aaillardia. COMPOSrr.K. 391 



the corolla and 4 cuneatc-ol)l(iii|^f ones three or four tinn's shorter. — Bot. King Exp. 

 171, t. 18. 



Western holders of Nevada {Newberry, JVatson, Levim.nn) ; therel'nie piobahly witliin the 

 State : extends east to S. Utah, Capl. liiilwp, Parry. Heads from half to three fourths of an 

 iiuih long, on short slender peduncles. Corollas flesh-colored, sonic of the marginal with more or 

 1(!S3 enlarged limb. 



++++++ Scales of the involiirre ohtnse or pointless : pappus of S to 12 similar obloiuf- 

 linear scales, little shorter than the flesh-colored corolla : leaves commonly twice 2nn- 

 natifid into fine and short very obtuse lobes. {Afacrocarphiis, Nutt.) 



11. C. Douglasii, Hook. ^'. Arn. A span to 2 feet high, from an annual or 

 hionnial root, white-tomontose or glabrato : loaves narrow-ohlong in outline ; the 

 lobes very many and crowded : heads corymbose, rarely solitary (half to two thirds 

 of an inch high). — C. Douglasii & C. achilleoefolia. Hook. <t Arn. ; Torr. in Stans- 

 bury Rep. t. 6. Ilymenopappus Douglasii, Hook. ¥\. i. 31G. 



Through the Sienii Nevada, thence through Oregon and ea.st to Wyoming and Colorado. 



12. C. Novadenslfl, ("Jray. Leas than a span high, deiirossed, in a perennial 

 tuft : leaves with ovate or cuneato general outline and much fewer lobes, white 

 woolly : heads solitary, on peduncles a little surpassing the crowded leaves. — Hyme- 

 nopa}rpus Nevadensis, Kellogg in Proc. Calif. Acad. v. 



Alpine region of the Sierra Nevada ; Lassen's Peak {Brctcer, Lcmmon) ; alx)ve Summit {Kel- 

 logg) ; Mono Co., Muir. 



§ 2. Papptts wanting : scales of tlie involucre acute. — Acaiipii.ka, Gray. 



13. C. artemisieefolia, Gray. Somewhat viscid-pubefscent, a font or two high : 

 the naked summit paniculate, bearing slender-peduncled rather small heads : leaves 

 1 - 3-pinnately divided or parted, the small ultimate divisions short and linear : 

 scales of the involucre linear-lanceolate : corollas apparently fl(;sh color (rather than 

 " pale yellow ") ; the marginal ones little or hardly at all enlarged. — Acarpha;a 

 artemisioifolia, Gray, PI. Fendl. 98 ; Bot. Mex. Pjound. 95, t. 32. 



Near San Diego, Coulter, Parry, Cleveland. 



78. GAILLARDIA, Fongeioux. 

 Head many-floworcd, with several neutral rays. Scales of the involucre in 2 or 

 3 series ; the outer larger, foliacoous and taper-pointed, spr(m<ling or at length ro- 

 flexed above the coriaceous and appressed base ; the inner smaller and partly scari- 

 ous. lleceptacle convex or hemispherical, with one or more a^vns among the flowers 

 Avhich may be taken to represent chaff. Rays cuneate, palmately 3-cleft at the 

 end : disk-corollas elongated-cylindraceous, with 5 pointed teeth, which are beaided 

 with jointed hairs. Anthera with long ovate-lanceolate tips. Style -branches tipped 

 with a bri.stly tuft, and extended beyond it into a filiform hispid apjieudage. 

 Akenes obpyramidal or oblong turbinate, each surrounded by a tuft of villous hairs. 

 Pappus of 6 to 10 hyaline chaffy scales, traversed by a strong midrib, whicli is con- 

 tinued into a naked awn of about the length of the corolla, or in the sterile rays 

 the scales awnless. — Scabious-like herbs, all North American, pubescent with 

 many-jointed hairs ; the leaves altei'nate, minutely impressed-punctate, varying from 

 ontiro to inoi«od or even iiinnatifid ; heads solitary and long-pedunclcMl, largo anrl 

 showy ; disk-flowers usually purplish or brownish ; the rays yellow or partly dark 

 purple. 



