69. EUPHORBIACE.Z. — 70. URTICACEZ. 309 
977. Mercurialis annua, Linn. 
Provinces 123456789 (101112-14 15). Colonist? 
Lat. 50—54. Cornwall, Wight, Kent. — Lancaster, Notts. 
Zones 1 2. Low grounds. (York — Perth, a casual weed.) 
Census 9 18 80. Ireland 4. English type of distribution. 
Europe spa ita tur aus ger fra cha net (den - nor). 
Russia 6 5 4. West-asia. Cyprus. 
Algeria. Canaries. Azores. 
978. Urtica urens, Linn. 
Provinces all. Nutive. 
Lat. 50—61, Cornwall, Wight, Kent. — Orkney, Shetland. 
Zones 123. Tyne to 550 yards. Highlands to 400 yards. 
Census 18 388 92. Ireland 1x. British type of distribution. 
Europe all. Carried widely to other countries. 
Russia654321. Himalaya. Siberia. Davuria. 
Algeria. Canaries. — Iceland, introduced? (America). 
979. Urtica dioica, Linn. 
Provinces all. Native. 
Lat. 50—61. Cornwall, Wight, Kent. — Orkney, Shetland. 
Zones 12845. Highlands to 830 yards. Humber to 800 yds. 
Census 18 88 97. Ireland 12. British type of distribution. 
Europe all. 
Russia 6543821. Himalaya. Siberia. Davuria. 
Barbary; Desf. atlan. — Faroe. Iceland. (America). Aleutia. 
982. Parietaria officinalis, Linn. 
Provinces 1 to 15 - (17). Native. 
Lat. 50—57 or 58. Cornwall, Wight, Kent. — Forfar! (Ross). 
Zones 1 2 (3). Low grounds. Humber to 250 yards. 
Census 15 30 74. Ireland 12. British-english type. 
Europe spa ita tur aus ger fra cha net den got. 
Russia 6 5 43. India. Western Siberia (P. erecta). 
Algeria. Egypt. Morocco. Canaries. Azores, 
