JANUARY 1 TO DECEMBER 31, 1952 107 



202000 to 202072— Continued 



202009. Atkiplex sp. Chenopodiaceae. 



No. 178. Airport, Coniodoro Rivadavia, Comodoro Rivadavia. Mar. 7. 



202010. Berberis sp. Berberidaceae. Barberry. 



No. 271. Hills west of Esquel, Chubut. Mar. 9. Spiny shrub with blue 

 fruits. 



202011. Brachychiton sp. Sterculiaceae. 

 No. 278. Buenos Aires. Mar. 16. 



202012. Briza subaristata Lam. Poaceae. 



No. 189. Dry hills east of town of Esquel, Chubut. Mar. 7. 



202013. Briza sp. 



No. 246. Futalaufquen, Chubut. Mar. 8. Native perennial. 

 202014 and 202015. Bromus brevis Steud. Poaceae. 



202014. No. 60. Canadon Leon, Santa Cruz. Feb. 27. Dwarf perennial. 



202015. No. 76. South side of Rio Chico, at Cerro La Ventana, Santa Cruz. 

 Feb. 28. 



202016 to 202019. Bromus catharticus Vahl. Rescue grass. 



202016. No. 109. San Julian, Santa Cruz. Mar. 1. Annual. 



202017. No. 116. Estancia Coronel, 20 km. west of San Julian, Santa Cruz. 

 Mar. 1. 



202018. No. 160. Sarmiento, Comodoro Rivadavia. Mar. 5. 



202019. No. 202. Hills east of Esquel, Chubut. Mar. 7. 

 202020 and 202021. Bromus obtusiflorus Hack. 



Futalaufquen, Chubut. Mar. 8. 



202020. No. 225. Rare ; up to 3 feet high. 



202021. No. 249. 



202022. Bromus sp. 



No. 47. Bahia Blanca, Buenos Aires. Feb. 27. Native perennial. 



202023. Bromus sp. 



No. 203. Hills east of Esquel, Chubut. Mar. 7. Leaves hairy ; very large 

 glumes. Perennial. 



202024. Bromus sp. 



No. 227. Futalaufquen, Chubut. Mar. 8. Perennial. 



202025. Carex bonariensis Desf. Cyperaceae. 



No. 14. Facultad Agronomia, Buenos Aires. Feb. 21. Perennial. 



202026. Cortaderia araucana Stapf. Poaceae. 



No. 260. Hills west of Esquel, Chubut. Mar. 9. Native perennial. 



202027. Deschampsia caespitosa (L.) Beauv. Poaceae. Tufted hair-grass. 

 No. 92. West of Canadon Leon, Santa Cruz. Feb. 29. 



202028. Digitaria eriantha var. stolonifera Stapf. Poaceae. 



No. 24. Institute Fitotecnia, Castelar, Buenos Aires. Feb. 22. Tall peren- 

 nial. 

 202029 and 202030. Distichlis scoparia (Kunth) Arech. Poaceae. 



202029. No. 112. Twenty km. west of San Julian, Santa Cruz. Mar. 1. 

 Native perennial. 



202030. No. 123. One hundred and fifty km. north of San Julian, Santa 

 Cruz. Mar. 2. Dwarf perennial. 



