1 \ 1 



CONTRIBUTIONS FROM Mil. NATIONAL HERBARIUM, 



and La Boca, and in the coast districts near Laguna; near Lares on declivities 

 al Barrio Piletas; Dear Quebradillas; between [aabela and Quebradillaa; oear Toa 



Bahama Hitchcock . Cuba Grisebach . Jamaica, Ham. Vieque* 

 St. John, Grenada. Tropical continental America, tropical western Africa. 

 Thia Bhrub yields a gum, copaltic, thai is used as a medicament in the West [ndies. 

 I al names, cojobillo, tj aboba(\ rban); acacia pin 



and Colli] 



l 1 Oalliandra haematostoma (Bertero) Benth. 

 (Urban, 2i 



Shrub, armed; 2 to 3 meters high; leaflets oblong, obtuse, 3 to 7 nun. long, glabrous, 

 Bubciliatc; peduncle very short; stipules -piny or with spines al their base; corolla 

 5 mm. long; Btamens red; anthers white; Legume s to LO cm. Long, Linear, villous- 

 pubescenl . coriaceous. 



Near Guayanilla, on calcareous rocks of the coasl al Pefion, rare. Bahama (Ben- 

 i ha in . Cuba (Ben tham), Jamaica, Haiti, St. Thomas in Flaghill, not often round, with 

 flowers in ( October Eggere . 



5. ACACIA Willd. 



Sassa ..in < e; .1. F. Gmelin, Syst. 2: L038. L791. 

 Acacia W'n i d. Sp. PI. 4: L049. L806. 

 Phyllodoa I. ink. Bandb. 2: L32. L831. 



Flowers hermaphrodite or polygamous; calyx campanulate, toothed or lobed, the 

 Bepals seldom distinct or wanting; petals free or united, more or less connate, rarely 

 united with ili*- stamens, rarely wanting; stamens numerous, free oi slightly and 

 irregularly consolidated at the base; ovary sessile or stipitate, I to many-seeded; 

 legume oval, linear or oblong, straight, curved or twisted, flat, convex or terete, mem- 

 branous, coriaceous or woody, 2-valved or indehiscent, continuous or septate within, 

 rarely \\ iili pulp, \ ery Beldom separating into segments; seeds usually oval, compn 

 often wit li an aril. 



Trees, rarely herbs, unarmed or with prickles or thorns: leaves bipinnate, with 

 multi jugate leaflets, or reduced toa phyllodium;stem glands more or less conspicuous; 

 stipules small mi- wanting, membranous, rarely transformed into a curved thorn; 

 flower-heads pedunculate, yellow, rarely white I or 2-f asciculate in the axils of the 

 leaves, or racemose at the extremities. 



KEY TO THE SPECIES. 



Armed. 



Ligneous plant, sometimes Bcandent; stem, branches, and pe- 

 duncle armed with small recurved prickles: pinnae 6 to 12- 

 jugate; leaflets lot" 10-jugate; legume stipitate, 10 to 20 cm. 

 long, I i<> I.") cm. wide, glabrous or glauco-tomentose, thin. 

 Small tier or shrnl): stipnlar spines slender, straight; pinnae 

 2 to 8; leaflets l<» \<< 2 5- jugate; Legume sessile, turgid, cylin- 

 drical or subfusiform, straight or curved, glabrous, •"> to 7 cm. 

 long, !• mm. w ide. 

 Unarmed. 



Tree; flowers Bpicate; pinnae I to 6- jugate; leaflets l<> t-> 16 

 jugate, ovate-elliptic or broadly oblong, oblique, obtuse, at 

 Length coriaceous, I cm. long, 5 mm. wide. 



I . .1. riparia. 



i. farnesiana. 



:;. .1. nuaHflora. 



