222 
45. COMPOSITJi. 
pinnatilid, lobes bitid with lanceolate entire segments each ter- 
minated by a strong spine, involucres ovate shaggy, phyll. lanceo- 
late spinous spreading. — E. B. 107. — St. 3 — 4 feet high, erect, 
furrowed, hairy, with strong spinous wings. Heads terminal, 
solitary or 2 or 3 together, large. — Waste ground. B. VII. VIII. 
Spear ThiMle. E. S. I. 
5. C. erioph'oruK (L.) ; I. Italf-dmpin<j not decurrent white and 
cottony beneath deeply pinnatifid, lobes bifid the segments lan- 
ceolate entire alternately pointing upwards and downwards and 
each terminated by a strong spine, invohicres globose shaggj", 
phyll. lanceolate with a long spinous-tipped reflexed point. — 
E. B. 386. — 8t. 3 — 4 feet high, much branched, furrowed, hairy. 
Root-1. 1 — 2 feet long, linear with long divergent lobes which 
form double rows in a very regular manner. Stem-1. similar 
but smaller. Heads very large ; inv. covered with a dense 
white web. A remarkably conspicuous plant. — Waste ground 
on a limestone soil. B. VIII. Wooll //-headed Thistle. E. 
tt Leaves not spinous-hairy above, 
a. Limb of the cor. b-parted to its base. Breea Less. 
6. C. arvensis (Robs.) ; heads subdioecious, /. subsessile oblotuj- 
lanceolate pinnatifid spinous wavy,inv. ovSid subglabrous,^/*;'///. 
bi-oadly lanceolate adpressed terminating in a short spreading 
spine, rhizome creeping. — E. B. 975. — St. erect, 3—4 feet high, 
leafy, angular, corymbose above. L. very spinous, sessile or 
very slightly decurrent, varying greatly in width.— + /3. setosus : 
1. lanceolate flat entire or slightly lobed. Cir. setosum (M. B.) — 
[a less spinous form with some of the upper 1. entire, intermediate 
between the type Qiorridus) and /3. is var. viitis (Koch, under CiTsium) 
y. anjen'teus (Buch. -White) ; 1. densely white-tomentose beneath.] — Fields 
and roads. CulrOSS and Kirkwall, S. [and many other places]. 
p. VII. (3. IX. Creeping Thistle. E. S. I. 
b. Limb of the cor, ^-parted to its middle, 
7. C. palns'tris (L.) ; /. decurrent lanceolate deeply pinnatifid 
spinous, inv. ovoid crowded, p}i//ll. ovate-lanceolate adpressed 
mucronate. — E. B. 974. — St. solitary, erect, 3 — 5 feet high, 
wand -like, with wavy spinous wings throughout, slightly 
branched. Heads in a terminal clvster, sinall. Fl. purple or 
white. Underside of the 1. usually cottony. Inv. with a slight 
web.— Wet meadows. A. VII. VIII. E. S. I. 
8. C. prate^Ksis (Huds.) ; /. mostl// radical lanceolate vtamj or 
lobed pilose above cottony beneath fringed with minute prickles, 
