JANUARY 1 TO DECEMBER 31/ 1952 179 



203719 to Mm^-6i)^hme6: 



203770. Pennisetum 1 spV" 



No. 1109. Near Rivera, Uruguay. June 11: Tall tufted perennial 



203771. Piptochaetium sp. Poaceae. 

 No. 1532. July 9. 



203772. Setaria geniculata (Lam.) Beauv. Poaceae. 

 No. 1563. Vicinity of Porto Alegre. July 11. 



203773. Setaria globulifera (Steud.) Griseb. 

 No. 1119. Vicinity of Rivera, Uruguay. June 11. 



203744 and 203775. Setaria verticillata (L.) Beauv. 



203774. No. 1347. Vicinity of Porto Alegre. June 26. 



203775. No. 1373. Vicinity of San Antonio. June 29. Tufted perennial. 



203776. Setaria sp. 



No. 1289. Near Pardonia, Soriano, Uruguay. June 19. 



203777. Sorghastrum sp. Poaceae. 



No. 1126. Vicinity of Rivera, Uruguay. June 12. 



203778. Sorghastrum sp. 



No. 1133. Vicinity of Rivera, Uruguay. June 12. 



203779. Sorghastrum sp. 



No. 2221. Ten km. west of Pelotas. Aug. 28. 



203780. Sorghastrum sp. 



No. 1203. Twenty-five km. west of Rivera, Uruguay. June 14. 



203781. Spartina sp. Poaceae. 



No. 1341. Near Minas, Uruguay. June 22. 



203782. Sporobolus poiretii (Roem. & Schult.) Hitchc. Poaceae. 

 No. 1245. Near Estanzuela, Uruguay. June 18. 



203783. Sporobolus brasiliensis (Raddi) Hack. 



No. 1022. Vicinity of Artigas, Uruguay. June 9. Tufted perennial. 



203784. Sporobolus sp. 



No. 1116. Vicinity of Rivera, Uruguay. June 11. 



203785. Sporobolus sp. 



No. 1110. Vicinity of Rivera, Uruguay. June 11. 



203786. Stenotaphrum sp. Poaceae. 

 No. 1872. Torres. Aug. 7. 



203787. Stipa papposa Nees. Poaceae. Needlegrass. 

 No. 1015. Vicinity of Artigas, Uruguay. June 9. 



203788. Stipa sp. 



No. 1635. Porto Alegre. 



203789. Stipa sp. 



No. 1286. National Prison, Libertad, San Jose, Uruguay. June 18. 



203790. Stipa sp. 



No. 1634. Porto Alegre. 



203791. Stipa sp. 



No. 1636. Sao Gabriel. 



