360 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



13. Mimosa cabrera Karst. Fl. Columb. 2: 63. pi. 132. 1869. 

 Chiapas. Central America and Colombia (type locality). 



Small tree, armed with very stout flat spines; leaflets about 5 mm. long, 

 linear-oblong; fruit pubescent. " Tepescahuite " (Chiapas, Seler) ; " carb6n," 

 " carbonal" (Honduras); " carbonal " (Colombia); " cabrero " (Venezuela). 



14. Mimosa adenantheroides (Mart. «& Gal.) Benth. Lond. Journ. Bot. 5: 88. 

 1846. 



Acacia adenantheroides Mart. & Gal. Bull. Acad. Brux. IC: 310. 1843. 

 Guerrero and Oaxaca ; type from mountains of Sola and Yolotepeque, Oaxaca. 

 Erect shrub, armed with stout flat spines ; leaflets oblong, 3 to 13 mm. long ; 

 spikes 1.5 to 2 cm. long ; fruit 6 to 7 mm. wide, puberulent. 



15. Mimosa coelocarpa Robinson, Proc. Amer. Acad. 33:319. 1898. 

 Known only from the type locality, Topolobampo, Sinaloa. 



Very spiny shrub; leaflets about 3 mm. long; spikes 3 to 4 cm. long; fruit 

 densely pubescent. 



16. Mimosa wrightii A. Gray, PI. Wright. 2: 52. 1853. 

 Chihuahua and Sonora (type locality). Southern Arizona. 



Shrub, armed with straight flat spines ; leaflets 3 to 5 mm. long, obtuse or 

 acute ; flowers pink ; fruit densely pubescent, unarmed. 



17. Mimosa dysocarpa Benth. ; A. Gray, PI. Wright. 1: 62. 1852. 

 Chihuahua, Sonora, and Durango. Western Texas (type locality) to southern 



Arizona. 



Densely armed shrub ; leaflets 3 to 6 mm. long, pubescent ; flowers pink, 

 sweet-scented ; fruit armed on the margins with short stout spines, densely 

 pubescent. " Gatuiio " (Chihuahua). 



18. Mimosa luisana T. S, Brandeg. Zoe 5: 248. 1908. 



Puebla and Oaxaca ; type from San Luis Tultitlanapa. Puebla. 



Shrub, armed with straight flat spines ; leaflets 3 to 4 mm. long, pubescent ; 

 flowers pink, the spikes about 3.5 cm. long; fruit densely pubescent, unarmed, 

 about 5 mm. wide. 



19. Mimosa rhododactyla Robinson, Proc. Bost. Soc. Nat. Hist. 31: 260. 1904. 

 Known only from the type locality, Las Higueritas, near the boundary be- 

 tween Michoac^n and Guerrero, altitude 500 meters. 



Shrub, 3 meters high ; leaflets 3 mm. long, pubescent ; flowers pale pink. 



20. Mimosa palmeri Rose, Contr. U. S. Nat. Herb. 1 : 99. 1891. 



Mimosa fasciculata maJacocarpa Robinson, Proc. Amer. Acad. 33: 319. 1898. 



Sonora, Sinaloa, and Jalisco ; type from Alamos, Sonora. 



Shrub, 1.8 to 3 meters high, armed with stout straight spines; leaflets 2 to 



4 mm. long; flowers pink, fragrant, the spikes 4 to 6 cm. long; fruit long, 

 narrow, unarmed, about 3 mm. wide. 



21. Mimosa benthami Macbride, Contr. Gray Herb. n. ser. 59: 12. 1919. 

 Acacia fasciculata Kunth, Mimos. PI. LSgum. 75. pi. 23. 1819-24. 



Mimosa fasciculata Benth. I^ond. Journ. Bot. 5 : 88. 1846. Not M. fasciculata 



Benth. 1842. 

 Durango to Jalisco, Oaxaca, and Morelos; type from Guanajuato. 

 Shrub, armed with stout straight spines; leaflets 2 to 6 mm. long; bark 

 whitish; flowers pinkish, the spikes long and dense; fruit densely spiny, about 



5 mm. wide. "Una de gato " (Jalisco, Michoac^n, Guerrero). 



22. Mimosa albida Humb. & Bonpl. ; Willd. Sp. PI. 4: 1030. 1805. 

 Mimosa floribunda Willd. Sp. PI. 4: 1031. 1805. 



Mimosa albida floribunda Robinson, Proc. Amer. Acad. 33: 311. 1898. 

 Mimosa albida euryphylla Robinson, Proc. Amer. Acad. 33: 311. 1898. 



