154 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
instead to a species of Inga, used as a shade tree for coffee. Captain Hansard 
claims to have been informed by Professor Hart, of the Trinidad Botanic Gardens, 
that the tree called guava in Porto Rico is not the genuine Inga vera, but our 
specimens seem to agree reasonably well with material from the other West Indies 
and from South America. 
Guayaba. See Psidiwm guajava. 
Guayabacison. 
A tree from all parts of the island; height, 30 to 35 feet (9 to 11 meters); diame- 
ter, 15 to 18 inches (37 to 45 centimeters). Wood pinkish, hard; specific gravity, 
1.029; used in building houses. (Exp. 1857.) 
Guayabacon. See Eugenia aeruginea, Myrica divaricata, and M. leptoclada. 
A tree of the coasts, reaching 30 feet (9 meters) in height by 18 inches (45 centi- 
meters) in diameter. The rose-colored wood is compact and strong, and difficult 
to break. It is used for beams and rafters in country houses. (Grosourdy, 2: 
388. ) 
Guayabillo. See Eugenia pseudopsidium. 
Guayabillo de costa. See Hugenia flavo-virens. 
Guayabo. 
A tree from all parts of the island; height, 12 to 15 feet; diameter, 6 to 8 inches. 
Wood flesh-colored, hard; specific gravity, 0.811: fruit tree. (Exp. 1857.) 
Guayabota. See Diospyrus ebenaster and Eugenia stahlii. 
A hard wood used in peasant houses for posts; flowers like Gardenia. Specific 
gravity of the wood, 0.66. (Hansard.) 
Said by Grosourdy to be a variety of ‘** guayabota rojo,’ with a lighter-colored 
wood. (Grosourdy, 2: 388.) 
Guayabota blanca. 
A tree from all parts of the island; height, 20 to 30 feet (6 to 9 meters); diame- 
ter, 10 to 12 inches (25 to 30 centimeters). Wood pinkish, soft; specific gravity, 
0.686; not used. (Exp. 1857.) 
Guayabota nispero. See Maba sintenisii. 
Guayabota roja. 
A rather abundant wild tree. reaching 30 feet (9 meters) in height, and 12 inches 
(30 centimeters) in diameter. The wood is red, rather soft, and not very dura- 
ble, breaking with an oblique fracture. Its common use is for the framework 
of country houses. (Grosourdy. 2: 3838. 
A tree from all parts of the island. Specific gravity, 0.667. (Exp. 1857.) 
Guayacan. See Guajacuwm officinale. 
Also called erroneously ‘‘ guayavacan”’ by the peasants and others who have 
learned from them. 
A tree from the southeastern part of the island: height, 40 to 45 feet; diameter, 
12 to 15 inches. Wood greenish, hard; specific gravity, 0.972; used in making 
furniture. (Exp. 1857.) 
Captain Hansard considers this the genuine lignum-vitae and gives the specific 
gray ty as 1.16. 
Heartwood dull yellowish-brown, with dark olive-brown streaks; sapwood pale 
yellow, with brownishareas. Minute ducts occurring singly and evenly scattered. 
Medullary rays very small and indistinct. Smoothed surface, oily to the touch. 
Exceedingly hard, brittle, and difficult to cut. Resembles Guajacum officinale, 
and is probably G. sanctum. It grows in comparative abundance in the entire 
mountain chain and on the southern coast of the island, producing a wood which 
is very solid and resistant. On this account it is much sought after in the ship- 
