3068,.—Comisaria del Amazonas, Trapécio amazoénico. Interior regions 
of trapécio between Amazon and Putumayo water-sheds. Alt. above 
100 m. ‘““Tree 50 ft. Spreading crown, Fruit like Hevea. Latex 
white.’’ November 1945, Richard Evans Schultes 6909.—Comisaria 
del Amazonas, Trapécio amazénico, Rio Hamacayacu, Quebrada Agua 
Negra. “‘Arvore 20 m. Latex branco.’’ November 8, 1946, George 
A. Black & Richard Evans Schultes 46-471 (Herb. Inst. Agron. Norte 
20477).—Comisaria del Amazonas, Rio Hamacayacu, Varial at head- 
waters of Quebrada Agua Negra. ““Small-crowned tree 50 ft. tall. 
Latex white. Buttress roots slender, low. Bark shaggy, externally 
dark brown, internally reddish.’’ September 1948, Francisco Lopez 4. 
—Comisaria del Amazonas, Rio Hamacayacu, Varial at headwaters of 
Quebrada Agua Negra. ‘‘Buttressed tree 50 ft. tall; diameter of 
columnar trunk 15 inches. Latex rather thick, white. Bark dark 
brown.’’ September 1948, Francisco Lopez 5.—Comisaria del Vaupés, 
Rio Guainia, region near Sejal. “Slightly buttressed tree 45-50 ft. 
tall. Bark shaggy, dark brown. Latex thick, white. Wood white.’’ 
June 1948, Richard Evans Schultes & Francisco Lopez 10043,—Comisaria 
del Vaupés, same locality. ““Tree 60 ft. tall with sparse crown. Bark 
shaggy, dark brown outside, pinkish inside. Fruits rose-red. Latex 
very thick and white. Leaves very coriaceous.’’ June 1948, Richard 
Evans Schultes & Francisco Lopez 10058.—Comisaria del Vaupés, Rio 
Naquieni (affluent of Rio Guainia), at base of Cerro Monachi. “‘Tree 
40 ft. tall with small buttress roots. Bark thin, brown, roughish. 
Latex thick, white. Leaves unusually ovate.’? June 1948, Richard 
Evans Schultes § Francisco Lopez 10088.—Comisaria del Vaupés, same 
locality. “‘Tree 50 ft. tall. Buttress roots. Trunk columnar, diameter 
14-15 inches. Latex white, thick. Bark dark brown, rough.’’ June 
1948, Richard Evans Schultes & Francisco Lépez 10113.—Comisaria del 
Vaupés, same locality. ““Tree 45 ft. tall with sparse crown. Latex 
white.’’ June 1948, Richard Evans Schultes & Francisco Lopez 10121. 
—Comisaria del Vaupés, Rio Guainia, Cafio Nani below San Antonio. 
In extensive caatinga. ‘‘Tree 50 ft. tall with buttress roots and col- 
umnar trunk. Bark shaggy, dark brown outside, light red inside. 
Latex white. Flowers yellowish.’? June 1948, Richard Evans Schultes 
& Francisco Lopez 10131.—Comisaria del Vaupés, same locality. In 
extensive savannah-like caatinga. ‘Bushy tree, 20 ft. tall with very 
small buttress roots. Bark dark brown, rough. Latex very thick, 
white. Leaves unusually round.’’? June 1948, Richard Evans Schultes 
§ Francisco Lopez 10158. 
Cunuria Spruceana Baillon in Adansonia 4 (1863- 
64) 288. 
Cunuria Spruceana was first collected in Colombia by 
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