Porto Rico © 43 
esting old town of Mayagiiez an Agricultural Experiment 
Station has been established. Considerable sugar is 
produced in this vicinity, as well as excellent pineapples; 
and this is the principal center of the hat-making industry, 
on account of the groves of palmettos (Inodes causarum) 
which grow here spontaneously. The well known Carlu- 
dovica palmata, from which the so-called Panama hats are 
made, has been introduced in this region together with 
many other useful plants. Aguadilla, a port near the 
northwest corner of the island is connected by roads 
with coffee plantations in the interior, the most import- oe 
ant of which are about San Sebastian; and near Isabel 
on the north coast, pomelos or grapefruits, said to be — 
the most delicious in the world, are now produced and cae 
_ sent in quantities to foreign markets. “oe 
But the forests of the Luquillo Mountains, at the ‘oppo- 3 
Site extremity of the north coast of the island, are more 
interesting to the botanist, and are so important from 
the conservationist’s point of view that they have been 
made a forest reserve.* Here, between the alt itudes of 
500 and 2,000 feet occur four of the most important 
_ timber trees of the island: the tabanuco, laurel sabino 
_ ausubo, and guaraguao. Of the tabanuco (D 
_ excelsa) I have already spoken in connection 
. of Toohna- When — its | 
