77 



V/ood soft, coarse grained and not sasce^jtible to a good 

 polish, perishable in contact with the soil. Annual rings 

 of growth visible only under the high power microscope. 



Pores not very numerous, rather large (.17 .mm. in dia- 

 meter), round when isolated or irregular in outline when 

 in groups, open, and arranged -.vither aingly in small groups 

 or short radial rows. Vessel walls with numerous, small, 

 bordered or sometimes simple pits. Perforations simple. 

 ;vood fibers about 1.292 mm. long, with relatively thin v/alls, 

 large cell cavities and small, oblique, 3lit-lik:e bordered 

 pits. Jood-parenchyma fibers not highly developed, scattered 

 irregularly among wood fibers. Hays very narrow, usually 

 only one cell wide, and lb or more cells high. 



Distribution, common names and uses 



Saj-ium jamaic ense 3v/. is knov/n tc occur in Jamaica, 

 Cuba and 3anto Domingo, in the .Vest Indies, in CJuatemala and 

 Panama in Central America, and in Colombia. It is called 

 III Ik- wood in Jamaica, Lee hero in Cuba, Lechoso in Colombia, 

 and iiipe in Ilorth Darien, where our specimens were collected, 

 The wood has nc known uses. 



Anacardiaceae 



The Giant Cashew Tree 



Anaoardium i\hinocarpu s D.C. Prodr. 2: 62. 1325. 



Description of the tree 



A tree My to 30 meters high and 1 ra. in diameter at the 

 base, the crown broadly rounded or elongate, the bark brownish, 

 shaggy or scaly. Leaves alternate, entire, curiaceous, gla- 

 brous, bunched at the end cf the young shoots, the ^^etiole 

 thick, flattened above, 1 to 2 cm. long, the blades ooovate 

 oblong, attenuate to the base, broadly rcunded and often 

 emarginate at the a^^ex, 10 to 25 cm. long, 4 to 11 cm. 

 broad, reticulate, the nervatitn prominent on the lower 



