COMPOSITE. 



195 



5. viscosa. Viscid. Fl. in a pyi'araidal 

 raceme, compound at base. L. lanceolate, ser- 

 rate, p. 7, 8. Coasts of Mdt. 



438. JASONIA. 



A. Seeds villous at base, glandular at top. 



1. g^lutinosa. Fl. discoid. Plant glutinous. 

 L. Jineari-lanceolate, quite entire, often twisted. 

 Branches leafy to the end. w. p. 6, 7- Open 

 rocks. Prov. Rous. Sic. 



B. Seeds nearly terete, everywhere villous. 



2. tuberosa. Somewhat shrubby. Root 

 prsemorse, tuberous, woody. L. linear or some- 

 what lanceolate, quite entire. Branches with 

 few L. Rays exceeding Phyll. p. Open. mdt. 

 France. 



3. sicula. Herbaceous. Root slender. Root- 

 L. lanceolate, dentate. Stem-L. linear, semi- 

 amplexicaul, quite entire. Branches with few 

 L. a. ? or p. 8-10. Moist sandy coasts. 

 mdt. Fr. Sic. Outer Fits, sometimes very short 

 or tubular. 



429. INULA. 



In most species of this genus the outer phyUa- 

 ries are of a different form and substance from 

 the inner, and, except in the last section, are 

 composed of two parts — a thick and firm scale, 

 with a leafy termination. The extreme outer 

 ones sometimes have this leaiy part much 

 enlarged, and uniting with smaU. L. at the top 

 of the flower- stalk : they foi-m an involucrmn 

 on the outside of the common calyx. 



A. Inner PhyUaries obtuse; outer leafy. Sp.l. 



B. Inner PhyUaries acute ; outer with leafy 

 appendage. 



i. Rays shorter than tubular Florets. 



Sp. 2, 3. 

 ii. Rays exceeding tubular Florets. 



a. Seeds not haiiy. 



* Outer PhyUaries wooUy or tomen- 



tose. Sp. 4-8. 

 ** Outer PhyUaries smooth. Sp. 9-12. 



*** Outer PhyUaries with strong bul- 

 bous hairs. Sp. 13, 14. 



b. Seeds hairy. Sp. 15—18. 



C. Outer PhyUaries not of two parts. Sp. 

 19,20. 



A. Inner PhyUaries spatulate, obtuse ; outer 

 leafy. 



1. IXeleuium. L. dentate, velvety beneath. 

 Stem-L. cordate, acuminate. Seeds hairless. 



4-edged. p. 7, 8. Moist meadows and banks. 

 n. Eur. occ. 



B. Inner PhyUaries finely acute; meter a 

 scale tvith a leafy appendage. 



i. Raj/s shorter than calyx. 



2. Conyza. Rays deeply divided on one 

 side, hardly ligulate. Phyll. hairy. Appen- 

 dage very short, glandular, somewhat squar- 

 rose. Stem panicled. L. attenuate into hal't, 

 which is somewhat dilated at base, but not 

 amplexicaul nor dccurrent ; hairy on both sides. 

 Seeds hairy, p. 6, 7- D>'y, chiefly calc. 



3. bifrons. Rays few, ligulate. PhyU. 

 glandular-. Stem panicled. L. dUated at base, 

 cordate, and somewhat decm'rent, glandular on 

 both sides. Seeds smooth, b. 7, 8. Moist 

 shady, s. Fr. It. 



ii. Rays exceeding calyx. 



a. Seeds hairless. 



* Outer PhyUaries woolly or tomentose. 



4. germamca. PhyU. wooUy at the back. 

 Coiymb compound, crowded. L. oblongo- 

 lanceolate, hairy on sm'face and rough on 

 margin. Stem-L. cordate at base. p. 7, 8. 

 Stony. Sax. Palat. Aust. Boh. 



5. media. Cal. somewhat ventricose. Phyll. 

 nearly smooth, ciUate. Coiymb nearly simple, 

 crowded. L. lanceolate, hairy on surface and 

 rough on margin. Stem-L. cordate at base. 

 p. 7, 8. Mill meadows. Between Ki-euznach 

 and Bingen. Palat. — Koch. 



6. hybrida. " Outer PhyU. somewhat vU- 

 lous on back and margin, wdth 1 to 3 lanceo- 

 late, 3-nerved bracts. Corymb crowded, about 

 5 -flowered. L. narrow lanceolate, acute, re- 

 motely and obscurely denticulate, venoso-ner- 

 vose, rough and somewhat woolly on margin, 

 othenvise hairless. Perhaps a hybrid between 



p. 7, 8. On the 

 -Koch. 



germauica and ensifoUa. 

 Kahlenberg near Vienna.' 



7. ensifolia. Appendage ovato-lanceolate, 

 3-5 nerved -. lower longer, and passing into a 

 leafy involucrum. Base of Cal. and top of 

 stalk wooUy. Fl. few, somewhat corymbose. L. 

 narrow lanceolato-Unear, nerved, cUiato-sca- 

 brous. Surface not hairy, p. 7, 8. Rocky 

 hills. , It. s. e. G. 



8. 'Vaillantii. Appendage somewhat squar- 

 rose, wooUy at back. Yi. corymbose. Cal. 

 and top of Stalks wooUy. L. lanceolate, hairy, 

 narrow at base. p. 8, 9. Moist thickets and 

 mountain meadotvs. w. Alps. 



c 2 



