Vaupés); Schultes 5740a and 5742 (Cerro Chiribiquete) ; 
Schultes 5568 (Cerro de La Campana); Schultes 5816 
(Cafio Paca, Rio Vaupés). 
CotomsiA: Comisaria del Vaupés, Rio Kananari, Cerro Isibukuri. 
Near summit. ‘‘Ten feet tall.’? January 23-25, 1952, Richard Evans 
Schultes & Isidoro Cabrera 15033.—Comisaria del Vaupés, Rio Kubiyt 
(tributary of Rio Vaupés), Cerro Kafiendé. Savannahs 15 miles up- 
stream from mouth. Quartzite base. Alt. about 800-900 feet. Gen- 
eral location: Lat. 1°0/ N, Long. 70°15’ W. November 10, 1952, 
Schultes & Cabrera 18326.—Comisaria del Vaupés, Rio Karuré (tribu- 
tary of Rio Vaupés), Mesa de Yambi. Savannah Goo-ran-hoo-da. 
Quartzite base. Alt. about 950-1000 feet. General location: Lat. 
1°20’ N, Long. 71°20’ W. ‘“Bush.’’ April 15-16, 1953, Schultes & 
Cabrera 19137.—Comisaria del Vaupés, Rio Vaupés, Raudal de Yuru- 
pari. Quartzite base. General location: Lat. 0°40/ N, Long. 70°30/ 
W. November 1951, Schultes § Cabrera 19719. 
Stenopadus colombianus Cuwatrecasas & Steyer- 
mark sp. nov. 
Arbor 4 m. alta, ramis terminalibus subteretibus, in 
sicco cortice plusminusve plicato, ochraceo-brunneis, ad- 
pressissime squamoso-strigosis, squamis subulatis. Folia 
alterna, petiolata, petiolo 3-4 em. longo,3—4.5 mm. crasso, 
in sicco rugoso-striato, adpressissime squamoso-strigoso, 
basi longe decurrenti. Lamina magna, firme coriacea, 
elliptico-oblonga vel obovato-oblonga, margine integra 
leviter revoluta, apice subito breviterque apiculata vel 
obtusa vel subrotundata, 18-82 cm. longa, 6-14 cm. lata; 
utrinque aspectu glaberrima sed pilis minutis squamosis 
malpighiaceis atro-fuscis sparsissimis, ad costam copiosi- 
oribus, praedita; supra pallido-viridis, costa laxo reticulo 
nervorum valde prominenti notata; infra costa crasse 
elevata, nervis secundariis 9-15 utroque latere elevatis, 
reticulo nervorum prominulo laxoque. Capitula solitaria, 
terminalia, sessilia, praecipue 85 floribus. Involucrum 
circa 4 cm. altum, cylindrico-campanulatum, basi rotun- 
datum, phyllaribus 6-7 seriatis, subcoriaceis, rigidis, ex- 
terioribus rotundato-ovatis vel ovatis, 15-18 mm. longis, 
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