1915] 



GREENMAN — MONOGRAPH OF SENECIO 591 



Annual, or occasionally becoming biennial, more or less 

 floccose-tomentose throughout, somewhat glabrate; leaves ob- 

 long-obovate, acute to lanceolate and acuminate, 5 to 18 cm. 

 long, 1 to 7 cm. broad, entire to coarsely and irregularly den- 

 tate ; the lower leaves narrowed below into a winged petiole, 

 those of the stem sessile, semiamplexicaul, gradually smaller 

 towards the few to many headed cymose inflorescence ; heads 



10 to 12 mm. high, radiate, including the rays 1.5 to 3 cm. in 

 diameter; involucre setaceous-calyculate ; bracts of the in- 

 volucre glabrous ; achenes pubescent. 



Distribution: eastern Texas. 



Specimens examined: 



Texas: San Felipe, Austin Co., Drummond (Kew Herb, 

 and Gray Herb.), type; Corsicana, Reverchon (Mo. Bot. Gard. 

 Herb.) ; near Richland Station, 13 March, 1880, Joor (Mo. 

 Bot. Gard. Herb.); Dawson, 16 April, 1903, Reverchon 3965 

 and 5965 (Mo. Bot. Gard. Herb.) ; Llano, May, 1885, Reverchon 

 1545 (U. S. Nat. Herb., Field Mus. Herb., and Mo. Bot. Gard. 

 Herb.) ; banks of Pecan Bayou, April, 1882, Reverchon 81 

 (Gray Herb, and Mo. Bot. Gard. Herb.) ; sandy soils, Lampa- 

 sas Co., May, 1884, Reverchon 1321 (Mo. Bot. Gard. Herb.) ; 

 Crabapple, Gillespie Co., Jermy (Mo. Bot. Gard. Herb.); 

 Hockley, Harris Co., coll. of 1890, Thurrow (Field Mus. 

 Herb.) ; banks of Colorado Eiver, 4 April, 1914, Young (Mo. 

 Bot. Gard. Herb, and Univ. of Texas Herb.) ; on dry ground, 



Hempstead, 24 April, 1872, Hall 369 (Gray Herb., U. S. Nat. 

 Herb., and Mo. Bot. Gard Herb.); without locality, coll. of 

 1848, Wright (Gray Herb.) ; Industry, Austin Co., coll. of 

 1890, Wurzlow (Field Mus. Herb.) ; banks of railroad near 

 Rosenberg, Fort Bend Co., 13 April, 1900, Eggert (Mo. Bot. 

 Gard. Herb.) ; common on prairies, Columbia, 10 April, 1899, 

 Bush 95 (Gray Herb, and Mo. Bot. Gard. Herb.) ; Columbia, 

 23 April, 1900, Bush 122 (Mo. Bot. Gard. Herb.) ; Columbia, 

 25 March, 1900, Canby, Sargent & T release 153 (U. S. Nat. 

 Herb.) ; on moist prairie between the Brazos and the Colorado 

 Rivers, April, 1844, Lindheimer 268, 269 (Mo. Bot. Gard. 

 Herb.), co-types of var. glaherrimus and floccosus. 



