Quapoya peruviana (Poepp. & Endl.) O. Kuntze 
Rev. Gen. 1 (1891) 61. 
This species is now registered for the Amazonian flora 
of Colombia. 
Cotomsia: Trapecio amazoénico, interior regions of trapecio, between 
Amazon and Putumayo watersheds. Alt. above 100 m. ‘‘Epiphyte. 
Flowers yellow.’’ October 1945, Richard Evans Schultes 6762. 
VIOLACEAE 
Amphirrhox surinamensis (Migq.) Eichler in Mar- 
tius Fl, Bras. 18, pt. 1 (1872) 877. 
Amphirrhox surinamensis is known from British and 
Dutch Guiana and from the Rio Negro basin of Brazil. 
It is apparently never an abundant plant in the Brazilian 
part of its range, but occurs rather locally; it is known 
from Mandos and from Sao Gabriel where it was col- 
lected by Spruce. 
Brazit: Estado do Amazonas, Rio Negro, base of Serra Uanari, 
near Sao Gabriel. “‘Bush.’’ October 31, 1947, Richard Evans Schultes 
& Joao Murca Pires 8979. 
FLACOURTIACEAE 
Mayna grandiflora (Spruce ex Eichler) R. E. 
Schultes comb. nov. 
Carpotroche grandiflora Spruce ex Eichler in Martius 
F]. Bras. 13, pt. 1 (1871) 487. 
This interesting treelet of the upland forests of the 
upper Rio Negro basin has hitherto been known only 
from Brazil. The type was collected by Spruce at Sao 
Gabriel (Vaupés) below the confluence of the Rios Negro 
and Vaupés. Spruce also collected Mayna grandiflora 
from Ipanoré on the Rio Vaupés. 
Brazit: Estado do Amazonas, Rio Solimoes, Tonantins. ‘‘Matta 
da terra firme.’’ January 1944, 4. Ducke IAN 149. 
CoLompia: Comisaria del Vaupés, Rio Negro, vicinity of Piedra del 
Cocui. “‘Treelet 15 feet tall. Fruit greenish, papery-dry. Bark said 
to be ‘strong poison’ for rodents and for man. Has odor of winter- 
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