128 



rings of growth not visible under high power miorosGope. 



Cpores (transverse section) fairly numerous, saiall (.13 

 mm. in diameter), round or i-adially elliptical, open or 

 sometimes alosed in the heartwcod and arrai:i£ed singly or 

 often in short radial rows of 2 to 4. Vessel v/alls ( lon^'i- 

 tadinal seotion) v/iuh numerous, s-iiall, oval, simple oordej^ed 

 pits; always bordered where in contact with other vessels. 

 Perforations simple. ,7ood fibers .6752 m:.i. long with rather 

 thick walls and small lumina alternating with tangential 

 lines of wood fibers of very much thinner walls and larger 

 cell cavities, the thin-walled wood fibers with large inter- 

 cellular spaces (nearly 50 ijer cent -of the wood mass in 

 composed of these thin-walled v/ood fibers). V/ood parench^naa 

 scantily developed. P.aya invisible even under the hand lens 

 on a smooth transverse section, from 1 tc 2 rows of cells 

 wide and from 10 to 20 cells high.y 



Distribution, comiuon naaes and ases 



Thus far this tree is knov/n only from the hills along the 

 Tuyra ..iver in Darien, v/here it is called gorgo jo or gorgo - 

 jillc . The wood is hard and keeps for years in the ground . 

 It is one of the local building .materials and duriiig the 

 construction of the first Panama railway, it was extensively 

 used for cross-ties. 



2he (Jolden-3rown Lliconia 



Ikliconia fulva ^»G. Prodr. 3:180. 1328 

 1, 



Description of the tree 



A tree sexdom aocve 10 .jb ters high aiiu 30 ca. in diame- 

 ter, the trunk straight, covered with a reddish bark, the 

 crown elongate or pyramidate, the 4-angled young twigs, pe- 

 tioles, lower face of the leaves, rachis of the inflorescence 



