60 



large (.25 mm. in dianeter) , i-ound, open or sometiaes closed 

 with dark brown tyloses, and arranged singly or occasionally 

 in short radial rows, never .oiore than 3 or 4 together. Ves- 

 sel walls (longitudinal section) unifox"inly marked by nuinerous, 

 rather large, oval, bordered pits; all vessels completely 

 surrounded by ./oocx -parenchyma fibers. Perforations simj-le. 

 <Vood fibers about l.G4t min. long, with very thick walls and 

 partly obliterated lixmina . Pits difficult to see even under 

 compound microscope magnifying 300 diameters. Tissue 

 formed by wood fibers very dense and arranged in irregular 

 tangential lines alternating with scmewhat v/ider lines cf 

 wood-parenchyipa fibers, v/hich have thin walls, large lumina , 

 and romid simple pits. Pith rays visible only under hand 

 lens; being only from 1 to 5 cells v/ide and from a few to 

 Iv cells high. P.ays often tv/ice as wide v/ithin the tangen- 

 tial band cf wood-parenchyma fibers as in those of wood 

 fibers. 



Distribution, comraon names and uses 



Thus far the tree has been observed only in Isolated 

 individuals interspersed through the savannas around Ohepo, 

 in the province of Panama, It v/as never noticed in the 

 high forests, v/here it is probably replaced by the real 

 Aiigelin, The tree is called Coed by the inhabitants; the 

 v/ood is said to be rather soft as compared to the real 

 Angelin and of little use. 



The Panaman i:boe 

 Coumarouna panamensis Pittier, Gontr. U.S. iJat, Herb. 



16: 236. 1917. 



Description of the tree 



Often 50 m. high, and 1 m. dianeter at the base; crown 

 rounded or elongated; bark brownish and slightly scaly. 

 Leaves glabrous, alternate, 5 to 8-foliolate, the .etioles 



