ERIOCAULACEAE 
Paepalanthus Moldenkeanus R. EF. Schultes sp. 
nov. 
Planta frutescens, robusta, sublignosa, breviter caules- 
cens. Folia prope rami simplicis apicem rosulate dispos- 
ita, firmissime chartacea, plana, attenuato-linearia, 18-21 
em. longa, basi 1.5-2.8 cm. (parte centrali 1-1.5 cm.) 
lata, basi dense longeque albo-pilosa, infra medium mar- 
gine (et raro in lamina) maxime sparsissime breviterque 
setosa, demum utrinque glabra nitidaque. Caulis florifer 
erectus, robustior, sublignosus, usque ad 1.80 m. altus, 
1-1.5 cm. in diametro, bracteis multis foliaceis, charta- 
ceis, lanceolato-triangularibus, usque ad 13.5 em. longis, 
basi 2.4 em. latis, apicem versus minoribus, margine re- 
motissime albo-ciliatis, utrinque glabris nitidisque, spiral- 
iter obtectus. Pedunculi plusminusve centum quadragin- 
ta, filiformes, 30-35 cm. longi, 1.5—2 mm. in diametro, 
glabri, obscure bicostati, conspicue contorti, vaginis gra- 
cillimis, cylindricis, chartaceis, stramineis, apice bifidis, 
basi dense albo-pilosis, contortis, 4.5 em. longis. Capi- 
tula perfecte globosa, luteo-albida, 10-12 mm. in diame- 
tro. Bracteolae stramineae, triangulares, circiter 2 mm. 
longae, 1-1.5 mm. latae. Flores staminiferi basi dense 
longeque albo-barbati, sepalis hyalinis, oblongis, apice 
acutis et barbellatis, 8 mm. longis, 1 mm. latis, petalis in 
tubum infundibuliformem, 3.5-4 mm. longum connatis, 
staminibus circiter 1 mm. longis. Flores pistillati basi 
dense longeque albo-barbati, sepalis hyalinis, late spathu- 
latis, 4.5 mm. longis, 2-2.5 mm. latis, petalis similibus 
sed paulo majoribus, apice barbellatis, stigmatibus 2 mm. 
longis, ovario elongato-ovoideo, 2 mm. longo, 1 mm. in 
diametro, glabro sed basi densissime albo-barbato. 
Paepalanthus Moldenkeanus is set apart from all other 
known species of the genus from Colombia and northern 
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