274 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Hymenaea Courbaril. Algarrobo. A very hard and heavy 
wood, of dark yellowish color with some greenish veins; it has straight 
fibers and is free of knots, so that it can be easily worked. It is used 
especially for crushing- wheels and similar things in coffee estates. 
Height usually 20 to 25 m., with a clear trunk 7 to 8 m. On Margarita, 
however, the only specimens observed were very low trees. 
Laguncularia racemosa. Mangle amariUo. Wood hard and 
heavy, fibrous and compact in texture. Color gray with many black 
points. Common about the lagoons. 
LoNCHOCARPUS SP. Mahomo. Very hard and elastic. The spe- 
cies on Margarita are from 15 to 20 m. high. Few trees. 
Malphigia punicifolia. Wood very compact, light, not very 
durable, of a clear brown color. Few trees. 
Melicocca bijuga. Mamon. Wood hard and heavy, compact 
and close-grained, color yellowish with very narrow and somewhat 
darker veins. Its fruit is usually valued more highly than the wood. 
Common. 
MoRisoNiA SP. Wood white, soft and light. Scarce. 
Nectandra coriacea. Very strong and resistent, not heavy, with 
good grain, and a more or less agreeable odor. Is easy to work, being 
used in carpentry and cabinet work. Scarce. 
Oreopanax capitatum. CandeJero. Wood whitish, brittle and 
light. Scarce. 
PisoNiA INERMIS. Wood of little weight, light in color, good for 
use under water. Common. 
Rhizophora Mangle. Mangle Colorado. Wood red, strong, and 
heavy. IMuch used for rafters. Very abundant about lagoons. 
Tabernaemontana psychotrifolia. Berraco. The wood is 
fibrous, not very hard, and of an olive color, sometimes with darker 
veins. It is easily worked and takes a good polish. Common. 
Other trees found in small numbers on Margarita and not much used 
are Inga ingoides, Guettarda scabra, Morisonia Johnstonii, 
Acacia macracantha, and Linociera latifolia. 
FIBER PLANTS. 
All of the following grow rather sparsely in Margarita : — 
Agave Americana. Cocuy. 
BoMBAX ceiba. Ceiba. The fibers are short and are used solely 
for stuffing pillows, etc. 
