Ihinhr.^on}; Wasliiiigloii Tcniloiy, l-'.ikoii Vall.-y [Sk l.s,lnr_h, SiM.kim.- 

 Kivor iihyii- .">s:;, in part); Idaho. O'l-ur UAlciio {(ii-i/rr .">f<:5, in paiL). 



Numerous very iiuniaturo spociinenH ol" this spoci«!S aro found in lier- 

 baria, in which tiie biacts simmu \my inominciit. I.iit it is simply oAvin;,' fo 

 the immaturity of the heads. 



\'ar. microcephalum. A small slciulcr form, with sh<.rl 

 ovate ncuniiiiatc bracts (with somewhat spiiuilost.- maiLjins ) but 

 little longer than the \cr\ small heads ( *i or :'> lines in diameter), 

 and calyx-lobes short-imicroiiate. 



Plumas eounty, California. ls7S(.ir/M. /,'. M. Aiislh,). 



The braets have a liluisli lint. 



14. E. Harknessii Curran, Hull. Calif. Acad. iii. 158. Like 

 the preceiling, but much simpler and taller, about 2 feet high; with 

 much larger ovate-oblong heads (half inch or more long) exceed- 

 ing the bracts; the proniinent bractlets blue. 



California, Suisan Marsh. August {Holandt r, in isC. 1, fturh-itcus, in 

 1883), shores of Goose Lake, September, l^S-t (in herb. Martindale, labeled 

 E. pet tola In III); also probably, Washington Territory, Spokane Rivv*-r 

 (Cooper): also collected by Xeirhmn in Survey ot California and Oregon, 

 with neither station nor date. 



15. E. aromaticum lialdwin; Elliott, i. ;U4. Stems de- 

 cumbent or erect, several from one root, simple to near the sum- 

 mit, very leafy, 1 to 2 feet high: leaves pinnately parted, with 

 entire segments and cartilaginous margins; the 3 upper segments 

 remote and broader, cuspidate; the lower ones scattered and seta- 

 ceous: heads globose (about o lines long), with involucre of 3-cleft 

 bracts longer than the head, and 8-toothed bractlets: fruit tuber- 

 culate, half a line long, with setaceous calyx-teeth a line long, and 

 long styles: oil-tubes large, 3 dorsal and 2 commissural: seed flat- 

 tened dorsally, with plane face. (Fig. 108.) 



Dry pine barrens, Florida; also near Ft. King, Alabama i/.'. Ahle.t, in 

 1H3S). Fl. August and September. 



H). E. fCEtidum L. Spec. 232, in part. A foot or more 

 high (said to be heavy-scented), branching above: radical leaves 

 oblong, spinulose-serrate; upper leaves sessile, paimately cleft with 

 segments more or less cuspidate-toothed: heads oblong (about 

 8 or 4 lines long), sessile, with involucre of large leaf-like bracts 

 many times longer than the head, deeply palmatcly j^arteil into 

 lanceolate more or less spinosely-tofttheil segments; bractlets 



