COMPOSITiE. 



207 



cept in ericoides and leucantlia, but they are 

 not satisfactory. 



453. DIOTIS. 



1. caudidissima. Plant covered with, a 

 thick white cotton. L. oblong, semiamplesi- 

 caul. n. in a corymb, p. 7, 8. Sandy 

 shores. 



Tiibe V. SENECIONWE^. 



454. DORONICUM. 



A. Root-L. cordate. 

 1. caucasicuiu. Neck of Root covered 

 with silky wool. Stem simple, 1 -flowered. L. 

 crenato-dentate. Root-L. stalked, cordato- 

 subrotund. Lower stem-L. somewhat cordate. 

 (Stalks auricled, DC.) ; upper semiamplexi- 

 caul. (Recept. covered with short hairs, Koch.) 

 Seeds of Ray quite smooth, p. 6-8. Shade. 

 K. Nap. Sic. s. e. G. 



3. Columnse. Root creeping, knotty. 

 Neck not bearded. Stem simple, 1-flowered. L. 

 dentato-angular, somewhat rough. Root-L. 

 cordato-reniform, on long stalks. Lower stem- 

 L. auricled; middle cordate, or spatulato-cor- 

 date ; upper ovato-lanceolate, amplexicaul. 

 Seeds of Rays somewhat pubescent, p. Shady 

 mountains. K. Nap. Apuan Alps. Tyr. 



3. Pardalianches. Hirsute. Root with 

 long, slender runners. Neck not bearded. L. 

 dentate. Root-L. stalked, cordate. Lower 

 stem-L. somewhat ovate, the stalks amicled ; 

 uppermost amplexicaul, acute. H. stalked, 

 numerous, p. 5, 6. Hilly woods. 



p. humile. L. ciliate. Stalk of root-L. 

 winged. Upper L. very few, ovato-lan- 

 ceolate. K. Naples. 



4. austriacum. " Somewhat hirsute. L. 

 denticulate. Root-L. stalked, cordate. Lower 

 stem-L. spatulato-ovate, abruptly attenuate, 

 semiamplexicaul ; uppermost cordato-amplexi- 

 caul, lanceolate." — DC. (No root-L. Lowest 

 stem-L. much smaller than the follomng ones, 

 approximate, cordate, acuminate, on an auricled 

 stalk. — Koch.) Both writers quote Jacq., 

 ' m. Aust.,' t. 130. p. 6-8. Woody moun- 

 tains. Boh. Aust. Carinthia. e. Pr. Pyr. 



B. Boot-L. ovate. 



5. scorpioides. Somewhat hirsute. Neck 

 bearded. L. dentate. Root-L. stalked, ovato- 

 rhombic. Lower stem-L. ovate, attenuate. 



cordato- amplexicaul; upper sessile, cordato- 

 ovate, acute, p. Woody hills. Austria. Fr. 



Italy. 



6. plantagineuta. Smooth. Neck with a 

 silky fleece. Stem nearly simple, 1-flowered. 

 Root-L. stalked, ovate or oval, repando-den- 

 tate. Stem-L. nearly entire, lanceolate : lower 

 attenuate into an earless stalk ; upper sessile, 

 oblong, acuminate. Seeds of Ray hairless. 

 p. Sandy shade. Paris. Prov. G. 



455. ARONICUM. 



1. corsicum. Somewhat downy. Stem 

 corymbose at top, 3-5-flowered. L. amplexi- 

 caul, attenuate : lower ovate ; upper oblongo- 

 lanceolate, dentate. PhyU. pubescent, some- 

 what ciliate. p. Wet rocks. Cors. 



2. Doronicuiu. Hirsute. Stem hoUow, 

 1-flowered. Hairs acute, with distant joinings. 

 AH L. soft and flexible, oblong. Root-L. 

 stalked, attenuate. Inner PhyU. smaller, and 

 exactly linear, p. 7, 8. V&-y high, moist. 

 Alps. Pyr. 



8. glaciale. Stem 1-flowered, solid except 

 just under flower. Haii-s acute, with distant 

 joinings. L. rigid, ovate or oblong; lower 

 stalked. Stem-L. semiamplexicaul. p. 7, 8. 

 Snowy. Alps. 



4. scorpioides. Stem 1-flowered. Haii-s 

 obtuse, with crowded joinings. Lower L. 

 broadly ovate. Stem-L. ovate or oblong ; upper 

 amplexicaul. p. 7, 8. High gravelly. Alps. 



456. ARNICA. 



1. luontana. Root-L. obovate, nearly en- 

 tire, 5-uerved. Stem-L. 1 or 2 pair. Stem 

 few-flowered, p. 6, 7. Openings in woods. 

 m. Europe. 



457. SENECIO. 



A. Flowers without rays. L. divided. Sp. 

 1,2. 



S. Flowers with small revolute rays. L. 



divided. Sp. 3-5. 

 C. Flowers with expanding rays. L. divided 



(except in Sp. 7, 8, 9). 



i. Plant not hoary. PhyU. nearly as long 

 as disc. 



a. Calyx without accessory scales. Sp. 6. 



b. Calyx with accessory scales, 

 * L. undivided,- Sp. 7-9. 



