(893.) H. Haldanianum, Grev.; Lesq. & James, Mosses of N. America, 397; Canadian Musci, No. 355.

H. pulchrum, Drumm. Musc. Bor. - Am., No. 180, in part.

Pictou Co., N.S. (McKay.) On old logs; common, New Brunswick. (Fowler's Cat.) On decaying trunks, at Canaan Forks, N.B. (J. Moser.) On logs, Tobique River, N.B. (Hay.) On old logs, Truro, N.S.; abundant on rotten logs around Ottawa, Belleville and Wooler, Ont.; on logs at Lake Nipissing, Ont. (Macoun.) Common in cedar swamps Dear London, Ont. (J. Dearness.) Upon trunks of trees in Upper Canada. (Drummond.)

(894.) H. nemorosum, Koch; Lesq. & James, Mosses of ST. America, 398.

On decayed wood at Canaan Forks, Queen's Co., N.B. (J. Moser.)

(895.) H. flaccum, C. M. & Kindb. (n. sp.)

Tufts large and loose, brown below, pale green above. Stems pinnate, sparingly radiculose, red-brown; branches elongate, attenuate, distant and flaccid; paraphyllia few, multiform. Leaves oblong-lanceolate, shortly subulate-acuminate, not curved, concave-involute, patent, with excavate dark-orange auricles at the base; stem-leaves decurrent, slightly recurved at the basal angles; branch-leaves loose, sub-distichous, not decurrent nor recurved; cells narrow, long-linear, not chlorophyllose, the alar large, subquadrate, the inner basal narrow, pale-orange; costa short, double and indistinct or none. Barren.

On old logs (or rocks) Canaan Forks, Queen's Co., N.B. (J. Moser.) On rocks at the foot of Jones Falls, Sydenham River, Owen Sound, Ont. (Macoun.)

(896.) H. subflaccum, C.M.& Kindb. (n. sp.) Cylindrothecium Drummondin, Canadian Musci, No. 436.

Tufts loose, glossy green. Stem green, irregularly branching, not radiculose; branches few and long, flaccid, sub-compressed when dry; paraphyllia none. Leaves striate, oblong-lanceolate, denticulate above to 1/4, not curved, loosely appressed or subpatent; the basal angles hyaline, not excavate; stem-leaves short-decurrent, acute or short-acuminate; branch leaves not decurrent, longer acuminate; cells narrow, long-linear and chlorophyllose, the basal dilated, hyaline and irregular, sub-rectangular, the inner rarely pale-yellowish; costa none. Dioecious. Female plants not found. Habit of Hypnum pratense, but it has entire leaves.

On earth in the "Big Swamp," Murray, Northumberland Co., Ont. October 9th, 1888. (Macoun.)

(897.) H. pseudo-drepanium, C. M. & Kindb. (n. sp.)

Tufts loose, green, faintly glossy. Secondary stems very long, flaccid, subpinnate, sparingly radiculose, faintly compressed; paraphyllia none; branchlets few and very short, curved at the apex. Leaves plicate, entire, from a short broad-ovate base narrowed into a short incurved, acute acumen, crowded, loosely appressed when dry, not decurrent, not distinctly chlorophyllose; basal cells hyaline, dilated (the inner sometimes yellowish) thick-walled, the alar large sub-rectangular, well-defined, the other longer and narrower; auricles excavate; costa indistinct or short and double. Dioecious. Female plants not found.

On old logs in woods, Dow's swamp, Ottawa, Ont., September 16thr 1889. (Macoun.)