BOTANICAL MUSEUM LEAFLETS 
HARVARD UNIVERSITY 
CAMBRIDGE, MassacuuseTts, JUNE 24, 1949 VoL. 13, No. 10 
PLANTAE COLOMBIANAE XI 
DE PLANTIS PRINCIPALITER COLOMBIAE VALLIS 
AMAZONICAE OBSERVATIONES 
Bye 
RicHarp Evans ScHuutes’ 
Stupy of recently made collections of plants, chiefly 
from the Amazon watershed of Colombia, has brought 
to light a number of data which contribute to our knowl- 
edge of the flora of the northwesternmost reaches of the 
Amazon system. <A few of the collections represent con- 
cepts which apparently have not hitherto been described. 
Others are noteworthy, since they alter or increase our 
understanding of plant distribution. 
I have to thank Dr. Lyman B. Smith for determining 
the Cyperaceae and Bromeliaceae ; Mr. Charles Schwein- 
furth, who identified the orchids; and Dr. Robert C. 
Foster for his attention to tiliaceous and lythraceous 
species. 
Cy PERACEAE 
Cephalocarpus Dracaenula Nees in Martius FI. 
Bras. 2, pt. 1 (1842) t. 18. 
Cephalocarpus Dracaenula, a sedge which superficially 
resembles a Navia, was collected in La Pedrera (Cupati) 
by Martius in 1820. It was collected the second time 
'Botanist, Bureau of Plant Industry, Soils and Agricultural En- 
gineering, U.S. Department of Agriculture; Research Fellow, Bo- 
tanical Museum, Harvard University. 
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