5U. GENTIANACER. — 50*. POLEMONIACE. 249 
725. Chlora perfoliata, Linn. 
Provinces 12345678910 [1112]. Native. 
Lat. 50—55. Devon, Wight, Kent. — York, Cumberland? 
Zones 1 2. Low grounds. Humber to 100 yards. 
Census 10 21 41. Ireland 9. English type of distribution. 
Europe spa ita tur aus ger fra cha net. 
Russia 6 5. West-asia. 
Algeria; but the African plant is C. grandiflora, Viv. 
726. Villarsia nympheoides, Vent. 
Provinces - 23 4(5--89101112131415). Native. 
Lat. 50—53. Sussex, Surrey, Berks. — Northampton, Norfolk. 
Zones 1 (2). Low grounds. “Wild” in Sussex; Mr. Hemsley. 
Census 3 5 10. Ireland 0. Germanic type of distribution. 
Europe spa ita tur aus ger fra cha net den. 
Russia 6-4 3. West-asia. India. Siberia. Davuria. China. 
727, Menyanthes trifoliata, Linn. 
Provinces all. Native. 
Lat. 50 —61. Cornwall, Wight, Kent. — Orkney, Shetland. 
Zones 12384. Lakes to 600 yards. Highlands to 510 yards. 
Census 18 88 88. Ireland 12. British type of distribution. 
Europe all. 
Russia 6- 4321. Himalaya. Siberia. Davuria. 
— Faroe. Iceland. Greenland. America. Columbia. 
728, Polemonium ceruleum, Linn. 
Provinces (1 2 8 4) 5 - (7) 8-10 11 12 (18 14 15 16), Native. 
Lat. 52—56. Stafford, Derby! York! — Westmorel., Cheviotl. ! 
Zones - 28. Cheviotland at 200 yards. Cumberland ? 
Census 5 5 6. Ireland 0. Intermediate type of distribution. 
Europe - ita - aus ger fra - - - (got) nor swe lap fin. 
Russia 6-4321. Himalaya, Siberia. Davuria. Kamtsc, 
— [N.E. Greenland, by a misnomer]. America? Columbia? 
2K 
