109 



(Pores X-tJ?frftavex3e section}- fer;, (.15 ;n:a. in diameter), 

 round when isolated or irre^lar when in groups, open both 

 in the sapwood and heartwcod, and arranged singly or in small 

 groups or radial rows. Vessel ./alls 44oneitvidlnal section) 

 with numerous, small, bordered pits. Perforations simple. 

 i'lood fibers about 1.459 ram. long, v/ith very thick walls and 

 almost no lamina, the pits large and simple. ,7ood parenchy- 

 ma very abundantly developed and in straight, distinct rows, 

 clearly visible under the hand lens; these rows are from 1 

 to 2 or occasionally 3 cells <;ide. *-iays very nuinerous ynd 

 "barely visible under the hand lens, from 1 to 3 cells wide 

 and from 5 to 8 times as high.] 



Pi stribut i on, c o mmon names and u se 3 



Znown only from the virgin forests arovuid Puerto Obaldia, 

 on the 3an iiao oi^st, where it is frequent, havint,- a deci- 

 dedly marked preference for the ridges of the hills up to 

 about 300 m. above sea level. The wood Is hard and fine 

 grained, but has no special use. The native nar.ie , Ila jagua 

 de Indip , seems to indicalie that the bark is used as jordage 

 by the Indians of the district. 



She xvevers ed Ijschweilera 

 Ssohweilera reversa Pittier, Contr. J.o. liat. Hero. 26:11. 



1927 



Description of the tree 



A large tree, the truni: erect, nearly 80 cm. in diameter, 

 the bark grayish and almost smooth, the crown elongate; 

 young growth sparsely villous. (^Leaves stipulate, membranous, 

 at first deep pink all over, then en the lower face only, and 

 lastly entirely green; j.;etioles thick, 3 :Ma. long, sparsely 

 hairy; blades ovate-elliptic, rounded and emarginate at the 

 base, acuminate at the apex, 9 to 13 cm. long, 2.5 to 4.5 cm. 

 broad, glabrous <:;nd minutely reticulate above, paler beneath 

 3^^ also glabrous except for a few whitish appressed hairs 



