DICOTYLEDONS. — composittE. Hievaciiwi. 235 



5. PRENANTHES. 

 Involucre with scales at the base. Receptacle naked. Pappus 



simple, sessile. FLoreis few. 

 1. Pr. muralis, florets 5, leaves lyrato-pinnatifid and toothed, the 



terminal lobe with about 5 angles, p. 227. — IValls, C^c. 



6. LEONTODON. 

 Involucre imbricated with scales that are frequently lax and flaccid. 

 Receptacle naked. Pappus simple, stipitate. 



1. L. Taraxacum, outer scales of the involucre reflexed, leaves 

 runcinate glabrous toothed, p. 227. — Pastures. 



2. L. pall/sire, outer scales of the involucre erect appressed, leaves 

 sinuato-dentate nearly glabrous, p. 227. — Marshes. 



7. APARGIA. 

 Involucre imbricated, with scales at the base. Receptacle naked, 

 dotted. Pappus feathery, sessile, unequal. 



1. A. hispida, scape single-flowered, leaves dentate scabrous, flo- 

 rets hairy at their orifice glandular at the tip. p. 228. — Meadows. 



2. A. hirta, scape single-flowered, leaves dentate scabrous, invo- 

 lucre nearly glabrous, outer pericarps with a scaly pappus. 

 p. 228. — Drij pastures, 



3. A. Taraxuc'i, scape single-flowered thickened upwards, leaves 

 glabrous runcinato-dentate, involucre very hairy, p. 228. — 

 Mountains. 



A. A. autumnalls, scape branched scaly upwards, leaves lanceolate 

 toothed or pinnatifid subglabrous, peduncles swelling beneath 

 the involucre, p. 228. — Pastures. 



8. HIERACIUM. 

 Involucre ovate, imbricated. Receptacle nearly naked, dotted. 

 Pappus simple, sessile. 



* Scape naked {or rarely with one leaf), single-lowered., 



1. H. alphmm^ scape 1-flovvered, leaflets hairy as well as the 

 oblongo-lauceolate entire leaves, involucre thickly covered all 

 over with long silky hairs, p. 228. — Rocks or mountains. 



2. H. Nailer i, scape 1 -flowered with I or rarely 2 leaves hairy 

 as well as the spathulato-lanceolate toothed leaves, involucre 

 with rather long silky hairs principally near the margins of the 

 scales, p. 229. — Mountains. 



'S. H. Pilosella, scape l-flowered naked, leaves entire elliptico- 

 lanceolate hairy downy beneathjscionscreeping.p. 229.— ija/i^y. 



** Scape naked (or rarely with a single leaf), many -f lowered. 



4. H. duliunty scape many-flowered naked (or with one small leaf). 



