68 BULLETIN 354, U. S. DEPARTMENT OF AGRICULTURE. 



12. Cecropia peltata L. Yagrume liembra, Llagrumo, Trumpet tree; Guarumbo, 

 saruma (Mexico). 



Tree from 20 to 60 feet high and from 10 to 12 inches in diameter, occurring in moun- 

 tainous regions. It is common throughout the West Indies. The trunks and branches 

 are hollow and are often made into carrying poles and floats for fishing nets.- Wood 

 white, light, soft, moderately weak, and "not durable in contact with the soil. 



V. POLYGONACE.E. 



*13. Coccoloba rugosa Desf. Ortegon. 



Tree from 40 to 100 feet high, occurring from sealevel to 2.000 feet elevation, abun- 

 dant along the coast. Wood useful for construction timber. Wood purplish, fine- 

 grained, hard, heavy, strong, and tough. Pores very small, isolated or in groups of 

 two or three, evenly distributed. Pith rays narrow, inconspicuous. 



*14. Coccoloba uvifera (L.) Jacq. Uvero, Uva del mar, Sea grape. 



Tree from 15 to 30 feet high and from 3 to 4 feet in diameter, growing along the coast. 

 The trees are reproduced by cuttings. The wood is highly esteemed for cabinet work. 

 Wood dark brown with nearly black linear markings, very fine-grained, taking an 

 excellent polish, very hard, heavy (65 pounds per cubic foot), strong, and tough. 

 Pores very few, very small, isolated or in radial rows of two to four. Pith rays narrow, 

 inconspicuous. 



*15. Coccoloba grandifolia Jacq. Moralon. 



Tree from 50 to 60 feet high and from 1 foofto 2 feet in diameter, occurring in moun- 

 tain forests. Reported formerly very common in the vicinity of Lares and throughout 

 the limestone belt from Ciales and Utuado to the west coast. It is also native to others 

 of the West Indies and to Mexico and Guiana. Wood was highly prized for building 

 purposes and for furniture and cabinet work, but is now scarce. 



Wood reddish, close and sometimes cross-grained, very hard, and heavy. Pores 

 minute, isolated, or in groups of two or three, evenly distributed. Pith rays minute, 

 very inconspicuous. 



Note. — Other species of this genus are ^Coccoloba nivea Jacq. (Calambrenas) ; 

 Coccoloba laurifolia Jacq. (Uvillo, Cucubano, Gateado, Glateado, Uverillo); 

 Coccoloba obtusifolia Jacq. (Uvillo); Coccoloba diversifolia Jacq. (Palo bobo); 

 Coccoloba urbaniana Lindau. (Ortegon). Trees from 15 to 45 feet high, growing 

 mostly in the mountains, and yielding fine and useful timbers. Wood in general 

 similar to the above. 



VI. NYCTAGINACE.E . 



16. Pisonia subcordata var. typica Heimerl. Corcho, Palo bobo. 



Tree from 40 to 60 feet high, occurring here and there throughout the island. Wood 

 of very little use. 



VII. Magnoliace.e. 



*17. Magnolia splendens Urban. Laurel sabino. Laurel savino, Laurel, Sabino. 



Tree from 50 to 100 feet high and from 1J to 2| feet in diameter, found in all parts 

 of the island, though now very scarce. One of the most valuable timbers on the 

 island, and used for beams, boards, and furniture. 



Wood clear olive-brown, often turning yellowish-green, beautiful, aromatic, straight 

 and fine-grained, resembling the wood of tulip poplar (Liriodendron tulipifera L.) and 

 cucumber tree {Magnolia acuminata L.) with which it is closely allied. It is moder- 

 ately hard, heavy, strong, tough, and very durable in contact with soil and air. Does 

 not warp or check during seasoning. Pores very small, solitary or in pairs, and evenly 

 distributed throughout the annual rings of growth, which are marked by more or less 

 distinct narrow lines of radially compressed wood fibers. Pith rays very narrow, 

 scarcely visible on "a polished radial surface. 



Note. — Magnolia portoricensis Bello (Burro, Mauricio) recognized by Bello as a 

 separate species is a tree from 45 to80 feet high. It is reported only from the west- 

 ern part of the island. Wood similar .to that of M. splendens. 



