44. COMPOSITE. 93 



to have become permanently naturalized on the ballast 

 hills. 



617. BiDENS CERNUA, Linn. 



Area 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Moray, Kincardine, Argyle. 



Estimate of provinces 16. Estimate of counties 70. 



Latitude 50 — 58. British (?) type of distribution. 



Agrarian region. Inferagrarian — Superagrarian zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 100 or 200 yards, in England. 



Range of mean annual temperature 52 — 47. 



Native. Paludal. Scarcely general enough to be re- 

 ferred to the British type, yet almost too general to belong 

 properly to the English type. My only localities in the 

 West Highland province are in the South of Dumbarton- 

 shire (Flo. Glott.) and in Cantire (Prof Balfour) ; and ap- 

 parently it occurs in very few places in the East Highlands. 



-4*. /^/^ ^^f^-^9'> 618. BiDENS TRIPARTITA, Linn. 



Area 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ^^16. 

 South limit in Cornwall, Tsle of Wight, Kent. 

 North limit in Islay, about Glasgow and Edinburgh. '^y4/->^* 

 /^ Estimate of provinces i:;^. Estimate of counties 60. 

 Latitude 50 — 56. English type of distribution. 

 Agrarian region. Inferagrarian — Midagrarian zones. 

 Descends to the coast level, in the Peninsula. 

 Ascends to 100 or 200 yards, in England. 

 Range of mean annual temperature 52 — 47. 



