assure a supply of these seeds solely for making arm 
bands. It has apparently never been reported as a culti- 
vated plant. 
Cotompra: Comisaria del Vaupés, Rio Piraparana (tributary of Rio 
Apaporis), Raudal Gud-ké-né-ta. General location: between Lat. 
0°15!’ S, Long. 70°30’ W and Lat. 0°25’ N, Long. 70°30’ W. “Small 
vine on ground, Cultivated. Black seeds used for arm bracelets. Flow- 
ers white. Living seed dark bluish. Puinave = #é-yot; Makuna = b6-rd.’’ 
September 4, 1952, Richard Evans Schultes & Isidoro Cabrera 17170. 
BOMBACACEAE 
Bombax coriaceum Martius & Zuccarini Nov. Gen. 
& Sp. 1 (1824) 98 in obs.; K. Schumann in Martius FI. 
Bras. 12, pt. 8 (1886) 219. 
The collections cited below provide additional evi- 
dence that Bombax coriaceum, though never abundant, 
is one of the widespread endemics on the Cretaceous 
quartzitic remnant hills of eastern Colombia. 
Cotompi1a: Comisaria del Vaupés, Rio Kubiyt (tributary of Rio 
Vaupés), Cerro Kafienda. Savannahs about 15 miles upstrea m from 
mouth. Quartzite base. Alt. about 800-900 feet. General location: 
Lat. 1°0’ N, Long. 70°15’ W. “‘Height 5 feet. Low bush. Petals ex- 
ternally reddish brown, internally white, anthers white.’’ November 
10, 1952, Richard Evans Schultes & Isidoro Cabrera 18316.—Comisaria 
del Vaupés, Rio Parana Pichuna (tributary of Rio Vaupés). Altitude 
about 700 feet. General location: Lat. 1°10’ N, Long. 70°30! W. 
June 1953, Schultes §& Cabrera 19928.—Comisaria del Vaupés, Rio 
Kuduyari (tributary of Rio Vaupés); Yapobodé. Quartzite savannah 
near headwaters. Alt. about 900-1000 feet. General location: Lat. 
1°20’ N, Long. 70°30! W. “‘Low bush.’’ April 1953, Schultes & Cabrera 
20084. 
Matisia apaporiensis Cuatrecasas sp. nov. 
Frutex, ramis cortice molli pallide ochraceo, hornotinis 
stellato-tomentellis deinde glabris. Folia simplicia alterna 
chartacea. Petiolus subtenuis, 1.58 cm. longus, ochraceo- 
tomentellus pilis gracilibus stellatis praeditus, teres, su- 
periore parte incrassatus. Lamina obovato-oblonga vel 
elliptico-oblonga basi obtuse cuneata, apice subito atten- 
uata cuspidataque, margine integra vel sursum leviter 
[ 82] 
