39. 



101 



rent. Fl. -heads dioecious,* >'I(fer9foc$4 ovajte/.ii-e^Tly siriooth, scales 

 broadly lanceolate, appressed, with spreading prickly points. 

 Fertile florets short, purple ; barren long and spreading. 

 Common everywhere. Fields and roadsides. (B) P. 7. 



4. C. ERIOPHORUS, Willd. Woolly -headed Plum- Thistle. 

 Stem 2 3 ft. high* branched, furrowed, stout. Le. pinnatifid, 

 lobes narrow, alternately pointing up and down, ending in a sharp 

 stout spine, white and cottony beneath, not decurrent. Fl. -heads 

 large, globular, clustered. Involucral scales covered with cottony 

 wool, lanceolate, with a long spinous, reflexed point. 



Very rare. "Dumbarton Castle," Mr. Murray, in Fl. Sc. Cultivated in 

 gardens at Rutherglen ; hence appearing wild in the vicinity. (E) B. 7. 



5. C. HETEEOPH^LLUS, Willd. Melancholy Plume - Thistle . 

 Rhizome creeping. Stem striate, ^lightly branched above, 2 3 

 ft. high. Le. lanceolate, clasping the stem, scarcely decurrent, 

 undivided, sometimes pinnatifid, fringed with ciliato-serrate 

 prickles. Stem and under side of the le. ' covered with white 

 cottony down. Fl. -heads single, large, slightly nodding. Scales 

 of the involucre obtuse or pointed, slightly downy. Florets 

 purple. 



Not common. Mountain pastures. (S) P. 7 8 " Daldowie," Ilopk. Hills 

 above Dunoon and in Arran. 



6. C. PR ATENSIS, Willd. Meadow Plume- Thistle. ''Creeping 

 le. soft, mostly radical, cauline ones sessile, lanceolate, waved 

 at the edges, or pilose above, cottony beneath, fringed with minute 

 prickles. Heads mostly solitary, globose, terminal, slightly 

 cob webbed. Scales lanceolate, closely imbricate, mucronate," 

 H. <fc A. 



Very rare. Of this I have never seen specimens. " Island of Arran," Mr. 

 Murray. (E) P. 68. 



15. ONOPORDUM. Cotton-Thistle. 



* O. ACANTHIUM, L. Stem stout, branched, 4 6 ft. high. Le. 

 large, sinuate, or coarsely toothed, prickly, decurrent, forming 

 spinous wings at the top of the stem. Fl. -heads very large, 

 globular, solitary, erect, in a loose panicle. Scales of the in- 

 volucre subulate, ending in a spreading prickle, outer recurved. 

 Fl. purple. Plant covered with loose cottony wool. 



Not common. An escape from gardens. "Barncluith," Pair. (E) B. 8. 



16. CARLfNA. Carline-Thistle. 



C. VULGARIS, L. Stem erect, 4 12 in. high, pubescent, Le. 

 lanceolate, sinuate, spinous, not decurrent, cottony beneath. Fl. - 

 heads in small terminal corymbs, inner scales of the involucre 



