JANUARY 1 TO DECEMBER 31, 1952 173 



203583 to 203664— Continued 



203617 and 203618. Calamagrostis longearistata (Wedd.) Hack. Poaceae. 



203617. No. 1763. Porto Alegre. July 21. 



203618. No. 2214. Ten km. west of Pelotas. Aug. 28. 

 203619. Calliandra tweedii Benth. Mimosaceae. 



No. 1933. Hills at Gloria, Porto Alegre, Brazil. Aug. 15. Red flowers. 

 203620 and 203621. Chloris canterai Arech. Poaceae. 



203620. No. 1129. Vicinity of Rivera, Uruguay. June 12. 



203621. No. 1461. Vicinity of Montenegro. July 3. 



203622 to 203624. Chloris gayana Kunth. Rhodes grass. 



203622. No. 1460. Vicinity of Montenegro. July 3. 



203623. No. 1789. Sao Gabriel. July 30. 



203624. No. 2236. Ten km. west of Pelotas. Aug. 28. 



203625. Chloris uliginosa Hack. 



No. 1834. Ten km. southeast of Uruguaiana. Aug. 1. 



203626. Chloris sp. 



No. 1202. Twenty km. west of Rivera, Uruguay. June 14. Tufted perennial. 



203627. Chloris sp. 



No. 1230. Maldonado, Uruguay. June 8. 



203628. Chloris sp. 



No. 1312. Florida, Uruguay. June 19. 



203629. Chloris sp. 



No. 1643. Vicinity of San Antonio. July. 



203630. Chloris sp. 



No. 1644. Vicinity of San Antonio. July. 



203631. Chloris sp. 



No. 1977. Sao Leopoldo. Aug. 15. 



203632. Chloris sp. 



No. 2094. Missiones, Argentina. Aug. 19 Tufted perennial. 



203633. Chloris sp. 



No. 2207. Ten km. west of Pelotas. Aug. 28. 



203634. Crotalaria sp. Fabaceae. 



No. 1774. Sao Gabriel. July 29. Annual. 

 203635 to 203637. Cynodon dactylon (L.) Pers. Poaceae. Bermuda grass. 



203635. No. 1111. Vicinity of Rivera, Uruguay. June 11. 



203636. No. 1262. Puerto del Este, Maldonado, Uruguay. June 18. 



203637. No. 1466. Near Montenegro. July 3. 



203638. Deschampsia sp. Poaceae. 

 No. 1642. Sao Gabriel. July. 



203639. Digitaria sp. Poaceae. 



No. 1295. Near Durazno, Uruguay. June 19. Tufted perennial. 



203640. Dioscorea sp. Dioscoreaceae. 



No. 2088. Missiones, Argentina. Aug. 19. 



203641. Eletjsine tristachya Lam. Poaceae. 

 No. 1357. Porto Alegre. June 26. 



