300 63. POLYGONACE. 
939. Polygonum aviculare, Linn. 
Provinces all. Native. 
Lat. 50—61. Cornwall, Wight, Kent. — Orkney, Shetland. 
Zones 123. Tyne to 600 yards. Highlands to 460 yards. 
Census 18 38 97. Iveland 12. British type of distribution. 
Europe all. Spread hence over the earth. 
Russia 654821. Himalaya. Siberia. Davuria. 
Algeria. Canaries. Azores. — Far. Icel. Greenl. (Am. Col.) 
940. Polygonum Raii, Bab. 
Provinces 12-4-67-9-1112181415 16- [18]. Native. 
Lat. 50—57. Cornwall! Wight! Sussex. — Cantire! Forfar! 
Zones 1 2 ? Littoral. [Shetland, “common”; Edm. flo.] 
Census 12 18 29. Ireland 8. British type of distribution. 
Europe. South France. Bretagne.,, Channel Isles. Euxine. 
N.B. The range may be expected to extend from Spain to 
Scandinavia, but is ill ascertained as yet. 
940*. Polygonum maritimum, Linn. 
Provinces [1] 2 --- [67]. Casual or Native. 
Lat. 50—51. South Hants; Borrer, in 1847. Extinct since ? 
Zone 1. Littoral. [P. Raii thus misnamed in 1 6 7.] 
Census 1 1 1. Ireland 0. Local-english type. 
Europe spa ita tur aus - fra cha. 
Russia 5 4. West-asia. Cyprus. 
Algeria. Egypt. Canaries. Azores. — America. 
941. Polygonum Convolvulus, Linn. 
Provinces all. Native. Colonist northward. 
Lat. 50—60. Cornwall, Wight, Kent. — Hebrides, Orkney. 
Zones 123. Highlands to 350 yards. Tyne to 300 yards. 
Census 18 87 89. Iveland 12. British type of distribution. 
Europe all, except Finmark. 
Russia 654321. Himalaya. Siberia. Kamts. Japan. 
Algeria, probably introduced. — (America, certainly introduced). 
