1915] 



GREENMAN — MONOGRAPH OF SENECIO 581 



Arizona: Tempe, 21 April, 1892, Ganong & Blaschka (G 



Herb 



Sonora: near the U. S. boundary line, 28 March, 1884, 

 P tingle (Gray Herb, and U. S. Nat. Herb.). 



3. S. vulgaris L. Sp. PI. 2 : 867. 1753, ed. 2, 1216. 1763; Fl. 



Dan. pi. 513. 1770; Willd. Sp. PL 3:1979. 1800; Sow. Eng. 

 Bot. pi, 747. 1800; Pursh, Fl. 2: 528. 1814; DC. Prodr. 6: 341. 

 1837; Reichb. Ic. Fl. Germ. & Helv. 16:35. pi. 68 (CMLIX), 

 fig. 1, 1-9. 1854 ; Gray, Syn. Fl. N. Am. I 2 : 394. 1886 ; Greenm. 

 Monogr. Senecio, I. Teil, 23. 1901, in Engl. Bot. Jahrb. 32 : 

 19. 1902, and in Gray, Manual, ed. 7, 853. 1907; Britton, 

 Manual, ed. 2, 1029. 1905 ; Britton & Brown, 111. FL, ed. 2, 3 : 

 539. 1913. 



Annual, 1 to 4 dm. high, glabrous or subfloccose pubescent 

 especially in the axils of the upper leaves and in the inflo- 

 rescence; leaves 2 to 8 cm. long, 0.5 to 2.5 cm. broad, more 

 or less lyrately pymatifid and angulate-toothed, lower leaves 

 narrowed into a margined petiole, the upper sessile and semi- 

 amplexicaul ; heads discoid ; the rather numerous small calyc- 

 ulate bracteoles as well as the bracts of the involucre usually 

 black-tipped; achenes hirtellous-puberulent along the angles 

 or ribs. 



Distribution: Labrador, Newfoundland to North Carolina, 

 west to Alaska, California, and New Mexico. Europe, Asia, 

 and Africa. 



Specimens examined: 



Labrador: Hopedale, 4-6 Aug., 1897, Sornborger 162 (Gray 

 Herb.). 



Newfoundland: rocky hills, St. John's, 1 Aug., 1894, Robin- 

 son S Schrenk (Gray Herb., U. S. Nat. Herb., Geol. Surv. 

 Canada Herb., and Mo. Bot. Gard. Herb.) ; Funk Island, 23 

 July, 1887, Palmer (U. S. Nat. Herb.); rich soil, field near 

 shore, Channel, 27 July-1 Aug., 1901, Howe & Lang 802 (Gray 

 Herb.); Barred Island, 13 Aug., 1903, Sornborger (Gray 

 Herb.). 



Nova Scotia: dry soil, roadsides, North Sydney, Cape 

 Breton, 21-25 July, 1901, Howe & Lang 639 (Gray Herb.) ; 



