mouth. Alt. 800-900 feet. November 10, 1952, Richard Evans Schultes 
& Isidoro Cabrera 18360. 
THURNIACEAE 
Thurnia sphaerocephala (Rudge) Hooker fil. in 
Hooker Icon. Pl. (1888) t. 1407. 
These collections of Thurnia sphaerocephala, in addi- 
tion to those already reported (Schultes in Bot. Mus. 
Leafl. Harvard Univ. 16 (1954) 189), indicate that the 
species is not an uncommon element of the flora of the 
Colombian Vaupés. 
CotomsiA: Comisaria del Vaupés, Rio Kananari, Cachivera Palito. 
Alt. ca. 250m. July 25, 1951, Richard Evans Schultes & Isidoro Cabrera 
13194.—Comisaria del Vaupés, Rio Piraparand, Raudal Guaé-k6-n6-ta. 
September 4, 1952, Schultes & Cabrera 17166.—Comisaria del Vaupés, 
Rio Piraparana (tributary of Rio Apaporis) Cafio Teemeefia. General 
location: between Lat. 0°15’ S, Long. 70°30’ W and Lat. 0°25’ N, 
Long. 70°20’ W. ‘“‘In flowing water.’’? September 6, 1952, Schultes 
& Cabrera 17259. 
BROMELIACEAE 
(Contributed by Lyman B. Smith) 
Pitcairnia corallina Linden & André var. viridis 
LL. B. Smith var. nov. 
A var. corallina laminis foliorum angustioribus inflo- 
rescentia flavo-viridi differt. 
Leaf-blades only 8 cm. wide; inflorescence yellow- 
green. 
Co.tomBia: Comisaria del Vaupés, Rio Vaupés: Circasia. Sandy sa- 
vannah, quartzite base. Alt. ca. 240 m. Lat. 0°45’ N, Long. 70°30/ 
W. April 20, 1953, Richard Evans Schultes & Isidoro Cabrera 19206 
(Tyrer in U.S. Nat. Herb. Nos. 2087662 and 2087663). 
Pitcairnia patentiflora L. B. Smith in Contrib. 
Gray Herb. 127 (1989) 18, t. 1, fig. 4. 
The Colombian material of this species shows such di- 
versity that it seems advisable to divide it into varieties 
as follows: 
[ 67 ] 
