JANUARY 1 TO DECEMBER 81, 1968 349 



337508 to 337601— Continued 



337532. Desmodium riedelii (Schindl.) Burkart Leguminosae. 



Col. 287. Plot 3, forage test plots, Institute Nacional de Tecnologia 

 Agropecuaria, El Sombrerito, Corrientes Province. Perennial, woody, 

 erect, 1.8 m. high. Native. 



337533. Desmodium sp. 



Col. 294. Near entrance to Institute Nacional de Tecnologia Agropecu- 

 aria, Belle Vista, Corrientes Province. Low growing, leafy. Growing on 

 red clay soil in association with Paspalum spp. 



337534. Dolichos biflorus L. Leguminosae. Twinflower dolichos. 



Col. 225. Growing as ornamental vine on patio of San Martin Hotel, 

 La Paz. 



337535. Dolichos lablab L. Hyacinth-bean. 



Col. 345. Botanic Garden, Northeast National University, Corrientes. 

 Vine covering trellis 3.6 m.; flowers purple to white; fruits 4 to 5 seeded, 

 immature. 



337536. Hemarthria sp. Gramineae. 



Col. 199. Rafaela Experiment Station. Bunchgrass to 1.2 m. high. 

 Native. 



337537. Hyparrhenia rufa (Neese) Stapf Gramineae. Jaragua grass. 



Col. 310. From A. G. Schulz, Institute Nacional de Tecnologia Agrope- 

 cuaria, Colonia Benitz. Bunchgrass, tall. 



337538. Indigofera sp. Leguminosae. 



Col. 309. Roadside of Route 27, 8 km. north of Esquina, Corrientes 

 Province. Plant prostrate, viny; stems fine, leafy. Heavily grazed, 

 trampled. 



337539. Indigofera sp. 



Col. 430. Ten km. northeast of General Paz, Corrientes Province. 

 Perennial shrub, woody, to 1.2 m. high. 



337540. Indigofera sp. 



Col. 431. General Paz, Corrientes Province. Prostrate vine. 



337541. Ipomoea sp. Convolvulaceae. 



Col. 321. Arroyo Rio Chuelo bridge, old Route 12, Corrientes Province. 



337542. Ipomoea sp. 



Col. 358. Route 12 at Rio Empedrada, Corrientes Province. Viny plant 

 on road bank. 



337543. Ipomoea sp. 



Col. 429. Growing in fence bordering Genetic Garden, Faculty of Agri- 

 culture and Veterinary, Northeast National University, Corrientes 

 Province. Wild plant. 



337544. Leptochloa chloridiformis (Hack.) Parodi Gramineae. 



Sprangletop. 



Col. 314. From A. G. Schulz, Institute Nacional de Technologia Agrope- 

 cuaria, Colonia Benitz, Chaco Province. 



337545. Leptochloa virgata (L.) Beauv. Sprangletop. 



Col. 421. From Botanic Garden, Northeast National University, 

 Corrientes. 



337546 and 337547. Manisuris selloana (Hack.) Kuntze Gramineae. 



