110 



at the base of the Gosta, the veins 8 to 9, the margin en- 

 tire. Pyxidium 3 to 4 cm. long,. 6 cm. in diameter .broadly 

 turbinate, the 6 sejjals grown into 6 thick i^rorainenoes; 

 margin of the internal cavity rounded and reversed or pro- 

 jected outv/ards; opercalum depressed, arched or conical, the 

 remnants of the stigmas obscurely apparent at the center. 

 Seeds 2. ) 



Description of the v/ood 



Sapwood very thick, light brown; heartwood much darker, 



V/ood hard, strong, straight and very fine grained, taking a 



high polish, ^.nnaal rings of grov/th barely visible under 

 hand lens. 



Pores (transverse section) moderately numercus, small 

 (.114 mm. in diameter), round, open in sepwood and usually 

 closed v;ith '.7hite tyloses in the heartwood, and arranged 

 singly or in small groups of from 2 to 3, Vessel walls (lon- 

 gitudinal section) -with numerous, large simple pits where 

 in contact \.'ith pith rays; v/here two vessels are adjacent 

 the i^its are small and ocrdered. Perforations simple. 

 Wood fibers about 1.263 mm. long, v/ith very thick walls and 

 almost obliterated cell cavities, and small, vertical slit- 

 like simple pits, 7ocd parenchyma strongly developed, 

 forming short interrupted tangential lines. Vessels are 

 invariably surrounded by this soft tissue, liays vei-y nume- 

 rous , narrow, barely visiole luxder the hand lens, from 1 ':,o 

 4 cells wide and from 6 to 8 times as high. 



Distribution, oom.acn names and uses 



This tree is known only from 3an Bias Coast in x^anama , 

 It did not seem to have been j.jarticularly noticed by the 

 natives and, though the wood is hard and has a fine texture, 

 it has no special application. 



