64 
S. panustris, Marsh Sow-Thistle. Fig. 631. 
Leaves runcinate; upper ones arrow-shaped, with very long lobes. 
Involucrum hairy. River-sides ; rare. 7-8 ft. Perenn. July. Yellow, 
(2) £.B. 1.935. E. B. 2. 1066. H. § Arn. 213. Bab. 195. Lind. 156. 
S. arvensis. Corn Sow-Thistle. Fig. 632. 
Creeping at the root. Lower leaves runcinate ; upper ones entire, 
Involucrum hairy. Corn-fields; common. 3-4 ft. Perenn. Aug. 
Golden yellow. (2) H. B.1.674, HE. B. 2.1067. H. § Arn. 213. 
Bab. 195. Lind. 156. 
S. oreraceus. Sow-Thistile. Fig. 633. 
Leaves more or less pinnatifid; lower ones with foot-stalks. Invo- 
lucrum smooth. A commonweed. 1-3 ft. Ann. June-Oct. Yellow. 
(2) FE. B.1.843. #. B.2. 1068. H. § Arn, 213, Bab. 195. Lind. 156. 
S.asper. Rough Sow-Thistle. Fig. 634, 
Leaves with rounded bases ; lower ones sessile, spiny at the margin, 
A mere variety of oleraceus. (2) EH. B. Supp. 2765. H, B. 2. 1068*. 
H.§ Arn. 214. Bab. 195. Lind. 328. 
Genus 5. Lacruca. 
L. virosa. Wild Lettuce. Fig. 635. 
Leaves horizontal, oblong, finely toothed. Stem prickly. Flowers 
in panicles. Hedge-banks; common. Verynarcotic. 3-4 ft. Bienn. 
Aug. Yellow. (4) #.B.1.1957. #. B. 2.1069. H.& Arn, 212. 
Bab. 194. Lind. 156. 
L. Scartoua. Prickly Lettuce. Fig. 636. 
Leaves nearly erect, lobed, prickly. Flowers in a terminal panicle. 
Waste places. 2-3 ft. Bienn. Aug. Yellow. (2) HH. B. 1. 268. 
EF, B.2.1070. H. § Arn. 212. Bab. 194. Lind. 156. 
L. satiena. Small Lettuce. Fig. 637. 
Root-leaves lanceolate, entire ; upper ones linear-lanceolate, sagittate. 
Flowers nearly sessile. Near the sea. 6 in.-1 ft. Bienn. Aug. 
Pale yellow. (3) HF. B.1.707. #. B. 2.1071. H. §& Arn, 212. 
Bab. 194. Lind. 157. 
Genus 6. PRENANTHES. 
P. murauis. Ivy-leaved Wall-Lettuce. Fig. 638. 
Leaves lyrate ; terminal lobe large and angular. Florets 5. Walls 
and cliffs. 1 ft. Perenn. July and Aug. Pale yellow. (2) £.B. 
1.457. #. B. 2.1072. H. § Arn. 212. Bab. 194. Lind. 157. 
P. nreractirouia. Hawk-weed Wall-Lettuce. Fig, 639. 
_ Leaves oblong-obovate, downy, toothed. Panicle corymbose, spread- 
ing. Near Forfar. 1 ft. Ann. June—-Sept. Yellow, anthers brown. (4) 
Ff, B. 1.2325. FB. 8.1073. § Arn. 214. Bab. 197. Lind. 158. 
Genus 7. Lrontopon. 
L. Taraxacum. Dandelion. Fig. 640. 
Leaves runcinate, smooth, all springing from the root. Outer scales 
of involucrum reflexed. A common weed. Diuretic. 6 in. Perenn. 
April-Oct. Bright yellow. (3) E.B.1.510. E.B.2.1074. H.& 
Arn. 216. Babei95. Lind. 47. fa 
