228 COMPOSITE. (COMPOSITE FAMILY.) 



crowded in a narrow and clustered leafy panicle. @ River-banks, Ohio to 

 Illinois, and northward. Aug. 



3. Receptack hairy : flowers all fertile, the marginal ones pistillate. 

 7. A. ABSINTHIUM. L. (COMMON WORMWOOD.) Rather shrubby, fiilky- 

 hoaiy; leaves 2- 3-pinnatcly parted ; the lobes lanceolate ; heads panic-led, nod- 

 ding. Road-sides, sparingly escaped from gardens. (Adv from Eu.) 



Re Addoncl. 



58. G WAP II A LI TIM, L. CUDWEED. 



Pleads many-flowered ; the flowers all tubular; the outer pistillate and very 

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

 colored, imbricated in several rows. Receptacle flat, nuked. Pappus a single 

 row of capillary rough bristles. Woolly herbs, with sessile or decurrent leaves, 

 and clustered or corymbcd heads. Corolla whitish or yellowish. (Name from 

 yva(}>a\ov, a lock of wool, in allusion to the floccose down of the leaves.) 



# Acheiiia nearly terete: pistillate flowers occupying several rows. 



1. O. deciirrens, Ives. (EVERLASTING.) Stem stout, erect (2 high), 

 branched at the top, clammy-pubescent, white-woolly on the branches, bearing 

 numerous heads in dense corymbed clusters ; leaves linear-lanceolate, partly claapina, 

 decurrent; scales of the (yellowish-white) involucre oval, acutish. 1J. Hill- 

 sides, New Jersey and Penn. to Maine and northward. Aug. - Sept. 



2. O. polycepliSllimi, Michx. (COMMON EVERLASTING.) Stem 

 erect, woolly; leaves lanceolate, tapering at the base, with undulate margins, not 

 decurrent, smoothish above ; heads clustered at the summit of the panicled-coryniboM 

 branches, ovate-conical before expansion, then obovate ; scales of the (whitish) 

 involucre ovate and oblong, rather obtuse ; perfect flowers few. (i) Old fields 

 and woods; common. Plant fragrant, 1 2 high. 



3. G. uligiiiosum, L. (Low CUDWEED.) Diffnsdij branched, woolly 

 all over (3' -6' high) ; leaves lanceolate or linear, not decurrent; heads (smalt) 

 in terminal sessile capitate clusters subtended by leaves ; scales of the involucre ob- 

 long. (1) Low grounds, and ditches by the road-side ; introduced ? ( Eu.) 



4. G. piirpurcum, L. (PURPLISH CUDWEED.) >'/-//< s>m/>le, or 

 branched from the base, ascending (6' - 20' hi^h), woolly; leaves oblong-sputa 

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

 derneath ; fii<k in sessile clusters in the axils of the. upper b-act-s, and spiked at the 

 wand-like summit of the stem ; scales of the involucre lance-oblong, tawny-whito, 

 the inner often marked with purple. Sandy or gravelly soil, coast of Maine to 

 Virginia, and southward. 



# # Achenia flatfish : pistillate flouws in a siwjle Htcuytnal rctr. 



5. G. Sllpioililll, Villars. (MOUNTAIN CUDWEED.) Dwarf and tufted; 

 leaves linear, woolly ; heads solitary or few and spiked on the slender simple 

 flowering stems ; scales of the involucre brown, lanceolate, acu:e. \\. Alpine 

 summit of Mount Washington, New Hampshire : rare. (Eu.) 



