30. Seligeria, Bruch & Schimp

149. S. campylopoda, Kindb.

Quite common and in fine fruit on damp limestone rocks, Foster's Flats, Niagara River, Ont, May 16th, 1901. (Macoun.)

34. Pottia, Ehrh

154. P. truncatula, Linn. Pottia truncata, Fuern. Cat. Can. Musci. 42.

On ground in open places at Edmonton, Ont, Nov. 5th 1892. (Jas. White.)

157. P. Heimii, Fuern.

On earth, Farewell Creek, Cypress Hills, Assa, June 27th, 1895. (Macoun.)

158. p. latifolia, var. pilifera, (Brid.) Muell.

On bare earth of the river bluff just below Dawson, Yukon, 1899. (Williams.)

36. Leptodontium, Hampe

165. L. Canadensis, Kindb.

In the Bryineae of North America and Europe Dr. Kindberg re-describes this species and names it Didymodon Macounii, Kindb.

Mrs. E. G. Britton in Bull. Torr. Bot. Club, Vol. XXVII., p. 648, shows that this species is identical with Pottia riparius, Aust. and Trichostomum Warnstorfii, Correns, while Dr. Kindberg brings them also together but makes two species out of the three keeping Pottia riparius, Aust. and Trichostomum Warn-storfli, Correns, under Didymodon riparius, Aust.

51. Zygodon, Hook. & Tayl

303. Z. viridissimus, (Dicks.) R. Br.

On oak trees, Victoria, Vancouver Island, May 17th, 1893. (Macoun.)

53. Drummondia, Hook

1022. D. Canadensis, Kindb., Revue Bryol., 1896.

D.clavellata, Hook. var. Canandensis, Kindb., Cat. Can. Musci, 81.

Differs from D. clavellata. Leaves generally sub-obtuse, channelled, distinctly involute at the borders all around. Perichetial leaves broader, more obtuse; nearly all cells lax and long-rectangular. Capsule globose a little larger; lid short-rostrate. Tufts sometimes brown. Monoecious. Nearly allied to D. obtusifolia. C Muell, Chili.

59. Schistostega, Mohr

378. S. osmundacea, Web. & Mohr.

On the earth clinging to the roots of turned up stumps, Perley Lake, Algonquin Park, Ont., July 21st, 1900. (Macoun)

60. Dissodon, Grev. & Arn

379. D. Froelichii, (Hedwig.) G. & A.

On mount Forget-me-not, Elbow River, Rocky Mountains, alt. 7500 feet, Alta., July 14th, 1897. (Macoun)

381. D. splachnoides, (Thunb.) Grev. & Arn.

A few specimens found growing on damp earth by the margin of a pond at Lake Lindeman, Yukon, 1899. (Williams.)