4. CRUCIFER^. 116 



56. Crambe maritima, Linn. 



Aiea 1 2 3 4 * 6 7 8 * 10 * 12 13 14 * 16. 



South limit in Devon, Sussex, Kent. ^i*-«t<.,«r>-4 • '^ ^*^- '^''■/< • '^c^- 



North Hmit in Linlithgowsliire and Islay. 



Estimate of pro^diices 12. Estimate of comities 25. 



Latitude 50 — 56. English type of distribution. 



Agi-arian region. Iirferagi-arian — Midagrarian zones. 



Descends, on the coast level, to the Peninsula. 



Ascends, on the coast level, to the West Highlands. 



Range of mean annual temperature 52 — 48. 



Native. Littoral. Rather thinly scattered along the 

 coasts of England and the Lowlands ; and becoming de- 

 cidedly less frequent northwards. Probably more plenti- 

 llil on the west, than on the east side of the island. 



Crambe orientalis, Linn. 



Area (^^^^^^^^^^^le-;^^^^ 15). 



Alien. "Escaped and wild, but not indigenous, at the 

 bridge of Spey, near Fochabers" — Rev. G. Gordon, in New 

 Botanist's Guide. 



57. CORONOPUS DIDYMA, Sm. 



Area 1 2 (3 * 5) 6 7 M (10 11). ^* ^'^- ^^^. J ■ i//. 

 South hmit in Cornwall and Isle of Wight. 

 North limit in Caernarvonshire and Hants or Sussex. 

 Estimate of provinces 4. Estimate of coimties 10. 

 Latitude 50 — 54. Atlantic type of distribution. 



