JANUARY 1 TO DECEMBER 31,1975 313

404600 to 404723—Continued 404636 to 404639—Continued 404638. 251. Region, on Route 9,120 km northwest of Rio . Erect bunchgrass with inflorescence 61 cm high. Compressed stems and leaves. Wild. 404639. 255. Near entrance to Estacion Experimental Ganadera. Erect bunchgrass with compressed stems and leaves near base. Growing in poorly drained site. Wild. 404640 to 404642. PASPALUM ALMUM Chase 404640. 249. On Route 9,120 km northwest of Rio Paraguay. Prostrate plant with inflorescence 30 cm high, pubescent leaves. Wild. 404641. 321. Heisecke Ranch, 130 km south of Asuncion, 40 km northwest of San Juan Bautista. Low growing plant with inflorescence 0.3 m high, leaves about 20 cm. Wild. 404642. 327. Heisecke Ranch, 80 km southeast of Asuncion, 20 km southeast of Paraguari. Low growing plant with inflorescence 0.3 m high, leaves about 20 cm. Wild. 404643 and 404644. PASPALUM CONJUGATUM Berg. 404643. 217. Three km north of Chaco-I. Plant with short stolons. Growing in low, moist area. Wild. 404644. 286. Enroute to Hernandarias, 9 km northwest of Puerto Presidente Strossner. Stoloniferous plant with inflorescence 45 cm high. Racemes 15 to 20 cm long, leaves 20 cm high. Giant form of this species. Wild. 404645 to 404647. PASPALUM CONSPERSUM Schrad. ex Schult. 404645. 207. National Institute of Agronomy, Caapucu. Plant with inflorescence 15 cm high, spikelets purple color. Stems and leaf sheaths very pubescent. Growing near Parana river. Cultivated. 404646. 285. Four km north of , at a point 50 km west of Puente Presidente Strossner. Coarse, erect bunchgrass. Wild. 404647. 295. Six km north on road to Hernandarias, 4 km west of Puente Presidente Strossner. Tall bunchgrass with inflorescence 1.5 m high, spikelets purple color. Pubescent stems and leaf sheaths. Leaves 0.9 m high. Wild. 404648 to 404650. PASPALUM DISTICHUM L. Knotgrass. 404648. 214. On , 14 km northwest of Chaco-I. Plant with inflores- cence 7 to 10 cm high, stolons form dense mat. Growing in low, moist area. Wild. 404649. 244. On Route 9, 30 km northwest of Villa Hayes. Rhizomatous, prostrate, leafy grass with inflorescence 20 cm high. Wild. 404650. 320. Heisecke Ranch, 130 km south of Asuncion, 40 km northwest of San Juan Bautista. Low growing plant with inflorescence about 0.6 to 0.9 m high. Dense sod. Growing in low, moist area. Wild. 404651. PASPALUM GUARANincuM Parodi 229. On , 3 km south of Paraguari. Plant with inflorescence 61 cm high at flowering. Leaves 18 to 20 cm high. Growing in heavily grazed pasture. Wild. 404652 to 404653. PASPALUM GUENOARUM Arech. 404652. 307. Heisecke Ranch, 12 km south of Buena Vista. Plant has larger than normal inflorescence to 1.5 m high with 4 to 10 racemes per head. Leaves 45 cm high. Wild. 404653. 334. National Institute of Agronomy, Caapucu. Robust, leafy type 1.8 m high at flowering. Blue-green leaves 1.5 m high. Local name "Romirez grass". Cultivated.