PERKINS THE LEGUMINOSAE OF PORTO RICO. 141 



Tnga vera is used extensively for shade in coffee plantations. Cook and Collins, 

 p. L67. The bark of the tree i- employed as an astringent, ;m<l in Guadalou] 

 tanning and dyeing; the sweet pulp is often eaten, and it is also used in catarrhal 

 maladies. 



Local Dames, guai <i. guaba. 



2. Inga laurina Sw.) Willd. 

 Urban, 2t 



Tree LO to L5 meters high; leaflets 2-jugate, ovate or oval-oblong, obtuse or ol 

 acuminate, coriaceous, glabrous, the largesl 7 to L2 cm. long; -pike- axillary, elon- 

 gated; flowers white; calyx 1.5 mm. long; corolla 5 to 6 mm. long; Legume oblique at 

 the base, 7.5 to LO cm. long, 2.5 cm. wide. 



In woods near Bayamon; near Juncos on Mount Goyo; Sierra de Yabucoa on Mount 

 l rordo; near Maunabo, on Mounl Mala Pasqua in the town of Utuado; neai ■ 

 Rojo; near Mayaguez. Haiti, St. Thomas, St. Croix I Si John 1.. 



Kitts, Antigua, Guadeloupe, Dominica, Martinique, St. Lucia Bentham , St. Vincent, 

 Barbados, < rrenada, Trinidad Bentham . 



According to Cook and Collins p. L67) this spe< iee is second in importance only to 

 Inga i era as a shade tree for coffee. 



Local name, guama. 



2. PITHECOLOBIUM Mart. 



Pithecolobium Mart. Flora 20-: Beibl. 11-1. L837. 



Spiroloba Rap. Sylva Tellur. L19. L838. 



Catkormion Basse. Retzia 1: 231. L855. 

 Flowers 5-merous, seldom 6-merous, hermaphrodite, rarely polygamous; calyx 

 campanulate or tubular, short-dentate; corolla tubular or funnel-shaped, petals 

 nate beyond the middle; stamens indefinite, often connate; ovary sessile or stipitate, 

 ovules numerous; legume compressed, circinate, curved, or almost straight, coriace- 

 ous or Bomewhat fleshy, two-valved, the valves after the dehiscence often twisted, 

 oftener indehiscent or in Borne species separating into L-seeded segments; seeds flat, 

 ovate or circular, often imbedded in a fleshy pulp; funiculus filiform or forming an aril. — 

 Trees and shrubs, the majority of which are unarmed, although many have thorny 

 Btipules; leaves bipinnate; flowers red or white; inflorescence capitate or spicate, 

 axillary or sometimes corymbose, racemose, or panicled at the extremitii 



KEY TO THE SPE< 1! S. 



Leaflets glabrous beneath. 



Pinnae 2 to 5- jugate, leaflets 2 to 8- jugate. 1. /' 



Pinnae 8 to 12-jugate, leaflets 20 to 30-jugate. 2. /' • ; 



Leaflets pubescent beneath. 3. /" 



1. Pithecolobium saman (Jacq.) Benth 

 Urban, 264. 



A large tree; leaflets oblique, ovate-oblong or suborbiculate, 2 to 5 cm. long, 1.5 to 

 2.5 cm. wide; flowers rose-colored, in a globose head; calyx s mm. long; corolla 1.5 

 cm. long; legume 18 to 20 cm. long, 1.25 to 2.50 cm. wide. 



Doubtfully indigenous. Near Bayamon at Catano; near Manati on the way to 

 Vrecibo. Cuba, Jamaica (introduced, Bentham), St. Thomas introduced 

 St. Croix '1" i, Guadeloupe cultivated), Martinique cultivated . St. 1 u 

 bach . Trinidad (Harl . Native country, t 'entral and South America. 



