208 coriPOSiTjE. (co:ipopite faimily.) 



9. A. frigida, Willd. Low (C'-^O'high), in tufts, slightly woody at the 

 1)asc, v.hitc-sillcy ; leaves pinnatcly parted and 3 - 5-cleft, the divisions naiTow- 

 lincar; heads globose, racemose. — Dry hills and rocks. Falls of St. Anthony, 

 "Wisconsin {L. Lcsqucrcux, T. J. IIcIc), Lake Superior, and northwestward. 



5 8. G-I7APHALIUM, L. Cudwekd. 



Ilends inany-flowcred ; tlic llowers nil tubular ; the outer pistillate and very 

 slender, the central perfect. Scales of the involucre dry and scarious, white or 

 colored, ind)ricatcd in several rows. Eeceptaclc flat, naked. Pappus a. single 

 row of capillary rough bristles. — Woolly herbs, with sessile ordecurrent leaves, 

 and clustered or corynibcd heads ; fl. in summer and autumn. Corolla whitish 

 or yellowish. (Name from ypd(f)a\ov, a lock of ivool, in allusion to the floccose 

 down of the leaves.) 

 § 1. Achenia terete: pistillate Jloiccrs in several 7-oirs : bristles of pappus distinct. 



1. G. deciirrens, Ives. (Evkklastjxg.) Stout, erect (2° high) peren- 

 nial, branched at the top, clammy -])ubescent, white-woolly on the branches, 

 bearing numerous heads in dense cori/mbed clusters ; leares linear-lanrealtite, partly 

 clasping, decwrent ; scales of the (yellowish-white) involucre oval, acutisli. — 

 Hillsides, New Jersey and Penn. to Maine, Michigan, and northward. 



2. G. polycephalum, Michx. (ComiMon Everlasting.) Erect, woolly 

 annual (l'-2' high), fragrant; leaves lanceolate, tapering at the base, with undu- 

 late margins, not decurrent, smoothish above ; heads clustered at the summit of the 

 panicled-corymbose branches, ovate-conical before expansion, then obovate ; scales 

 of the (whitish) involucre ovate and oblong, rather obtuse; perfect flowers 

 few. — Old fields and woods : common. 



3. G. uliginosum, L. (Low Cudaveed.) Diffuseli/ branched, woolly 

 annual (3' -6' high); leaves lanceolate or linear, not decurrent; heads (small) 

 in terminal sessile capitate clusters subtended by leaves. — Low grounds by the 

 roadside; common eastward and northward : perhaps introduced. (Eu.) 



§ 2. GAM0CHJ:TA, Weddell. Achenia and flowers as % \ : bristles of the 

 pappus united at the very base into a ring, so falling off all together. 



4. G. purptireum, L. (Purplish Cudwhed.) Annual, simple or 

 branched from the base, ascending (6' -20' high), woolly ; leaves oblong-spatu- 

 late, mostly obtuse, not decurrent, green above, very white with close wool un- 

 derneath ; heads in sessile clusters in the axils of the upper leaves, and spiked at the 

 icandjjlce summit%of the stem ; scales of the involucre tawny, the inner often 

 marked with puri)lc. — Sandy or gravelly soil, coast of Maine to Virginia, and 

 southward. 



§ 3. HOMALOTHfeCA, DC. Achenia flattened: pistillate flowers in a single 

 marginal row : bristles of the pappus distinct and fdling separately, as in § 1 . 



5. G. suplnum, Villars. (Mountain Citdweed.) Dwarf and tufted 

 perennial (2' liiuh) ; leaves linear, woolly ; heads solitary or few and spiked on 

 the slender simple flowering stems ; scales of the involucre brown, lanceolate, 

 acnte. — Alpine summit of Mount Washington, New Hampshire: very rare. 

 (Eu.) 



