96 BULLETIN 354, U. S. DEPARTMENT OF AGEICULTUEE. 



in Jamaica for tool handles, carriage parts, fellies of wheels, saddles, and chairs. It 

 is also employed for ship's knees and cabinetwork in Mexico and Central America. 



Wood light brown, coarse grained, taking a good polish, moderately hard, heavy 

 (about 54 pounds per cubic foot), very tough, flexible, and durable in the ground. 

 Pores small, isolated or in groups of two or three, evenly distributed. Alternating 

 tangential wavy lines of hard and soft tissue are barely visible to the unaided eye on 

 a smoothly cut tranverse surface. Pith rays narrow, inconspicuous. 



LV. RubiacejE. 



162. Rondehtia portoricensis Krug & Urb. 



A recently described tree from 20 to 60 feet high and from 12 to 20 inches in diameter, 

 occurring in various places in the Sierra de Luquillo and Cordillera Central. 



*163. Eandia aculeata L. Tintillo, Palo de espinillo, Palo de cotorra, Cambron, Escam- 

 bron; Ink berry (Br. W. I.). 



Tree from 20 to 30 feet high and from 6 to 9 inches in diameter, widely distributed 

 throughuot the island. Wood little used. 



Wood dark brown, fine, close and straight grained, taking a very good polish, hard, 

 heavy, strong, tough, and very durable. It resembles the true lignum- vitee in general 

 appearance. Pores exceedingly small and indistinct. Pith rays very narrow and 

 scarcely visible under the hand lens. 



*161. Genipa americana L. Jagua, Hagua. 



Tree from 30 to 60 feet high and from 1& to 20 inches in diameter, widely distributed 

 throughout the island and the West Indies generally. The wood is suitable for pack- 

 ing boxes, shoe lasts, barrel hoops, and wherever strength and elasticity are required. 



Wood light brown, tinged with red, very fine grained, moderately hard, heavy 

 (about 54 pounds per cubic foot), strong, tough.^ and durable; in these qualities it 

 resembles the ash. Pores small, isolated, or occasionally in pairs, evenly distributed. 

 Pith rays numerous, narrow, inconspicuous. 



165. Guettarda scabra (L.) Lam. Palo de cucubano, Serrasuela. 



Tree from 20 to 40 feet high and from 8 to 12 inches in diameter, occurring in the 

 coast hills chiefly, and sparingly in the interior valleys. The wood is used principally 

 in building narive huts. 



Wood ash-colbred, moderately fine grained, rather hard and heavy (about 54 pounds 

 per cubic foot). Pores small, isolated or in groups of from two to five or more, and 

 evenly distributed. Pith rays small, inconspicuous. 



Xote. — Other less important species with very limited distribution and wood 

 similar to the above are G. brugii Urb., G. ovalifolia Lrb., and G. Isevis Urb., 

 which attain a height of from 30 to 60 feet and occur chiefly in the coast hills and 

 shore woodlands. 



166. Antirrhosa obtusifolia Urb. Tortuguillo. 



Tree from 25 to 45 feet high, found in the mountains of the Luquillo region and 

 Yabucoa. The wood is apparently little used, although suitable for structural and 

 cabinet work. 



Wood light reddish-brown, straight and fine grained, taking a good polish, hard, 

 heavy, and strong. Pores minute, evenly distributed throughout the annual rings 

 of growth, which are easily visible to the unaided eye. 



167. Antirrhosa coriacea (Vahl.) Urb. Quina, Palo de quina, Boje, Boje quina, 

 Tree from 40 to 50 feet high and sometimes 2 feet in diameter, chiefly occurring in 



the northern part of the island. Occurs also in several of the islands of the Lesser 

 Antilles. The wood is used for carpentry work, furniture, cabinetwork, and frame- 

 work of houses. 



