SOLANACEAE 
Datura suaveolens Humboldt & Bonpland in 
Willdenow Hort. Berol. (1809) 227. 
This species, native apparently in southeastern Brazil, 
is widely cultivated in the New World tropics. Amongst 
the Kofan Indians on the Colombian- Ecuadorian border, 
an infusion of the leaves is said to be taken occasionally 
as a narcotic. It is known to the Kofanes as /u-a-vd-u, 
which, translated, signifies ‘‘pink Datura.’’ The Datura 
arborea L., which has large white flowers but which the 
Kofanes apparently do not like to use as a narcotic be- 
>is called tu-to-a-vad-u, liter- 
ee 
cause “‘it is too poisonous, ’ 
ally ‘‘white Datura. ’’ 
Ecuapvor: Rio San Miguel o Sucumbios, entre el Rio Putumayo y 
la Quebrada Teteyé. Alt. 260 m. “‘From Inga Indian garden. A 
narcotic. Kofin name: ku-a-vd-u,’’ March 29, 1942, Richard Evans 
Schultes 3472. 
BIGNONIACEAE 
Arrabidaea Fanshawei Sandwith in Bull. Torr. 
Bot. Club 75 (1948) 662. 
Schultes 5394 represents, according to Sandwith, a form 
of the British Guianan Arrabidaea Fanshawei ‘with 
leaflets persistently tomentellous beneath.’’ Its presence 
in eastern Colombia once more emphasizes the relation- 
ship of the flora of the upper Apaporis basin with that 
of the Venezuelan-Guianan area. 
Cotomsr1A: Comisaria del Vaupés, Rio Macaya, between Rio Apa- 
poris and Cachivera del Diablo. “‘Extensive vine. Flowers purple, 
covered with an ashy puberulence (?). Basal diameter of vine 4 inches. 
Bark rough, brown at base. Leaves pale ashy green beneath, glossy 
dark green above.’’ May 15-16, 1943, Richard Evans Schultes 5394. 
Arrabidaea xanthophylla Burret & K. Schumann 
in Martius F]. Bras. 8, pt. 2 (1896) 70. 
The yellowish leaves of this vine, which is rather com- 
mon in the trapecio amazénico of Colombia, are made 
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