altum, laciniis linearibus, acutis, rugulosis, 2.5 mm. lon- 
gis, 1 mm. latis, parte tubiformi 2 mm. longa, antheris 
linearibus, ternis, flavis, 1.2 mm. longis, 0.5 mm. latis. 
Ovarium glabrum, subglobosum, plusminusve 1.2 mm. 
in diametro, in stylum 2 mm. longum, apice stellatim 
quinquefidum, brachiis crassis, 1 mm. longis, attenua- 
tum. Fructus adhuc ignotus. 
Symphonia utilissima differs from S. globulifera in its 
smaller, elliptic, very long-acuminate (instead of oblong 
or oblong-lanceolate, short-acuminate) leaves and in its 
much smaller flowers which are grouped more densely 
in umbels of from eight to twelve (instead of from three 
to seven). 
This tree is of prime importance in the economy of the 
natives of the Apaporis basin. Its abundant yellow latex 
is gathered for use in caulking dugout canoes, and the 
Makuna, Tanimuka and Yukuna Indians make dancing- 
masks from the pitch which, when boiled, becomes black, 
and hardens into a firm, brittle and glossy material. The 
pitch from Moronobea coccinea is likewise used in the 
manufacture of the dancing masks, but Symphonia util- 
wssima appears to be much more abundant in the flood- 
forests and more easily bled than M. coccinea. 
Cotomsia: Comisaria del Vaupés, Rio Apaporis, Jinogojé. ‘‘Small 
tree. Flowers red. Latex yellow. Highland. Spanish = brea; Tani- 
muka=ma-fé and ree-ka-vdé; Yukuna=main; Puinave=ké and ké-lé; 
Kuripako = mai-ne; Makuna = go-hé-ree-ka.’’ August 17, 1952, Richard 
Evans Schultes § Isidoro Cabrera 16885 (Tyre in Herb. Gray). 
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