408. H. sanguinarium, (Linn.) Flot.

On bark, Clearwater Lake, Labrador, July 21st, 1896. (A. P. Low) On bark at Coal River and Wild Cove, Newfoundland. (Waghorne.) On dead wood, Canaan Forks, Queen's Co., N.B. (J. Moser.) On pine bark, Tobique River, N.B. (G. U. Hay.) On trunks, dead wood, rocks and mosses, Tadousac, Que. (A. T, Drummond.) On various trees at Baddeck and Margaree, Cape Breton Island, N.S., July, 1898; on spruce bark, Jupiter River, Anticosti, Que.; on spruce trees, Mount Albert, Gaspé Co., Que.; on bark of various trees and on rocks, Lake Nipigon; on bark of spruce trees, Current River, Thunder Bay, Lake Superior; on moss on rocks at Hector, Rocky Mountains. (No. 510, Eckfeldt) On trees, Union Mines, near Comox, and near Victoria, Vancouver Island. (Macoun.) St. Paul and St. George islands, Behring Sea. (J. M. Macoun)

409. H. grossum, (Pers.) Tuckerm.

On bark of dead wood,Wild Cove and Coal River,Newfoundland. (Waghorne) On red cedar, Island of Grand Manan, N.B. (Willey) On spruce trees along Jupiter River, Anticosti, Que.; on ash trees at the mouth of the Madeline River, Gaspé Co., Que.; on black ash trees at Baddeck, Cape Breton Island, N.S., July 9th, 1898. (Macoun)

410. H. pezizoideum, (Ach.) Flot.

Greenland. (Stizenberger) Labrador or Newfoundland. (Waghorne fide Eckfeldt) On spruce trees, Jupiter River, Anticosti, Que.; on bark of balsam fir at Truro, N.S.; on moss on the bases of trees at Carleton Place, Ont.; on earth and moss, Moose Mountain, Rocky Mountains, Alta, July, 1897, alt. 6,000 feet. (Macoun) On mosses, islands of Behring.Strait. (Wright)

411. H, fuscoluteum, Dicks.

On rocks on earth, Unalaska Island, Behring Sea, June 4th. 1897. (J. M. Macoun.)

412. H. alpinum, Ach.

Labrador or Newfoundland. (Waghorne fide Eckfeldt.)

413. H. porphyrites, Tuckerm,

On bark of trees, Labrador or Newfoundland, (Waghorne fide Eckfeldt.)

414. H. leucoxanthum, (Spreng.) Mass.

Labrador or Newfoundland, (Waghorne fide Eckfeldt.)