Part 18 (1/2)

29. Carex _membranacea_, Hook. Fl. Bor. Am. ii. p. 220.

30. Carex _caespitosa_, L.--Hook. Fl. Bor. Am. ii. p. 217.

31. Carex _ustulata_, Wahl.--Hook. Fl. Bor. Am. ii. p. 224.

32. Eriophorum _capitatum_, Host.--Hook. Fl. Bor. Am. ii. p. 231.

GRAMINEae, _Juss._

33. Hierochloe _alpina_, Roem. and Sch.--Hook. Fl. Bor. Am. ii.

p. 234.

34. Colpodium _latifolium_, Br.--Hook. Fl. Bor. Am. ii. p. 238.

35. Dupontia _Fischeri_, Br.--Hook. Fl. Bor. Am. ii. p. 242.

36. Poa _Arctica_, Br.--Hook. Fl. Bor. Am. ii. p. 246.

37. Poa _angustata_, Br.--Hook. Fl. Bor. Am. ii. p. 246.

38. Poa _alpina_, L.--Hook. Fl. Bor. Am. ii. p. 246.

SPECIMENS OF ROCKS,

_Described by JAMES TENNANT, ESQ., Professor of Mineralogy in King's College, London._

CAPE LADY PELLY, 67 30' N. 88 W.

Gneiss.

NEAR POINT HARGRAVE, 67 25' N. 87 35' W.

Gneiss.

CAPE T. SIMPSON, 67 22' N. 87 W.

Gneiss with chlorite.

Mica-slate.

Mica-slate, with indistinct crystals of precious Garnets.

ISTHMUS connecting Ross's Peninsula with the Continent.

Felspar.

SIMPSON'S PENINSULA, 68 1/3' N. 88 20' W.

Compact argillaceous Limestone.