﻿COMPOSITjE. Senecio. 



er leaves ovate, tapering into a petiole partly clasping at the base, un- 

 ally toothed, glabrous above, arenose beneath ; the upper sessile, oblong, 

 te, partly clasping by the auriculate somewhat adnate base, coarsely 

 ;hed, arenose on both sides ; corymb terminal, crowded ; the calyculate 

 olucral scales about 10, acuminate, arenose; rays none; the tubular 

 vers 10-12 ; achenia glabrous.— DC prodr. 6. p. 426. 

 :;alifornia, Douglas,— Rerh 8-10 inches high. Lower leaves 5 inches 

 g, including the petiole. DC 



nearly ecalyculate. 



when young ; radical leaves orbicular or roundish-ovate, mostly cordate, 

 crenate-serrate,^ petioled ; the lower cauline lyrate ; the upper lanceolate, 



at the apex ; corymb somewhat umbellate ; ^ays 8-12^; achenia glabrous.— 

 Linn. spec. 2. p. 870; Mkhx.! jl. 2. p. 120 ; Pursh! fl. 2. p. 530; EU. 

 sk. 2. p. 331 ; Bigel. I fl. Bost. ed. 2. p. 307 ; Hook. ! fl. Bar.-Am. ' " 

 333; Darlingt.! fl.Cest. -- --- 



.p. 208.- S. fastigiatus, Schweinitz! 



. 497 ; DC .' prodr. 6. jp. 432. S. i 



. 529; DC! 

 \ round, seldc 

 ..„„,pe..„,e,.. ^^^^ 



spatulate.— S. obovatus, MM. in Willd. spec. 3. p. 1999 ; Pursh, I c ; 

 EIL L c. ; Darlingt. !^ l.^c. ;^ DC ! I. c. S. aureus (3. gracihs. Hook. ! U- 



Hook.l _ _ 



6. discoideus (Hook. 1. c.) : rays wanting.— A ray less state of var. i9 

 S. elongatus, Pursh! fl. 2. p. 529 ; of var. y. (from Labrador!) is S. pauci- 

 Goras^Pursh!^ Le.^(heads rarely solitary !) : an Oregon P'^"tij?^"^/^^'°f °j 

 trans. Amer. phil. soc. I. c. : an Arctic American form, with the primordial 

 radical leaves often as in var. y. but the succeeding thin, ovate, and sharply 

 serrate- toothed (corymb of few or several heads) is S. discoiiieus, Hook.! Ic 



e. Balsamita: glabrous or more downy; radical leaves oval, oblong. 



cSte or rmher^SX^S^a^eSed, Sme^of Ihem ocSS>^nau/lyrat«- 

 Balsam'itS M^LinWilUj'lleT.lT.f^^S^^ in^t^.! when the 



achenia are said to be glabrous) ; Pursh ! I. c. ; Darlingt. ! l c. ; DC ! I c. 

 excl. syn. S. Platiensis, Nutt. ! in trans. Amer. phil. soc. I. c— Specimens 



lenia either glabrous, or minutely hairy o 

 ' ^^^"^oblongT 



lanceolatus (Oakes) : stem slender, loosely and sparingly coryrob<»e^a 



unequally and sharply serrate, subcordale or cuneate at the base ; the Pau- 

 line few, sessile, laciniate-pinnatifid towards the base; rays 6-8; achenia 

 glabrous.— Oa^e*.' in Havey's mag., Sf in Thompson's gazetteer of ¥er- 



