STANDLEY TREES AND SHRUBS OF MEXICO. 513 



Venation of the leaflets conspicuously impressed on the upper surface. 



Upper margin of the fruit conspicuously thickened 18. L. sericeus. 



Upper margin of the fruit not thickened. 



Ovules 7 or 8 ; fruit thin 22. L. rugosus. 



Ovules 2 or 3 ; fruit coriaceous. 



Fruit 7 to 11.5 cm. long 23. li. eriocarinalis. 



Fruit about 4 cm. long 24. L. jaliscensis. 



1. Lonchocarpus unifoliolatus Benth. Journ. Proc. Linn. Soc. Bot. 4: Suppl. 



90. 1860. 



Puebla and perhaps elsewhere in southern Mexico, the type from some un- 

 certain locality. 



Small tree ; leaflets ovate, 10 to 12.5 cm. long, acuminate ; flowers pink, 

 racemose. 



2. Lonchocarpus longistylus Pittier, Contr. U. S. Nat. Herb. 20: 62. /. 10. 



1917. 



Yucatan ; type from Xbalch§. 



Tree with purplish flowers ; leaflets 11 to 15, oblong or ovate, 3.5 to 8.5 cm. 

 long; fruit 1 or 2-seeded, 8 to 8.5 cm. long, 3 cm. wide, with thin margins. 

 " Bal-che," " xbal-ch§ " ( Maya ) . 



3. Lonchocarpus longipedicellatus Pittier, Contr. U. S. Nat. Herb. 20: 61. 



f. 8. 1917. 

 Known only from the type locality, Jiquipilas, Chiapas. 



Tree ; leaflets 7 or 9, oblong or ovate, 8.5 to 10.5 cm. long, obtuse or acute ; 

 flowers purplish. 



4. Lonchocarpus cochleatus Pittier, Contr, U, S. Nat. Herb. 20: 68. pi. Jf, C. 



1917. 

 Known only from the type locality, El Calabazal, Guerrero. 

 Tree, 4 to 5 meters high ; leaflets 4 to 9.5 cm. long, obtuse or acuminate ; 

 fruit 4 to 9.5 cm. long, 2.5 to 4.5 cm. wide, with thin edges. 



5. Lonchocarpus hondurensis Benth. Journ. Proc. Linn. Soc. Bot. 4: Suppl. 



91. 1860. 



Tabasco. Honduras (type locality) and British Honduras. 

 Tree, 6 to 8 meters high; leaflets usually 5, 3.5 to 10 cm. long; flowers 

 purplish red. " Gusano " (Tabasco). 



6. Lonchocarpus meg-alanthus Pittier, Contr. U. S. Nat. Herb. 20: 70. f. 19. 



1917. 

 Sinaloa and Tepic ; type from Tepic. 



Tree, about 10 meters high, with low branches ; leaves deciduous, the leaf- 

 lets 3.5 to 9 cm. long. 



7. Lonchocarpus mexicanus Pittier, Contr. U. S. Nat. Herb. 20: 71. /. 20. 1917. 

 Known only from the type locality, San Andres Tuxtla, Veracruz, altitude 



500 meters. 

 Tree with purplish flowers. 



8. Lonchocarpus minimiflorus Donn. Smith, Bot. Gaz. 44: 110. 1907. 

 Chiapas. Guatemala ; type from Santa Barbara. 



Tree, 8 to 10 meters high, with purple flowers ; leaflets 7 to 13. 



9. Lonchocarpus lanceolatus Benth. Journ. Proc. Linn. Soc. Bot. 4: Suppl. 92. 



1860. 

 Sinaloa to Oaxaca. 



Shrub or small tree with purple flowers; leaflets 9 to 15, 2 to 4 cm. long; 

 fruit usually 1-seeded. " Cabo de hacha " (Sinaloa). 



