340 80. ALISMACEA. 
1118. Sagittaria sagittifolia, Linn. 
Provinces 1 to 18. Native. 
Lat. 50—56. Devon, Sussex, Kent. — Renfrew, Durham. 
Zones 1 2. Low grounds. 
Census 13 24 538. Ireland 5. English type of distribution. 
Europe all, except Lapland and Finmark. 
Russia 66-4321. India. Siberia. Davuria. Kamtschatka. 
— America. Columbia. Not typical in America. 
1114. Butomus umbellatus, Linn. 
Provinces 1234567891011 12-(14 15). Native. 
Lat. 50—55. Cornwall, Wight, Kent. — Cumberland, Durham. 
Zones 1 2. Low grounds. 
Census 12 25 52. Ireland 6. English type of distribution. 
Europe all, except Lapland and Finmark. 
Russia 65432. West-asia. India. Siberia.. Davuria. 
1115. Triglochin maritimum, Linn. 
Provinces all. Native. 
Lat. 50—61. Cornwall, Wight, Kent. — Orkney, Shetland. 
Zones 123. Littoral. 
Census 18 35 61. Ireland 10. British type of distribution. 
Europe all, unless Turkey to be excepted. 
Russia-- 4821. India. Siberia. Davuria. 
Algeria. — Faroe. America. Columbia. 
1116. Triglochin palustre, Linn. 
Provinces all. Native. 
Lat. 50—61. Cornwall, Wight, Kent. — Orkney, Shetland. 
Zones 12345. Highlands to 960, 880, 710, 710 yards. 
Census 18 38 92. Ireland 12. British type of distribution. 
Europe all, unless Turkey to be excepted. 
Russia 654321. India. Siberia. Davuria. Kamtschatka. 
Barbary. — Faroe. Iceland. Greenland. America. Columbia 
