Garcia-Barriga 13798, 13816.—Comisaria del Vaupés, Rio Karuri, 
Savannah of Goo-ran-hoo-da. Alt. ca. 240 m. ““In large mats on sand- 
stone rocks exposed tosun.’’ April 15-16, 1953, Richard Evans Schultes 
& Isidoro Cabrera 19168, 
Navia Garcia-Barrigae L. B. Smith sp. nov. 
Ab omnibus speciebus adhuce descriptis inflorescentia 
magna, laxe ampleque tripinnatim paniculata differt. 
Stemless (! Garcia-Barriga), the flowering plant over 
8 dm. high; leaves rosulate, the sheaths unknown, the 
blade linear, acuminate, 22 cm. long, 8 mm. wide, very 
laxly serrate with minute curved ascending spines, cov- 
ered on both sides with white appressed scales, roseate 
for 2 cm. at base; scape unknown; inflorescence nearly 
8 dm. long, amply and laxly tripinnate, glabrous, red- 
brown when dry; primary bracts narrowly triangular, 
16 mm. long, much shorter than the naked flattened 
sterile bases of the branches, entire, nerved: branches 
spreading, to 25 cm. long, their axes straight and very 
slender; racemes to 9 cm. long including the short sterile 
base, subdensely many-flowered; floral bracts broadly 
ovate, acuminate, 2 mm. long, thin; flowers obscurely 
pedicellate, spreading; sepals homomorphic, subtriangu- 
lar, obtuse, 2 mm. long, ecarinate; petals 3.5 mm. long, 
white; ovary superior; ovules unappendaged. 
Cotomsria: Comisaria del Amazonas, Rio Caqueta, Araracuara, Sa- 
bana de La Angostura. In white sand among rocks. December 21, 
1951, H. Garcta-Barriga & Richard Evans Schultes 141387 (Vyrr in 
U.S. Nat. Herb. No. 2057246). 
Navia heliophila L. B. Smith sp. nov. 
Herba plusminusve caulescens sed foliis vivis apice 
solum praedita; foliis multis, rosulatis, pro genere amplis, 
dense serrulatis, glabris; scapo brevissimo; inflorescentia 
densissime paniculata, globosa; sepalis oblongo-lanceo- 
latis, minimis. 
Somewhat caulescent; most of the stem covered with 
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