Brazi_: Estado do Amazonas, Rio Negro basin, Rio Uaupés, at 
base of Serra Tukano. November 7, 1947, ltichard Evans Schultes & 
Joao Murca Pires 9005. 
Cotomsia: Comisaria del Vaupés, Rio Negro, opposite Piedra del 
Cocuy. December 26, 1947, Richard Evans Schultes & Francisco Lopez 
9523,—Comisaria del Vaupés, Rio Guainia basin, Rio Naquieni, Cerro 
Monachi. ““On top of mountain.’’ June, 1948, Richard Evans Schultes 
& Francisco Lopez 10104. 
Selaginella asperula Spring in Martius FI]. Bras. 
1, pt. 2 (1840) 127. 
Ranging from Venezuela to Peru and Bolivia, this 
species is especially concentrated in the Rio Negro Val- 
ley from which area Alston (l.c. 809) cites seven collec- 
tions. Schultes & Lopez 9522 is the first collection from 
Colombian territory. This species is native to xerophytic 
caatingas and grows on white sand. 
Brazi_: Estado do Amazonas, Rio Negro basin, Rio Uaupés, at base 
of Serra Tukano. ‘‘On white sand in caatinga.’’ November 7, 1947, 
Richard Evans Schultes & Joao Murcga Pires 9031.—Estado do Amazo- 
nas, Rio Negro basin, Rio Uaupés, Ipanoré. “‘On sandy caatinga.’’ 
November 14-15, 1947, Richard Evans Schultes & Joao Murca Pires 
9085.—Same locality and date, Schultes & Pires 9086.—Estado do 
Amazonas, Rio Negro basin, Rio Xié near mouth. December 2, 1947, 
Richard Evans Schultes & Francisco Lopez 9202.—Estado do Amazonas, 
Rio Negro basin, Rio Xié, Cachoeira Cumati. December 3, 1947, 
Richard Evans Schultes & Francisco Lopez 9218. 
Cotompra: Comisaria del Vaupés, Rio Negro, opposite Piedra del 
Cocuy. December 26, 1947, Richard Evans Schultes & Francisco Lopez 
9522. 
Selaginella cordifolia (Desv. ex Poir.) Spring in 
Bull. Acad. Brux. 10 (1848) 228. 
Selaginella cordifolia, known from Puerto Rico, Cuba, 
Hispaniola and tropical Brazil, is one of the commonest 
species in sandy areas of the upper Rio Negro basin. It 
is herewith registered for the flora of Venezuela for the 
first time. 
Brazit: Estado do Amazonas, Rio Negro basin, Rio Uaupés, Serra 
Wabeesee, on left bank below Bela Vista. ‘‘On forest floor.”” Novem- 
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