COOK AND COLLINS—ECONOMIC PLANTS OF PORTO RICO. 1538 
Guarea humilis. GUARAGUADILLO. 
Family Meliaceae; a tree or shrub 5 meters high from Barranquitas ard 
Adjuntas, Luquillo, and Naguabo. (Stahl, 2: 168.) 
Guarea swartzil. GUARAGUAO. 
A large forest tree, 15 to 20 meters high. Wood like cedar in color, but harder; 
used for furniture. (Stahl, 2: 166.) 
This species is not now recognized as genuine, the Porto Rican form represent- 
ing probably G. trichilioides. 
The common name ‘‘ acajou ’’ is sometimes applied to this species. 
Guarea trichilioides. 
A tree having a musk-like perfume. 
Guarema. See Picramnia pentandra. 
A tree from the northeastern part of the island; height, 30 to 35 feet (9 to 11 
meters); diameter, 20 to 25 inches (50 to 62 centimeters). Wood dark. hard; spe- 
cific gravity, 1.213; used in building houses. (Exp. 1857.) (Grosourdy, 2: 387.) 
Guasa. 
A tree from the eastern part of the island; height, 30 to 35 feet; diameter, 10 to 
12 inches. Wood white, soft; specific gravity, 0.890; used in building houses. 
(Exp. 1857.) 
Grosourdy says (2: 387), in addition, that the wood is resistant and breaks 
with a vertical fracture. 
Guasabara. See Hugenia tetrasperma. 
A tree from all parts of the island; height, 55 to 60 feet (15 to 18 meters); diam- 
ter, 12 to 15 inches (30 to 37 centimeters). Wood flesh-colored, hard; specific 
gravity, 0.947; used for cabinet work. (Exp. 1857.) 
Specific gravity 0.87 according to Captain Hansard. 
Guasabarillo. 
Perhaps the same as ‘*‘ guasabara,’’ but with the specific gravity given as 0.78. 
Guasavara. See Hugenia aeruginea and E. eggersii. 
Another spelling of Guasabara; said by Grosourdy to be an abundant wild tree, 
60 feet (18 meters) in height and 12 to 18 inches (30 to 37 centimeters) in diameter. 
The wood is strong, compact, and flesh-colored, and breaks obliquely. Its most 
common use is for fences and for fuel. (Grosourdy, 2: 387.) 
Guasima. See Guazuma guazuma. 
A tree from all parts of the island; height, 35 to 40 feet (11 to 12 meters); diam- 
eter, 12 to 15 inches (30 to 37 centimeters). Wood white, soft; specific gravity, 
0.741; not used. (Exp. 1857.) 
Captain Hansard gives a specific gravity of 0.35 under this name. 
Guasimilla. 
A wild tree, without doubt a variety of Guacima, 35 feet (11 meters) high and 
12 inches (30 centimeters) in diameter. The wood is white, soft, and breaks with 
avertical fracture. Its most common use is for framing country houses. (Gro- 
sourdy, 2: 387.) 
A tree from the eastern part of the island; specific gravity, 0.508. (Exp. 1857.) 
Guatapana. 
A wild tree, 24 to 30 feet (7 to 9 meters) high, with a trunk 12 inches (30 centi- 
meters) in diameter. The wood is dark-colored, hard, and resistant; used for 
shelving and in boat building. (Grosourdy, 2: 3838.) 
A tree from the southern part of theisland; specific gravity, 1.294. (Exp. 1857.) 
Guauro. See Vincetoxicum pubescens. 
Guava. 
The English name of the well-known tropical fruit Psidiwm guajava, the Span- 
ish name of which is “‘ guayava.’’ In Porto Rico the name guava is applied 
