40 THE AMERICAN MIDLAND NATURALIST 



ance with his collecting. When Reverchon first began collecting 

 plants in Texas, in the seventies, the first species he collected he 

 listed as No. i,.the next No. 2, and so on up to about No. 1884, 

 when I persuaded him to adopt the serial system of numbering, 

 beginning with the last number in his MS. list, and giving each 

 collection a different number. 



According to this earlier method of numbering, every species 

 bore the same number, no matter where and when collected, as 

 for instance, M. soholijera was No. 1052, and every collection of 

 what he took to be M. soholijera he gave that number to, no matter 

 where it was collected, in 1878, i88c, 1882 or 1885. 



I have also examined one sheet of Reverchon's No. 1054, which is 

 labeled M. Mexicana by Reverchon, cited by Scribner as part of 

 the type of M. soholijeja setigera, but this appears to me to be only 

 M. Mexicana. It differs from M. soholijera setigera in having the 

 lower glumes acuminate and nearly as long as the lemma, the lemma 

 merely acute or acutish and not awned. 

 Specimens Examined: 

 Oklahoma : 



Sapulpa, Bush 769, July 22, 1894, M. B. G. Herb. No. 79634, 

 labeled M. soholijera by Bush; 



Verdigris, Bush 770, August 2, 1894, U. S. Herb. No. 217323, 

 labeled M. soholjera by Bush and M. Mexicana by Scribner. 

 Texas : 



Dallas, Reverchon 1054, September, 1880, U. S. Herb. No. 

 49861, labeled M. Mexicana filiformis by Reverchon, 

 and M. soholijera by Scribner; 

 Dallas, Reverchon 2253, October 5, 1900 U. S. Herb. No. 

 41 1579, labeled M. Mexicana by Bush, and M. sylvaticahy 

 vScribner ; 

 Dallas, Reverchon 42073, August 26, 1880, U. S. Herb. No. 



501272, labeled M. tcnuijlora by Bush; 

 Dallas, Reverchon 2253, October 5, 1900, M. B. G. Herb. No. 



75666, labeled M. Mexicana hy Reverchon; 

 Dallas, Reverchon 2253, October 5, 1900, M. B. G. Herb. No. 



75665, labeled M. Mexicana by Bush; 

 Dallas, Reverchon 2253, October 5, 1900. M. B. G. Herb. No. 



75646, labeled M. Mexicana by Bush; 

 Dallas, Reverchon 1052, 18S2, M. B. G. Herb. No. 7976S, 

 labeled M. soholijera by Reverchon; 



