158 



COROLLIFLOR^ 



g. Crepis (Hawk's-heard) 



1. C. taraxacifolia. — Plant hairy, 1-2 feet high ; stem furrowed, 

 . reddish, branched above ; leaves pinnatifid, with a large terminal 



lobe, mostlj' radicle ; flower-heads yellow, the outer florets reddish 

 beneath, erect in l)nd, borne in a flat corymb ; fritils with beaks 

 of their own length. Calcareous soils ; rare. — Fl. June, July. 

 Biennial. 



2. C. fcetida (Foetid Hawk's-beard). — Plant about a foot high, 

 hairy ; - stem branched ; root-leaves pinnatifid ; stem-leaves narrow ; 

 flower-heads bright yellow, on long stalks, drooping when in bud ; 

 fruits beaked, the centre ones much longer than the outer. Cal- 

 careous soils in south-eastern England ; rare. — Fl. June, July. 

 Biennial. 



3. C. virens (Smooth Hawk's-beard). — ■ 

 Leaves smooth, pinnatifid, with the lobes 



I. pointing backwards, the upper ones narrow, 

 arrow-shaped at the base, and clasping the 

 stem ; the lower ones stalked ; varying in 

 height from 6 inches to 2 feet, and producing 

 abundance of small yellow flowers. Waste 

 ground, and on roofs of cottages ; common. 

 — Fl. July to September. Annual. 



4. C. biennis (Rough Hawk's-beard). — A 

 tall stout plant, resembling C. taraxacifolia, 

 but the stem is not red ; 1-4 feet high, not 

 much branched below ; flower-heads rather 

 large, yellow, borne in a corymb ; leaves 

 hairy ; achenes often of varying lengths 

 on the same head. Chalky soils ; rare. — 

 Fl. June, July. Biennial. 



Crepis Virens 

 (Smooth Hawk's-beard) 5. C. hieracioides (Blunt-leaved Hawk's- 

 beard). — An erect slender plant, 1-2 feet 

 high ; radicle leaves oblong, blunt, stalked ; stem-leaves narrow, 

 clasping the stem ; flower-heads few ; achenes not beaked, many- 

 ribbed. Found in a few localities in the north ; rare. — Fl. July, 

 August. Perennial. 



6. C. paludosa (Marsh Hawk's-beard). — Stem about 2 feet high, 

 angular, unbranched ; leaves smooth, the lower ones pinnatifid, 

 with the lobes pointing backwards, tapering into a stalk ; the upiper 

 ones narrow, heart-shaped at the base, and clasping the stem ; 

 flower-heads few, corymbose, yellow, the buds yellow ; involucre 

 with black hairs. Damp woods, chiefly irr Scotland and Northern 

 England. — Fl. July to September. Perennial. 



