274 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
HyMEenaEA Covurparit. 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 8m. On Margarita, 
however, the only specimens observed were very low trees. 
LAGUNCULARIA RACEMOSA. Mangle amarillo. Wood hard and 
heavy, fibrous and compact in texture. Color gray with many black . 
points. Common about the lagoons. 
Loncnocarrus sp. Mahomo. Very hard and elastic. The spe- 
cies on Margarita are from 15 to 20 m. high. Few trees. 
Mapuiera punicironia. Wood very compact, light, mot very 
durable, of a clear brown color. Few trees. 
Menicocca Bisuca. 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 amore or less agreeable odor. Is easy to work, being 
used in carpentry and cabinet work. Scarce. 
OREOPANAX CaprTaTuM. Candelero. Wood whitish, brittle and 
light. Scarce. 
PIsonIA INERMIS. Wood of little weight, light in color, good for 
use under water. Common. d 
RuworHora Maneir. Mangle colorado. Wood red, strong, 
heavy. Much used for rafters. Very abundant about lagoons. 
TABERNAEMONTANA PSYCHOTRIFOLIA. Berraco, ‘The wood 3 
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, MOoRISONIA JOHNSTON 
ACACIA MACRACANTHA, and LAINOCIERA LATIFOLIA. 
FIBER PLANTS. 
All of the following grow rather sparsely in Margarita: — 
AGAVE AMERICANA. Cocuy. 
Bompax cera. Ceiba. The fibers are short and are used solely 
for stuffing pillows, etc. 
