CRUCIFERae, _Juss._

3. Nasturtium _pal.u.s.tre_, De Cand.--Hook. Fl. Bor. Am. i. p. 39.

4. Arabis _petraea_, Lam.--Hook. Fl. Bor. Am. i. p. 42.

5. Cardamine _pratensis_, L.--Hook. Fl. Bor. Am. i. p. 45.

6. Draba _hirta_, L.--Hook. Fl. Bor. Am. i. p. 52.

7. Draba _alpina_, L.--Hook. Fl. Bor. Am. i. p. 50.

CARYOPHYLLEae, _Juss._

8. Stellaria _Edwardsii_, Br.--Hook. Fl. Bor. Am. i. p. 96, Tab.

31.

9. Cerastium _alpinum_, L.--Hook. Fl. Bor. Am. i. p. 104.

10. Silene _acaulis_, L.--Hook. Fl. Bor. Am. i. p. 87.

11. Arenaria _peploides_, L.--Hook. Fl. Bor. Am. i. p. 102.

LEGUMINOSae, _Juss._

12. Phaca _astragalina_, De Cand.--Hook. Fl. Bor. Am. i. p. 145.

13. Oxytropis _campestris_, De Cand.--Hook. Fl. Bor. Am. i. p. 147.

14. Oxytropis _deflexa_, De Cand.--Hook. Fl. Bor. Am. i. p. 148.

15. Hedysarum _Mackenzii_, Rich.--Hook. Fl. Bor. Am. i. p. 155.

ROSACEae, _Juss._

16. Dryas _integrifolia_, Vahl.--Hook. Ex. Fl. Tab. 200, Fl.

Bor. Am. i. p. 174.

17. Rubus _acaulis_, Mich.--Hook. Fl. Bor. Am. i. p. 182.

18. Potentilla _anserina_, L.--Hook. Fl. Bor. Am. i. p. 189.

19. Potentilla _pulch.e.l.la_, Br.--Hook. Fl. Bor. Am. i. p. 191.

20. Potentilla _nivea_, L.--Hook. Fl. Bor. Am. i. p. 195.

ONAGRARIEae, _Juss._

21. Epilobium _latifolium_, L.--Hook. Fl. Bor. Am. i. p. 205.

SAXIFRAGEae, _Juss._

22. Saxifraga _oppositifolia_, L.--Hook. Fl. Bor. Am. i. p. 242.

23. Saxifraga _caespitosa_, L.--Hook. Fl. Bor. Am. i. p. 244.

24. Saxifraga _Hirculus_, L.--Hook. Fl. Bor. Am. i. p. 252.

25. Saxifraga _tricuspidata_, L.--Hook. Fl. Bor. Am. i. p. 254.

COMPOSITae, _Juss._

26. Nardosmia _corymbosa_, Hook. Fl. Bor. Am. i. p. 307 (Tussilago corymbosa, Br.)

27. Achillaea _millefolium_, L.--Hook. Fl. Bor. Am. i. p. 318.

28. Chrysanthemum _arctic.u.m_, L.--Hook. Fl. Bor. Am. i. p. 319.

29. Pyrethrum _inodorum_, Sm.--Hook. Fl. Bor. Am. i. p. 320.

30. Senecio _aureus_, L.--Hook. Fl. Bor. Am. i. p. 333. var. na.n.u.s.

31. Arnica _montana_, L.--[Greek: b]. _angustifolia_, Hook. Fl.

Bor. Am. i. p. 330.

CAMPANULACEae, _Juss._

32. Campanula _uniflora_, L.--Hook. Fl. Bor. Am. ii. p. 29.

ERICEae, _L._

33. Ledum _pal.u.s.tre_, L.--Hook. Fl. Bor. Am. ii. p. 44.--var.

[Greek: a]. _angustifolium_; and var. [Greek: b]. _latifolium_.

34. Azalea _proc.u.mbens_, L.--Hook. Fl. Bor. Am. ii. p. 44.

35. Rhododendron _Lapponic.u.m_, Wahl.--Hook. Fl. Bor. Am. ii. p. 43.

36. Vaccinium _Vitis Idaea_, L.--Hook. Fl. Bor. Am. ii. p. 34.

MONOTROPEae, _Nutt._

37. Pyrola _rotundifolia_, L.--Hook. Fl. Bor. Am. ii. p. 46.

BORAGINEae, _Juss._

38. Lithospermum _maritimum_, Lehm.--Hook. Fl. Bor. Am. ii. p.

86.