39. COMPOSITE. 95 



3. THEfNCiA. Hairy-Thrincia. 



T. HIRTA, Roth. Scape single flowered, mostly glabrous. Le. 

 all radical, lanceolate, sinuate or shortly pinnatifid, with a few 

 forked hairs. Involucre with several small ones at the base. Fl. 

 yellow, reddish beneath. Outer achenes with a scaly cup-like 

 pappus ; inner one feathery, broad at the base. 



Very rare. "Moors about Airdrie," Hopk. "About Gleuhove, New Monkland," 

 Pair. (E) P. 78. 



4. HYPOCHGE 'EIS. Oafs-Ear. 



1. H. RADIO AT A, L. Long-rooted Caffs-Ear. Stems erect, leaf- 

 less, 12 ft. high, quite smooth, with a few scales, thickened 

 below the involucre. Le. all radical, narrow, toothed or run- 

 cinate, obtuse, scabrous, with stiff simple hairs. Scales of the 

 involucre in several rows. Receptacle with narrow pointed scales. 

 Fl. yellow. 



Common. Pastures and waysides. (B) P. 7. Paisley Canal bank; Cambus- 

 lang; Tollcross, &c. , 



2. H. GLABRA, L. Smooth Caffs-Ear. Stem 6 12 in. branched. 

 Le. spreading oblong, toothed. Inv. as long asthefl. Ped. erect, 

 with a few scales. Fruit with the outer row not beaked. Fl. 

 yellow. 



Dry fields; Whiting Bay, Arran, Dr. Syme. (E) A. 67. 



5. SONCHUS. Sow-Thistle. 



1. S. ARVENSIS, L. Corn Sow-Thistle. Stems simple, 3 4ft. 

 high. Lower le. sinuate-runcinate, and finely toothed, cordate 

 at the base, stalked. Upper ones entire, clasping the stem. 

 Peduncles and involucre with glandular hairs. Fl. corymbose, 

 large, very bright yellow. 



Common. In corn fields. (B)P. 89. Rutherglen; Tollcross; Cathcart, <fec. 



2. S. OLERACEOUS, L. Common Annual-Sow- Thistle. Stem 

 erect, branched, thick, hollow, 3 4 ft. high. Lower le. stalked, 

 undivided or pinnatifid, toothed. Upper ones lanceolate, clasp- 

 ing the stem, auricles spreading, arroiv-shaped. Fl. -heads sub- 

 umbellate. Involucres smooth. Fl. small, yellow. Achenes 

 transversely wrinkled. 



Common. Waste ground and cultivated fields. (B) A. 6 8. Cathcart; Pais- 

 ley Canal bank; and Cambuslang. 



3. S. AS 'PER, Hoffm. Sharp -fringed Annual - Sow - Thistle. 

 Differs but little from the preceding, alid grows in the same 

 localities ; such as Cambuslang, where, on a railway cutting, 

 both grow intermixed. Leaves closely and sharply toothed, 

 auricles rounded. Achenes not transversely wrinkled. 



Common. Waste ground and cultivated fields. (B) A. 6 8. 



