. Herb. 10: 97. 1906. 



Oaxaca and Chiapas ; type from Rio de las Vueltas, Oaxaca. 

 Tree, 6 to 8 meters high; leaves 4 to 5 cm. wide, the lobes obtuse or acute; 

 flowers 2.5 cm. long ; fruit about 12 cm. long and 1.2 cm. wide. 

 Doubtfully distinct from the next species. 



26. Bauhinia latifolia Cav. Icon. PI. 5: 4. pi. J,05. 1799. 

 Bauhinia amblyophylla Harms, Bull. Herb. Boiss. 7: 548. 1899. 



Sinaloa to Oaxaca and Veracruz ; type from Acapulco, Guerrero. Guatemala. 



Shrub or tree, 2 to 6 meters high, the bark brownish gray, shallowly fissured ; 

 leaves 3.5 to 11 cm. wide, pubescent beneath, the lobes acute to rounded ; fruit 1 

 to 1.5 cm. wide; wood nearly white. " Pata de venado " (Michoac^n, Guerrero) ; 

 "pie de venado" (Oaxaca); "pata de cabra," " pi6 de cabra," " guacimilla 

 cimarrCna " ( Sinaloa ) . 



8. HAEMATOXYLUM L. Sp. PI. 384. 1753. 



Trees or shrubs, glabrous or nearly so, armed with stout spines; leaves 

 pinnate, the leaflets few, of medium size; flowers yellow, racemose, the racemes 

 axillary ; fruit flat, thin, dehiscent along the sides. 



Petals 5 to 6 mm. long 1 1. H. campechianum. 



Petals 7 to 9 mm. long 2. H. brasiletto. 



1. Haematoxylum campechianum L. Sp. PI. 384. 1753. 



Tabasco, Canii)eche (type locality), and YucatAn. West Indies. 



Tree, sometimes 15 meters high, the trunk and branches gnarled, flattened 

 and irregularly fissured, covered with grayish or brownish, rough bark; 

 leaflets broad, somewhat wedge-shaped, 1 to 3 cm. long, with numerous fine 

 parallel veins, emai'ginate at apex; flowers ill-scent<>d ; wood hard, with char- 

 acteristic odor, the sapwood yellowish, the heartwood reddish brown, becom- 

 ing deep red on exposure, the specific gravity about 1.003. Known in Mexico 

 as " palo de tinta," " tinto," " palo de Campeche." 



