[Vol. 2 



610 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Distribution: western Louisiana, Oklahoma, and Texas. 



Specimens examined: 



Louisiana: without locality, Leavenworth (Gray Herb, and 

 Kew Herb. ) . 



Oklahoma : Rock Creek, coll. of 1884, Tufts (U. S. Nat. 

 Herb.) ; between Fort Cobb and Fort Arbuckle, coll. of 1868, 

 Palmer 462 (U. S. Nat. Herb.) ; near Indianola, Pope (Gray 

 Herb.); Muskogee, May, 1894, Schenck (Field Mus. Herb.); 

 near Paul's Valley, Garvin County, 19 April, 1913, Stevens 

 108 (Mo. Bot. Gard. Herb.). 



Texas: Dallas, 16 April, 1901, Reverchon 558 (Mo. Bot. 

 Gard. Herb.); in waste ground, Tarrant Co., 5 May, 1912, 

 Ruth 367 (Mo. Bot. Gard. Herb.) ; Waco, Pace 122 (Mo. Bot. 

 Gard. Herb.); Navarro Co., 22 May, 1880, Joor (Mo. Bot. 

 Gard. Herb.); wet ground, Houston, May, 1872, II all 368 

 (U. S. Nat. Herb, and Field Mus. Herb.) ; Harrisburg, 24 

 April, 1899, Eggert (Mo. Bot. Gard. Herb.) ; Harris Co., 13 

 and 22 May, 1876, Joor (Mo. Bot. Gard. Herb.) ; vicinity of 

 Huntsville, 6-12 May, 1910, Dixon 516 (Field Mus. Herb.); 

 Columbia, 6 April, 1899, Bush 56 (Mo. Bot. Gard. Herb.); 

 Columbia, 31 March, 1902, Bush 1263 (Mo. Bot. Gard. Herb.) ; 



along Corpus Christi Bay, 21 March, 1894, Heller 1476 (Gray 

 Herb., U. S. Nat. Herb., Field Mus. Herb., and Mo. Bot. Gard. 

 Herb.) ; Corpus Christi, 7 April, 1905, Tracy 8927 (Field Mus. 

 Herb, and Mo. Bot. Gard. Herb.) ; low prairies near Rosen- 

 berg, 5 April, 1900, Eggert (Mo. Bot. Gard. Herb.) ; Rich- 

 mond, 15 March, 1914, Palmer 4954 (Mo. Bot. Gard. Herb.) ; 

 Hungerford, 4 March, 1914, Palmer 4844 (Mo. Bot. Gard. 

 Herb.); Austin, March, 1870, Bo din 52 (U. S. Nat, Herb.); 

 "Bejar a la villa de Austin," Be dandier 1741, 421 (Gray 

 Herb.), co-type; near Belknap, 20 April, 1858, Sutton Hays 

 515 (Field Mus. Herb.) ; Brazos, coll. of 1889, Nealley 91, 280 

 (Field Mus. Herb, and Mo. Bot. Gard. Herb.) ; Brazos, April, 

 1859, Lindheimer (Mo. Bot. Gard. Herb.) ; bottom land be- 

 tween Laredo and Palafox, Schott (Field Mus. Herb.). 



21. S. Millefolium Torr. & Gray, Fl. N. Am. 2 : 444. 1843 ; 

 Gray, Syn. Fl. N. Am. I 2 : 392. 1884, and ed. 2, 1886 ; Chap- 



