28. Andromeda tetragona, L.—Hook. Fl. Bor. Am. ii. p. 38.
29. Ledum palustre, L.—Hook. Fl. Bor. Am. ii. p. 44. var. angustifolium.
Diapensiaceæ, Lindl.
30. Diapensia Lapponica, L.—Hook. Fl. Bor. Am. ii. p. 76.
Boragineæ, Juss.
31. Lithospermum maritimum, Lehm.—Hook. Fl. Bor. Am. ii. p. 36.
Scrophularineæ, Juss.
32. Pedicularis hirsuta, L.—Hook. Fl. Bor. Am. ii. p. 109.
33. Pedicularis Langsdorffii, Fisch.—Hook. Fl. Bor. Am. ii. p. 109.
Plumbagineæ, Juss.