228 
45. COMPOSITE. 
— E. B. 707. — St. 2 feet high, slender, wavy, slightly branched. 
Heads in small alternate tufts forming long clusters. Flowers 
yellow. — Chalky places and near the sea. B. VII. VIII. E. 
2. L. vir6sa (L.) ; upper I. horizontal oblong auricled and 
clasping mucronate-dentate or sinuate, beak equalling the black 
fruit. — E. B. 1957. — St. scabrous, 2 — 4 feet high, leafy, branched 
above, panicled. Heads scattered, with many heartshaped acute 
bracts, rarely runcinate. Plant full of acrid milky juice. — Dry 
banks. B. VII. VIII. Acrid Lettuce. E. S. 
3. L. Serriola (L.) ; upper I. upright arrowshaped at the base 
and clasping sinuate, beak equalling thej)ale fruit. — E. B. 268. — 
.S'^. slightlji scabrous, below, 2 — 5 feet high, leafy, panicled. 
Heads scattered, with many heartshaped acute bracts. Juice 
rather less acrid than in Sp. 2. — Waste places, rare. — B. VII. 
VIII. Prickly Lettuce. E. 
Beak short. Leaves rvith a smooth keel. 
4. L. muralis (Gaertn.) ; florets 5, 1. lyrate-runcinate angled 
and toothed clasping terminal lobe largest, beak much shorter 
than the fruit, heads panicled. — Prenanthes L. E. B. 457. — 
St. erect, a foot high, smooth, round, hollow. Flowers bright 
yellow. Fruit black. — Banks and old walls. P. VII. E. I. 
43. Takax'acum ./mss., et Vill. Dandelion. 
1. T. officinale (Vill.); 1. runcinate toothed, fr. linear-obo- 
vate blunt and muricate at the top longitudinally striate with a 
long beak. — Stalks single-headed, radical, hollow. Fl. yellow. 
L. all radical, very variable, glabrous or slightly hispid. — 
a. T. officinale (Vill. em., Rchb.) ; outer phyll. linear defle.ted. 
inner ones simple at tip, f r. yellow its upper half muricate, crown 
of the root glabrous or woolly, 1. runcinate broad. — E. B. 510. — 
/3. T. loivigatum (DC.) ; outer phyll. erect-patent ovate, itiner 
gibbous or appendaged at tij), fr. reddish yellow muricate at 
the top, beak with a thickened and coloured base, 1. runcinate- 
pinnatifid with unequal teeth. — y. T. erythrospermvm (DC.) ; 
outer phyll. lanceolate, adpressed or patent, inner gibbous or 
appiendaged at tip, fr. bright red muricate at the top, beak 
with a thickened and coloured base, 1. runcinate-pinnatifid 
with unequal teeth and intermediate smaller ones. Lower- 
most 1. sometimes obovate and dentate (or runcinate when it 
becomes T. obovatum DC). Sy.E.B. 803. — [S. t. uiium{joTd.); 
outer pliyll. at first adpres.seci ultimately spreading, iiinsr almost simple at ti)i, 
3tylc-3 bri>!lit yellow, fr. yellowish ureen, muricate-aculeate at the toji.]-- 
f. T. palustre (DC.) ; outer phyll. ovate-acuminate, adpressed, 
I 
