Paricium d'Herban HHR. I p. 98; Wh Rev. Gram 2 Feb 116; Wm Owen 1 p. 97 Suppl. p. 74; for. in Murray's Proc. p. 299. San Cruz, S. Brown Hunter - Western Texas Bridgeman. Mexicos Bygelow & Wright No. 2092 (No. 2091 in our set is in part this & in part the preceding) No. 790 Col of 1849; Berlandier, No. 2470; Drumond, No. 371 2d Col., Bridgeman; de Edwards; "Rio de las Cruces, Menta de Agua" Schott (When? July 20/58) Forests of the Texas 997. This species which is a very abundant one has a wide range. Dr James collected it in the forests of the Mississippi or Long's told me have it from Texas in the State of Coa - India. The species present a variety of forms some with very slender panicles with distant racemes & others with a very much crowder inflorescence. Some of our species agree internally with the figures above given & we refer the whole as above written much doubt.