8 BRITTON: STUDIES OF WEsT INDIAN PLANTS 
and Isle of Pines; Hispaniola; Porto Rico; Jamaica; Mexico and 
Central America. 
16. PITHECOLOBIUM SAMAN (Jacq.) Benth. Lond. Journ. Bot. 3: 
216. 1844 
Mimosa Saman Jacq. Fragm. 15. 1809. 
Calliandra Saman Griseb. Fl. Br. W. I. 225. 1860. 
Hillsides and pastures; all provinces and Isle of Pines: 
widely distributed in the West Indies. Native of continental 
tropical America. Not a true Pithecolobium. Perhaps referable 
to Zygia [P. Br.] J. St. Hil. Exp. Fam. Nat. 2: 246. 1805. The 
type of Zygia, which has long priority of publication over Pithe- 
colobium, is Z. arborescens J. St. Hil., which is the same as Pithe- 
colobium latifolium (L.) Benth. 
17. PITHECOLOBIUM BERTERIANUM (Balbis) Benth. Lond. Journ. 
Bot. 3: 220. 1844 
Acacia Berteriana Balbis; DC. Prodr. 2: 470. 1825. 
Hillsides and woodlands in dry districts. Oriente, Camagiiey, 
Santa Clara; Hispaniola; Jamaica. 
Not a true Pithecolobium. 
18. PITHECOLOBIUM TORTUM Mart. Herb. Fl. Bras. 114. 1837 
Pithecolobium vincentis Benth. Lond. Journ. Bot. 3: 222. 1844. 
Acacia lentiscifolia A. Rich. Ess. Fl. Cub. 469. 1845. 
Sand dunes, sandy river-banks, coastal thickets and hillsides 
near the coast, Santa Clara, Havana, Pinar del Rio, Isle of Pines; 
St. Vincent; Martinique; Central and South America. 
Not a true Pithecolobium. 
19. PITHECOLOBIUM PREHENSILE (C. Wright) Benth. Trans. Linn. 
Soc. 30: 593. 1875 
Calliandra prehensilis C. Wright; Sauvalle, Anales Acad. Habana 
5: 406." 1868. 
Rocky river-banks, coastal thickets and saline plains, Oriente; 
Santa Clara. Endemic. 
Perhaps a congener of P. brevifolium Benth., the type of the 
genus Havardia Small. 
