158 COMPOSITE. 



4. KUHNIA. Linn. 



In honor of Dr. Adim Kuhn, of Pennsylvania. 



Heads 10 to 25-flowered. Scales of the involucre loosely 

 imbricated, lanceolate, in 2 or 3 series. Corolla slender 

 5-toothed. Receptacle naked. Pappus in a single series 

 plumose. AcHXNIA cylindrical, many striate. — A perennial 

 herb, with mostly alternate lanceolate leaves with resinous dots 

 and whitish /lowers in panicled corymbs. 



K. EUPAT0RI0IDE3, L. Thorough wort-like Kuhnia. 

 LAM-es varying from linsar and entire to broadly laneeolate and toothed; ccryubt 



tannins.!, f •"•-* •.-.vr. • 



Dry soils. Aug., ?npt. Sen 2 to 3 feet high, slender, somewhat branched, often 

 purplo. Flo'xeri whilLh or pa'.e-yellow. 



r o. MIKANIA. Willi Climbing Hemp-weed. 



In honor of Pr-f. 2Iu-:an, cf ft . 



Heaps 4 to G-nWered. Floy>t:rs all tubular. Involu- 

 cre of 4 scales. Receptacle naked. Pappus capillary, 

 simple, scabrous. Anthers partly exserttd. Achenia 

 angled. — Vlimbing perennials, with opposite mostly heart- 

 shaped leaves and corynibose-paniclru tf^Jt- colored powers. 



M. S, Climbing B'm^?ctt. 



Nearly smoo'Ji, twining; tcarts somewhat trianrular heart-shaped or balbort- 

 fomL, polct-d. tombed at I i b in podnncula.j axillary corymbs. 



Co;- climbing our bashes; rare. July — S^pt. Every p*rt 



sm-vth. Lt - - I », 1 to 2 wide, en petioles 1 to 2 inches long, a**x 



-int. Bnmchet short, each bearing a small corymb of whitish 

 or pin . rs. 



6. COXOCLINIUM. DC Mist-flower, 



Sp. C<m°-/n, a cone, anJ chnt, a lx»d; referring to the conical receptacle. 



Heads many-fiowercd. Receptacle conical. Involu- 

 cre bell-shaped. Scales linear-awl-shaped, somewhat imbri- 

 cated. Corolla 5-toothed. Achenia 5-angled. Pappus 

 a nagle row of slender capillary bristles. — Perennial erect 

 herbs, with opposite petioied leaves, and violetprurpie flowers 

 in cro'cdcd terminal corymbs. 



C. c<elf.stinum, DC. 



Somewhat hairy, much branched; leaves tr;angn!ar-ovate and slightly heart- 

 shaped, erenate-scrrate, veiny ; petioles slender; corymlt numerous, sub-umbellate; 

 sextfes numerous, setaceous. 



Hedge*, thbkefc? and roadsides. S?pt. S"em 1 to 2 fe-?t hijh, terete with oppo- 

 site bran ikes, somewhat %uftcd. Leimei 1 to 2 inches long, ^ as wide* Fl&wmt 

 SO to W la a hwuJ, bluish-purple, fading rodvLsh. 



