DATE DUE

aK 512.C2M17

Cornell university Library

DEMCO 38-297

THE CRYPTOGAMIC FLORA

OF OTTAWA.

BY
t

JOHN MACOUN, M.A,, F.L.S., F.R,S.C.

Reprinted from THe Orrawa-NatuRALIsT, Vol. xi Nos. 7, 9, 11, and Vol. XII,
Nos. 2, 3, 5. Issued October, 1897, to September, 1898. as

ar,

gateka

Cornell University

Library

The original of this book is in
the Cornell University Library.

There are no known copyright restrictions in
the United States on the use of the text.

http://www.archive.org/details/cu31924001764988

THE CRYPTOGAMIC FLORA OF OTTAWA.

By Pror. JoHnN Macoun, M.A., F.L.S., F.R.S.C.

INTRODUCTORY NOTE.

For a number of years the writer has been colleeting and studying
the Cryptogamic flora of Ottawa and the surrounding country, during
his holidays and in spare hours. At the present time his’ notes and
observations have accumulated to such an extent that he considers it
better to publish an incomplete list rather than wait until his excursions
could take in a wider area and include a larger number of species.

Dr. James Fletcher, in ‘‘ Alora Odtawaensis,” includes an area of
about 30 miles. around Ottawa, and the writer purposes to ‘cover
about the same radius, but owing to want of time and other causes,
only the district close to the city has been properly examined. It is
the writer’s intention to continue this work and from time to time
publish the additions made by himself or others. The aim of the
writer has been to place in the herbarium of the National Museum a
complete set of all the species enumerated, but where possible a char-
acteristic specimen of each species has been laid aside so that should
the day ever come when the local flora of our city and its vicinity be
gathered into one herbarium the Cryptogams will be forthcoming. I
may then say that every species which appears in the following lists is
held in duplicate and can be seen and examined at any time by those
interested in the study of botany.

My notes extend over many years, as my first collections were
made in the autumn of 1883, and have continued up to the present
time. Owing to my absence from the city every summer, my collecting
is chiefly done in September and October, and hence many fungi that
are quite common around the city do not appear in the ‘lists. Musci,
Hepatic, and Lichens are more fully represented, but there are many
species yet to be detected when my excursions become more widely
extended.

2 THE OTTAWA NATURALIST. [October

The chief excuse for publishing these lists at the present time is
that our club may be shown what a field for research lies at its very
doors and how easily any one desirous of doing something in the
botanical field can find work ready to his hand. In the following lists
the dates following a locality mean the date when the specimen in our
herbarium was collected.

MUSCI.

I. SPHAGNUM. Peat Moss.

1. S. fimbriatum, Wilson.

Our peat bogs contain many species of Sphagnum, but none have
been carefully examined except the Mer Bleue near Eastman’s Springs,
12 miles from the city. This species has been gathered in the
swamp on the Glebe property, Bank St.; in the Mer Bleue, and near
Casselman on the C.A.Ry.

2. S. Girgenshonii, Russ.

This species is chiefly found amongst black ash, growing in rigid
hummocks. Collected in the swamp at the north-east corner of
Beechwood Cemetery.

Var. hygrophilum, Warnst.

This form has been found on the Glebe property and in the
swamp on the north side of Beechwood Cemetery.
3. S. fuscum, (Schpr.) var. fuscescens, Warnst.

This is a common species in all peat bogs, and is particularly
abundant in the Mer Bleue ; at Casselman ; and in the swamp on the
Glebe property. This is the dull rusty-coloured form.

Var. pallescens, Warnst.

Very common in the Mer Bleue and certainly in all large bogs in
in the district.
4. S. tenellum (Schpr.) var. rubellum, (Wils.)

This form is very abundant is the Mer Bleue, and is easily dis-
tinguished from the preceding by its bright red colour.
5. S. acutifolium, (Ebrh.)

This is a very common species in all peat bogs, and takes many
forms and colours, passing from white to purple and bright red. The
common form is abundant in the swamp on the Glebe property, in
Dow’s Swamp at Casselman, and in the Mer Bleue.

1897] MacoUN—CRYPTOGAMIC FLORA OF OTTAWA. 3

Var. versicolor, Warnst.
_ This form is white and purple, and is very beautiful. It is abund-
ant in the Mer Bleue, and in the swamp on the Glebe property.
Var. pallescens, Warnst.
Growing generally in water, and always quite white. Common in
the Mer Bleue.
6. S. recurvum, (Beauv.) var. pulchrum, Lindb.

This species prefers the borders of peat bogs, water-holes in them,
and black ash swamps, and takes many forms. Its forms are recognized
by their recurved leaves. Wet woods along the borders of the Mer
Bleue.

Var. mucronatum, Russ.
Wet woods along the Mer Bleue.

Var. amblyphyllum, Russ.
In water in holes in the Mer Bleue,

Var. parvifolium (Sendt.)

In the Mer Bleue and in the swamp nofth of Beechwood
Cemetery,
7. S. cuspidatum, (Ehrh.) var. submersum, Schpr.

Much like the preceding, but leaves not recurved. In the swamp
on the Glebe property, Bank St.
8. S. squarrosum, Pers, var. speciosum, Russ.

This is a very beautiful species, generally found in hollows in
damp woods. Its leaves are always very much recurved. In damp
woods north of Beechwood Cemetery ; at Casselman ; and in woods by
the Mer Bleue. :

9. S. Wulfianum, Girg.
Abundant in spots in the Mer Bleue. A beautiful species.

Var. macroclada, Warnst.
In wet spots in the woods north of Beechwood Cemetery.
Var. viride, Warnst.
Swamp north of Beechwood Cemetery ; and in the swamp on the
Glebe property, Bank St. Bae Fey
to. S. cymbifolium, Ebrh.

This, the next ‘ _ ; a
peat moss four” «wo species an : 1
_a in the bogs of Europe and Americ

“

acutifolium form the bulk of
a and produce the

4 THE OTTAWA NATURALIST. [October

litter now so extensively used iu the large cities of Europe and America.
Abundant in Dow’s Swamp, on the Glebe property and in the Mer Bleue.
11, S. papillosum, Lindb. ‘

Abundant in the open parts of the Mer Bleue.
12. S. medium, Limpr. Var. purpurascens, Russ.

This species has been taken for a red or purplish variety of No.
10, but it is considered quite distinct. Abundant in the Mer Bleue.

II. EPHEMERUM. Hampe.

13. E. minutissimum, Lindb.

Abundant on the indundated ground on both sides of the dis-
charge from Leamy’s Lake, near Hull, Que. Sept. 16th, 889. Fruiting.

III. ARCHIDIUM, Brid.

14. A. ohioense, Sulliv.

On inundated soil along the outlet of Leamy’s Lake, Hull, Que.
Fruiting in September.

IV. GYMNOSTOMUM, Hedw.

15. G. curvirostum, Hedw.

Under wet ledges along the Ottawa at Rockliffe, near the old mill,
Nov. 9th, 1896 ; also on wet rocks, Kingsmere, near Chelsea, Que.
Fruiting in summer.

16. G, rupestre, Schw.

On wet limestone ledges at the east side of Rockcliffe, near the
old mill, May 7th, 1896.

V. WEISSIA, Hedw.

17. W, viridula, Brid.

On earth in woods east of Leamy’s Lake, Que. ; collected on earth
along the cliff, Rockcliffe Park,» April 22nd, 1896. Fruiting in
September.

VI. CYNODONTIUM, Schimp.
18. C. Wahlenbergii (Brid.)

On dead and decaying logs in woods near Leamy’s Lake, Hull,
Que. ; at Meeche’s Lake, north of Chelsea, Que., Sept. 23rd, 1893.

VII. DICRANELLA, Schimp.
19. D. varia, Schimp.
On springy or wet clay banks. Fruiting in September. Sides of

1897] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 5

ditches along the railway on the Experimental Farm ; also along the
Parry Sound Railway west of Hintonburg ; on the sides of the dis-
charge of Leamy’s Lake, near Hull, Que. ; ina C.A. Ry. cutting at
Moose Creek. Sept. 6th, 1889.

20. D. heteromalla, Schimp.

Common in sandy woods or on the roots of turned-up trees and
by roadside banks. Fruiting in summer. Woods at Ironsides and
‘Chelsea, Que. ; also at Casselman and Carleton Place ; in woods at
West End Park, Ottawa ; in McKay’s Woods. Sept. rath, 1889.

VIII. DICRANUM, Hedw.

21. D. montanum, Hedvw,

On decaying logs, and stumps and bases of standing trees in
woods. Does not fruit at Oitawa. On the bases of trees at Leamy’s
Lake, Hull, Que. ; on stumps on “Pine Hill,” Rockcliffe Park, April
14th, 1896.

22. D. fulvum, Hook.

On boulders in woods. Not rare in McKay’s woods, but seldom
fruiting ; on boulders ‘‘ Pine Hill,” Rockcliffe Park ; on rocks, Aylmer
Road west of Hull, Que. October reth, 1891.

23. D. viride, Schimp.
On the bases of growing trees ; always barren. Quite common in

McKay’s Bush and Beechwood Cemetery ; in woods at Buckingham,
Que., May 14th, 1896.
24. D. flagellare, Hedw.

On decaying logs in damp or shady woods. Fruiting in spring.

Meeche’s Lake and Chelsea, Que. ; on ‘“ Pine Hill,” Rockcliffe Park.
April 28th, 1896.

25. D. scoparium, Hedw.

Very common on earth in all woods around Ottawa. Rockcliffe
Park, April 22nd, 1897.

26. D. scopariiforme, Kindb.

Intermediate between 1. scopartum, Hedw. and D. fuscescens,
Turn. Dicecious. Leaves greenish-yellow, flexuous, lanceolate, subulate
with a short and flat subula ; margin nearly flat or slightly incurved,
densely and sharply serrate to one-third ; cell-walls rarely interrupted
by pores ; upper cells oblong-oval, lower not much nairower, inner
basal light brown ; costa thick, percurrent, with two serrate ridges
at the back in the upper part. Capsule curved, not striate ; pedicel
red, and short.

6 THE OTTAWA NATURALIST. [October

On earth and logs in damper woods than the preceding species.
Damp and wet logs in the swamp north of Beechwood Cemetery ; on
rocks Meeche’s Lake, near Chelsea, Que. Sept. 23rd, 1893.

27. D. fuscescens, Turn.

On old logs in Dow’s Swamp ; at Chelsea and Kingsmere, Que.
Fruiting on old logs near Leamy’s Lake, Hull, Que. Sept. 6th, 1889.
28. D. Bonjeani, DeNot.

On earth in Dow’s Swamp ; in wet woods along the borders ot the
Mer Bleue. Aug. 26th, 1889. Barren.

29. D. undulatum, Turn.

Common in cool damp woods on earth. Stewart’s Bush, Dow’s
Swamp, Mer Bleue, and McKay’s Woods ; on the cliffs, Rockcliffe Park,
April 22nd, 1896. Fruiting in summer.

30. D. spurium, Hedw.

On Laurentian rocks on Gilmour’s Island, Chelsea, Que. May
22nd, 1892. Barren.

IX. FISSIDENS, Hedw.

31. F. bryoides, Hedw.

On earth in woods between St. Patrick’s Bridge and Beechwood
Cemetery, east of the road ; on earth in woods Leamy’s Lake, Hull, Que.
Oct. 16th, 1889. Fruiting.

32. F. minutulus, Sulliv.

On stones in the channel of the small brook entering McKay’s
Lake near Beechwood Cemetery, Oct. 12th, 1884. Fruiting.

33. F. pusillus, Wils.

Abundant on damp, flat, limestone rocks in McKay’s Woods,
south-west of the lake. Oct. rath, 1884. Fruiting.

34. F. osmundoides, Hedw.

On earth on turned-up trees in Dow’s Swamp ; on roots of trees in
woods at Leamy’s Lake, Hull, Que. ; on roots of trees in old woods at
Carleton Place. May 31st, 1884.

35. F. decipiens, DeNot.

Very abundant on turned-up roots and old stumps in Dow’s
Swamp ; on earth in woods at Leamy’s Lake, Hull, Que. ; also in
McKay’s Bush near the lake ; collected on damp rocks, Rockcliffe
Park, April 22nd, 1896.

1897] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 7

X. LEUCOBRYUM, Hampe.

36. L. vulgare, Hampe.

On earth in damp woods north of Beechwood Cemetery : also in
woods on “ Long Point,” Mer Bleue ; on the banks of the Lievre River
at Buckingham, Que, May 14th, 1896. Seldom fruiting.

XI. CERATODON, Brid,
37. C. purpureus, Brid.

Very common everywhere in pasture fields, by roadsides, on old
fences and roofs of houses. Our commonest moss, and found in all
parts of the habitable earth. Fruiting in early spring. \With mature
fruit, May tath, 1896.

XII. SELIGERIA, Bruch and Schimp.

38. S. campylopoda, Kindb.

Agrees with Seligerta recurvata in the shape of the capsule and
the arcuate pediel, but differs considerably in the leaves being broader,
very much shorter, sublinear, obtuse, rarely short-acuminate and sub-
acute. and the costa not excurrent, the perichetial leaves ovate-oblong,
thin-costate, the peristome darker red. The male flower is fixed on the
side of the female.

Under damp overhanging limestone rocks near the upper part of
the Beaver Meadow, on the eastside, west of Hull. Que. April 26th,
1891. Fruit nearly full grown.

39. S. recurvata, Bruch. and Schimp.

On large boulders by the roadside leading from the end of the
Electric Railway eastward towards the old mill, Rockchffe Park. May
7th, 1896. Fruit ripe.

XIII. DIDYMODON, Hedw.

D. rubellus, Bruch. and Schimp.

On damp limestone ledges near McKay’s Lake ; also on ledges at
Leamy’s Lake, Hull ; Chelsea and Meeche’s Lake, Que. ; on damp
limestone rocks Rockcliffe Park. April 22nd, 1896. Fruiting.

XIV. LEPTOTRICHUM, Hamipe.

4t. L. tortile, C. Muell.

Roadside near the Mer Bleue ; at Eastman’s Springs, Sept. goth,
1892 ; on an old road in woods at the end of the Electric Road, Rock-
cliffe Park.

8 THE OTTAWA NATURALIST. [October

42. L. glaucescens, Hampe,

On calcareous earth in crevices of rocks along lakes and rivers.
Along the outlet of Leamy’s Lake, south side ; at Kirk’s Ferry and
Meeche’s Lake ; on the cliffs facing the Ottawa, Rockcliffe Park.
April 22nd, 1896.

XV. BARBULA, Hedw.

43. B. brevirostris, Bruch. and Schimp. (?)

On large boulders, growing with Se//geria recurvata along the road
leading east from the end of the Electric Road at Rockcliffe Park, May
7th, 1896. Fruiting.

44. B. tortuosa, Web. and Mohr.

On rocks near McKay’s Lake and around the cliffs, Rockcliffe
Park ; on “ Pine Hill,” Rockcliffe Park, April 16th, 1896 ; on rocks
Meeche’s Lake near Chelsea, Que., Sept. 23rd, 1893.

45. B. unguiculata, Hedw.

Very common, some years, on old roads and streets in and around
Ottawa. Mackenzie Ave., Oct. rz2th 1896 ; on limestone rocks by the
Ottawa, Rockcliffe Park.

46. B. convoluta, Hedw,

Quite common in pastures, growing with Ceratodon purpureus,
known by its yed/ow pedicels. By roadsides and in pastures at the
Experimental Farm and north-west to Hintonburg ; also by the C.P.Ry.
at Carleton Place ; on earth in pastures at Rockcliffe Park, May 12th,
1896. Fruiting early in spring.

47. B. ruralis, Hedw.

Generally found on limestone shingle or gravelly ridges. Rock-
cliffe Park near Governor’s Bay ; at Britannia and along the railway at
Carleton Place. LParren.

XVI. GRIMMIA.

48. G. apocarpa, Hedw.

On boulders everywhere around Ottawa ; especially in McKay’s
Woods ; at Meeche’s Lake and Chelsea, Que. ; at Carleton Place, and
Stittsville ; on “ Pine Hill,” Rockcliffe Park, April 14th, 1896. Fruiting
abundantly late in autumn.

XVIT. HEDWIGIA, Ebrh.
49. H. ciliata, Ehrh.

Quite common on boulders, McKay’s Woods, and other places

1897] MACOUN—CRYPTOGAMIC FLORA OF OTTAWA. 9

around Ottawa ; on boulders ‘ Pine Hill,” Rockcliffe Park, April 16th,
1896. Fruiting.

Var. viridis, Schimp.

On boulders in shady woods quite common at Ottawa ; Oct. 12th,
1884.

Var. subnuda, Kindb.

Leaves nearly hairless, the greater number broadly ovate, borders
reflexed ; cells larger, subquadrate.

On boulders in McKay’s Woods near the lake, April 28th, 1896.
Fruiting.

XV{II. ULOTA, Mohr.

50. U. Ludwigii, Brid.

On trees along the creek in Beaver Meadow north of the toll-gate
on the Aylmer Road ; very rare on “ Pine Hill,” Rockcliffe Park.
May 7th, 1896.

51. U. crispa, Brid.

On cedar trees in Dow’s Swamp; and on spruce trees along the
Beaver Meadow Creek west of Hull, Que. ; on spruce trees in Rock-
cliffe Park near Governor’s Bay, April 22nd, 1396.

52. U. camptopoda, Kindb.

Stem not creeping. Leaves, when dry crisped, when moist patent,
or squarrose, often curved, faintly papillose, from a short dilated ventri-
cose base, suddenly narrowed into the acute or subulate acumen,
borders recurved at the base, and also often above on one side ; outer
basal cells, disposed in 2-5 rows, quadrate-rectangular thick-walled ;
inner narrow, orange, upper rotundate ; costa elevate, stout percurrent.
Capsule small, long-necked, when dry faintly plicate, narrow, sub-
cylindric and not constricted below the mouth, obovate when moist ;
teeth bigerminate, pale, when dry recurved ; cilia none ; lid long-
apiculate ; pedicel long, but not much emergent, flexible, more or less
curved or geniculate, in young as well as in the dry state ; calyptra
densely hairy, covering the capsule.

Habit of @ crispula. Agrees with U. maritima in the curved
pedicel ; differs from U. Ludwigtt in the narrower capsule. Growing
together with U. Ludwigii on trees along the l'eaver Meadow Creek
west of Hull, Que. ; also on the pales on the south-west corner of the
Cemetery west of Hull on the Aylmer Road, Que. ; April 26th, 1891.

53. U. connectens, Kindb.

Monecious. Tufts soft, pulvinate, green above ; blackish below.
Stems erect. Leaves, from an ovate concave base, linear-lanceolate,

10 THE OTTAWA NATURALIST. [October

when dry very much crisped, when moist subarcuate, short attenuate
to the acute apex ; bo:ders revolute above the base, for the greater
part, at least on one side, distinctly papillose, also at the back ; cells at
basal wings sub-quadrate hyaline with incrassate transverse walls, those
next the, costa narrower, rectangular, in straight rows, the lowest orange ;
costa pale, sub-percurrent. Male flower at the side of the female. Inner
perigonial leaves broad, short-ovate, obtusate or suddenly short-acum-
inate ; cells round only in the acumen, the others narrow, the lower
basal wider and yellow ; antheridia about 9, with several paraphyses,
Perichetial leaves with sublinear basal cells. Capsule dark-brown short
subovoid, not contracted at the mouth, costate ; pedicel short, scarcely
emergent. Calyptra densely hairy.

This species is a true U/ofa, although the revolute leaf-borders, the
distinctly papillose cells and short pedicellate capsule are more like an
Orthotrichum,

Oa cedar trees (Thuya occidentalis) in Dow's Swamp, September
16th, 1886.

Both the preceding species are believed to be forms of U. crispa
by Mrs. E. G. Britton, who has made a special study of the genus. _

XIX. ORTHOTRICHUM, -Hedw.

54. O. anomalum, Hedw.

On rocks and ledges along the Ottawa at Governor’s Bay, Rock-
cliffe Park ; also on ledges near McKay’s Lake, in ‘fruit April 22nd,
.1896. Fruiting.

55. O. speciosum, Nees.

Common on balsam fir, cedar and spruce trees in the woods east
of Beaver Meadow west of Hull, Que. ; also on spruce trees in Rock-
cliffe Park ; collected on trees and fence rails near Hintonburg, April
13th, 1896. Fruiting.

56. O. sordidum, Sulliv. and Lesq.

Common on beech trees in woods near Ironsides, Que. ; collected
on trees in Rockcliffe Park and Beechwood Cemetery, April 22nd,
1896. Fruiting.

57. O Ohioense, Sulliv. and Lesq.

On trunks in woods near Leamy’s Lake, Hull, Que. ; old fence rails
at Carleton Place ; collected on trees in woods near Governor’s Bay,
Rockcliffe, Park,’April 22nd, 1896. Fruiting.

58. O. Canadense, Bruch and Schimp,

This species appears in Part VI under 0. Schimperi but was dis-
covered by Mrs. E.G. Britton when monographing the genus some

1897] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. II

years since. It is apparently very rare as its occurrence in America was
doubted when Lesq. and James’ work on the mosses appeared in 1884.
On rocks at the corner of Rockcliffe Park close to Governor’s
Bay. October 12th, 1884.

59. O. cupulatum, Hoffm.

On limestone rocks along’ the cliffs facing the Ottawa near
Governor’s Bay, Rockcliffe Park. April 16th, 1891.

6o' O. strangulatum, Beauv.

On trunks and fences around Ottawa ; woods at Ironsides, Chelsea
and near Leamy’s Lake, Que. ; also in McKay’s.Woods and in Beech-
wood Cemetery ; collected on trees in Rockcliffe Park, April 22nd, 1896.

61. O. psilothecium, C. M. and Kindb.

Plants small, 1 cm. long or less, green J.eaves short ublong-
lanceolate, obtusate or short-acuminate, sub-obtuse, revolute at the
borders to the greater part, faintly papillose ; costa percurrent, Capsule
small, immersed, oblong, not striate before, sporosis, very short-necked;
vaginula naked ; calyptra slightly hairy at the blackish apex, finally
glabrous and Jight-brown, narrow, covering the whole capsule ; lid ros-
tellate. Male. flowers on.distinct branches. _ ’

This species has the, habit of O. fallax, Schimp. (O. Schimpert,
Hamm.) We have not been able to examine the peristome and the
stomata of the capsule, because only one capsule (in our specimen) is
nearly ripe, the others are quite unripe.

On old fences in Rockcliffe Park ; on cedar rails along the Rich-
mond Road, near Hintonburg ; collected on old fences at Carleton
Place, Aug. 26th, 1889. .

62. O. obtusifolium, Schrad.

On old cedar rails and trunks of balsam poplar ; on rails in
McKay’s. Bush ; on poplar trees along the Gatineau River, near
Leamy’s Lake, Hull, Que. ; collected on poplar trees near Hinton-
burg, April 18th 1896.

XX. ENCALYPTA, Schreb.

63. E. vulgaris, Hedw.
On limestone ledges, on the south side of the outlet of Leamy’s
Lake, near the Hull Cemetery, Que., Oct. 11th, 1890.
64. E. Macounii, Austin.

In crevices of limestone rocks around the whole cliff facing the
Ottawa in -Rockcliffe Park, April 22nd, 1896 ; crevices of rocks along
the Gatineau at Kirk’s Ferry, Que. Fruiting.

12 THE OTTawa NATURALIST. [October

65. E. streptocarpa, Hedw.

On limestone rocks at the outlet of Leamy’s Lake, Heat Hull
Cemetery,Que., Sept. 6th, 1889 ; on the cliffs at Governor’s Bay,
Rockcliffe Park. Barren.

XXI. TETRAPHIS, Hedw.

66. T. pellucida, Hedw.

On the bases of stumps and dead logs (chiefly pine and cedar), in
all swamps and wet woods around Ottawa On old stumps in Dow’s
Swamp, and on Cowley’s Farm, near Hintonburg ; collected April 18th,
1896. Fruiting:

XXII. PHYSCOMITRIUM, Brid.

67. P. immersum, Sulliv.

On inundated alluvial soil (in small tufts) along the outlet of
Leamy’s Lake, near Hull, Que. Sept. 16th, 1889. Fruiting.

68. P. platyphyllum, Kindb.

Lower leaves sublingulate, yellow-margined, serrate all round, with
a percurrent costa ; the upper very broad, ovate-acuminate ; indistinctly
margined, serrate above the middle, costa percurrent or short excurrent ;
cells wide sub-hexagonal,the basal sub-rectangular, all hyaline. Calyptra
mitriform. Capsule pyriforme ; lid mammillate ; pedicel (unripe)
yellow, about 1 cm. long, or shorter.

Since this description was published Mrs. E. G. Britton has
examined the specimen and pronounces it FP. ¢urbinatum, Muell.
Better specimens are wanted to settle the question, but houses and
lawns and asphalt cover where it was found by Dr. Fletcher many
years ago.

On earth at the southern end of Metcalfe Street, Ottawa.

XXIII. FUNARIA, Schreb.

69. F. hygrometrica, Sibth.

Very common on old walls and especially on burnt soil in damp
woods and on old turned-up roots in swamps. Common around
Ottawa and at Carleton Place. .

XXIV. BARTRAMIA, Hedw.

7o. B. Gderiana, Swartz.

On rocks east of the Beaver Meadow, west of Hull; on damp
rocks, Chelsea and Kingsmere, Que. ; on limestone rocks near McKay’s
Lake ; collected on the cliffs by the Ottawa, Rockcliffe Park, April
22nd, 1896. Fruiting.

1897] MAcoUN—CRYPTOGAMIC FLORA OF OTTAWA. 13

71. B. pomiformis, Hedw.

Crevices of damp and dripping rocks near Gilmour’s Mill, Chelsea,
Que. ; collected on damp limestone ledges on the cliffs facing Gatineau
Point, Rockcliffe Park, April 22nd, 1896. Fruiting.

XXV. PHILONOTIS, Brid.

72. P. fontana, Brid.
By springs at Kingsmere, and Kirk’s Ferry, Que.

XXVI, LEPTOBRYUM, Schimp.

73. L. pyriforme, Schimp.
Rather common on burnt soil in swamps and along ditches. Cas-

selman and Carleton Place ; border of Dow’s Swamp, Oct. 12th, 1884.

XXVIII. WEBERA, Hedw.

74. W. nutans, Hedw.

On rotten logs and stumps in swamps and wet woods ; common,
Dow’s Swamp, Kingsmere and Casselman ; common in McKay’s Bush ;
collected on old logs in Beechwood Cemetery, May 12th, 1896. Fruit-
ing. Mer Bleue June rsth, 1892.

75. W. albicans, Schimp.

On wet limestone rocks. under the cliffs at the end of the Electric
Road, Rockcliffe Park. Nov. oth, 1896.

XXVIII. BRYUM, Dill.

76. B, pendulum, Schimp.

On wet earth at Ottawa ; woods north of Beechwood Cemetery,
October zoth, 1884.

4 THE OTTAWA NATURALIST. [December

77- B. bimum, Schreb,

Common in wet woods and swamps. Borders of the Mer Bleue,
June rsth, 1892.

78. B. intermedium, Brid.

Crevices of damp rocks and old walls. In the old quarry in Rock-
cliffe Park and along the cliffs by the Ottawa. May rath, 1896.

79. B. argenteum, Linn.

Very common on roadsides and on desiccated soil in old pastures
and waste places. On earth along St. Louis Dam, October 24th,
1884.

80. B. czspiticium, Linn.

On earth in pasture fields and open thickets ; open places in Rock-
cliffe Park, May 7th, 1896; in old pastures near Hintonburg, Oct.
4th, 1884.

81. B. capillare, Linn. Var. heteroneuron, C. M. & Kindb.
On roots of trees in McKay’s Bush near the lake, May 24th, 1888,

82. B. Duvalii, Voit.

In ditches and on wet rocks. In a springy place at the end of the
Electric Railway, Rockcliffe Park.

83. B. pseudo-triquetrum, Schweger.

In wet woods and swamps. Swamp north of Beechwood Cemetery ;
also in Dow’s Swamp.

84. B. Ontariense Kindb.

Intermediate between B. voseum and B. Beyrichid (Hsch.), C.
Mueller. Comal Jeaves very numerous ; lingulate, abruptly and short
acuminate, revolute to 34 or 34, yellow-margined above with great con-
fluent teeth ; costa stout, excurrent. Capsule pale, with a distinct,
curved collum half as long, teeth papillose and hyaline above ; arche-
gonia numerous ; lid convex short-apiculate, not oblique.

Hitherto confounded with B. roseum, and quite common through-
out Ontario ; generally in a barren state. On old logs and some-
times on limestone rocks in maple woods around Ottawa. Beechwood
Cemetery, Rockcliffe Park, Carleton Place and Eastman’s Springs ; on
logs in NDow’s Swamp, October roth, 18809.

85. B. Laweri, Ren. and Cardt.

On rocks opposite the island in the Gatineau River, Gilmour’s
Park, Chelsea Que., Sept, 9th, 1889.

1897] MacouN—CRYPTOOAMIC FLORA OF OTTAWA. 15

XXIX. MNIUM, Linn.
86. M. cuspidatum, Hedw.

* Quite common on earth at the roots of trees in -dry woods. On
earth in woods Patterson’s Creek, Stewart’s Bush, Carleton Place,
and Beechwood Cemetery ; on earth in Rockcliffe Park, April 28th,
1896.

87. M. rostratum, Schweegr.

On a large boulder on “Pine Hill,” Rockcliffe Park, April 16th,
1896. Barren.
88. M. Drummondi, Br. and Sch.

In damp or swampy woods, near High Rock, Liévre River, above
Buckingham, Que., May 19th, 1884.
89. M. affine, Bland.

On earth in swamps and along brooks. On roots of trees along
the brook west of West End Park, October roth, 1884.
go M. rugicum, Laur.

Rather common, growing in the wettest part of Dow’s Swamp.
Sept. 16th, 1889.
91. M orthorrhynchum, Br. and Sch. |

On damp limestone rocks near McKay’s Lake, Aug. 26th and
Oct. rath, 1889.
92 M. pseudo-lycopodiodes, C. Muell.

On the bases of trees in cedar and black ash swamps. In Dow’s
Swamp and at Casselman ; in the swamp north of Beechwood Cemetery,
May 7th, 1896. Fruiting ; on rocks in a brook, Meeche’s Lake, near
Chelsea, Que., Sept. 23rd, 1893.

93. M. inclinatum, Lindb.

On old stumps in Dow’s Swamp ; on damp limestone rocks along
McKay’s Lake, April 22nd, 1896 ; old fruit. Old stumps in Dow’s
Swamp, Sept. 16th, 1589.

94. M. spinulosum, Br. and Sch.

On earth at the bases of trees, chiefly hemlocks. Wet woods north
of Beechwood Cemetery ; woods near Carleton Place ; on the bank of
the Liévre River at Buckingham, Que., May 14th, 1896. Fruiting.

95. M. stellare, Hedw.

On old stumps in cedar swamps. In Dow’s Swamp, May 2nd,
1896. Old fruit. ; :

16 THE OTTAWA NATURALIST. [December

96. M. punctatum, Hedw.

On earth in cedar swamps and along small brooks in woods. In
Dow’s Swamp ; also by a brook near Meeche’s Lake, north of Chelsea,
Que., Sept. 23rd, 1893.

XXX. AULACOMNIUM, Schweegr.

97. A. palustre, Schw.
‘Very common in swamps. Mer Bleue and at Casselman.

XXXI. TIMMIA, Hedw.

98. T. megapolitina, Hedw.

On roots of trees by brooks in wet woods and on wet rocks. On
roots of trees in Dow’s Swamp, May 2nd, 1896, by a brook west of
West End Park ; and on wet rocks south end of McKay’s Lake, Oct.
16th, 1884.

XXXII. ATRICHUM, Beauv.

99. A. undulatum, Beauv.

On damp sandy earth in cool woods and wet sandy pastures.
Common in McKay’s Woods, Beechwood Cemetery, Mer Bleue and
Casselman ; woods rear of Cowley’s Farm, Hintonburg, April 18th,
1896. Fruit old.

XXXITI. POGONATUM, Beauv.

too. P, brevicaule, Beauv.

Along a ditch cut along the road leading through West Casselman.
May rath, 1891.

1o1. P. alpinum, Reehl.

; On damp sandy slopes and amongst rocks east side of Rideay
. River, near Hog’s Back, May 7th, 1897.
XXXIV. POLYTRICHUM, Linn.
102. P. gracile, Menz.

Not uncommon in the Mer Bleue, near Eastm

an’s Spri :
15th, 1891. ns panes June

103. P. Ohioense, Ren. and Card.

On earth in woods near Casselman, east of the Nation River. May
16th, 1891,

1897] MAcoUN—CRYPTOGAMIC FLORA OF OTTAWA. 17

104. P. juniperinum, Willd.
In old pastures and on old pine stumps in fields and by roadsides ;

quite common. At the base of stumps north of Beechwood Cemetery,
May rath 1896.

105. P. commune, Linn. Var. Canadense, Kindb.

Differs principally in the low stem, about 6-8 cm. high, the pedicel
not much longer, the blackish capsule much shorter than in the type
which probably is very rare in Canada and only once examined by
Kindberg.

In wet places at Britannia, Oct.11th, 1892 ; also in hollows in the
pine woods by the lake, east of Aylmer, Que., Sept. 11th, 1892 ; wet
pastures at Casselman, June rath, 1892.

XXXV. BUXBAUMIA, Hall.
106. B. aphylla, Linn.

On rocks at Chelsea, eight miles from Ottawa, Que. (Dr.
Fletcher.)
XXXVI. FONTINALIS, Dill.

107. F, antipyretica, |.inn.

On stones in the brook running through the Beaver Meadow
west of ELull.
XXXVII. DICHELYMA, Myrin.

108. D. pallescens, Bruch and Schimp.

On the bases of trees and twigs in water-holes near St. Patrick’s
Bridge ; also very abundantly in the woods subject to spring floods
around Leamy’s Lake, Hull, Que., Nov. 9th, 1896. Fruiting.

XXXIX. NECKERA, Hedw.
tog. N, pennata, Hedw.

Quite common on trunks in swamps or wet woods around Ottawa.
On trunks north of Beechwood Cemetery, also in Dow’s Swamp : on
trunks ‘“ Pine Hill,” Rocxcliffe Park, April 16th, 1896.

t1o. N. oligocarpa, Bruch and Schimp.

On ledges of limestone rocks opposite Gatineau Point, Rockcliffe
Park, May 7th, 1896.
XL. LEUCODON, Schwegr.

rrr. L. sciuroides, Schwegr.

Common on trunks in all old woods. Dow’s Swamp, Carleton
Place, Eastman’s Springs and Casselman ; in McKay’s Woods, May
7th, 1896. Barren.

18 THE OTTAWA NATURALIST. [December

XLI. HOMALIA, Brid.
112. H. Macounii, C. M. and Kindb.

I. trichomanoides, Lesq. and James Mosses of N. America, 245.
Very nearly allied to Homalia trichomanoides ; differs in the leaves being
longer, rather lingulate, the lowest basal cells yellow, the perichetial
leaves more suddenly narrowed to the very short acumen, the segments
of the peristome cleft between the articulations.

On the bases of trees on the south end of Cowley’s Farm, west of
Hintonburg ; on limestone rocks east end of McKay’s Lake ; on the
cliffs facing Gatineau Point, Rockcliffe Park, May 7th, 1896.

XLII. MYURELLA, Bruch and Schimp.

113. M. julacea, Bruch and Schimp.

On old stumps in cedar swamps. In the swamp north of the
Experimental Farm ; also in Dow’s Swamp.
114. M. Careyana, Sulliv.

On ledges of limestone rocks, east of the creek in the Beaver
Meadow west of Hull, Que. ; crevices of wet limestone rocks at the
north end of Rockcliffe Park near the old mill, May 7th, 1896 ; on
rocks at Meeche’s Lake, Sept. 23rd, 1893.

XLIITI. LESKEA, Hedw.
115. L. polycarpa, Ehrh.
Very abundant on the bases of trees in the inundated flats between
Ieamy’s Lake and the mouth of the Gatineau River. Nov. gth, 1896.

116. L. nervosa, Myrin.

On trunks in McKay’s woods; on boulders at the east end of
Rockcliffe Park, near the old saw mill, May 7th, 1896 ; also at Carleton
Place.

XLIV. ANOMODON, Hook. and Tayl.
117. A, rostratus, Schimp.

Very common on the roots of trees in swamps and on the faces of
perpendicular, damp rocks. Seldom fruiting. On rocks in Rockcliffe
Park, April 22nd, 1896.

118, A. attenuatus, Heuben.

Quite common on the bases of trees in black ash swamps and wet
woods. Fruiting abundantly in the autumn, On trees in Rockcliffe
Park, April 16th, 1896.

1897] MAcoUN—CRYPTOGAMIC FLORA OF OTTAWA. 19

11g. A. obtusifolius, Br. and Sch.

Abundant on the bases of trees in black ash swamps and wet
woods around Ottawa. Fruiting in the autumn. On trunks south end
of Cowley’s Farm, near Hintonburg, April 18th, 1896.

120. A. apiculatus, Bruch and Schimp.

On decaying logs and flat limestone rocks in McKay’s Woods, op-
posite the entrance to Beechwood Cemetery ; on limestone rocks,
Rockcliffe Park, April 22nd, 1896.

121. A. viticulosus, Hook. and Tay.

Very common on limestone rocks near McKay's Lake and along
the Ottawa west of Hull, and on damp ledges in woods along the
Beaver Meadow west of Hull, Que. ; on damp rocks facing the river,
Rockcliffe Park, April 22nd, 1896.

122. A. heteroideus, Kindb.

Plants densely tufted, green, finally fuscescent or blackish. Stem
crecping, subpinnate, much branching and furnished with numerous
small, flagelliform branchlets, densely beset with very small, oblong,
obtise and nerveless leaves ; paraphyllia broad. Stem-leaves sub-
distant, decurrent, appressed when dry, open-erect when moist, from a
broadly ovate base suddenly narrowed to a long, subulate or sublinear
acumen, entire, faintly papillose ; margins revolute at the base ; branch-
leaves more attenuate ; cells round-oval, the marginal of the base quad-
rate ; costa vanishing below the acumen. Dicecious. Fruiting specimens
not found. This species resembles Leskea nervosa in habit.

On flat limestone rocks and the roots of trees in McKay’s Woods,
opposite the entrance to Beechwood Cemetery ; on limestone rocks at
Meeche’s Lake, near Chelsea, Que., Sept. 23rd, 1893.

XLV. PLATYGYRIUM, Bruch and Schimp.
123. P. repens, Bruch and Schimp.

On old logs in woods at Eastman’s Springs, Casselman and Car-
leton Place ; on old logs in woods north of Beechwood, May 7th, 1896.

Var. orthoclados, Kindb.

Branches elongate and not curved. All basal leave-cells orange.
Segments linear, not completely free at base, smooth or denticulate at
one side, not shorter than the teeth.

On old logs at the south end of Skead’s Farm, west of Hinton-
burg, May 35th, 1885.

20 THE OTTAWA NATURALIST. [December

XLVI. PYLAISIA, Bruch and Schimp.

124. P, polyantha, Bruch and Schimp.

On rotten logs at Carleton Place ; on trees in McKay’s Woods,
Oct. 12th, 1884.

125. P. Selwynii, Kindb. Ott. Nat. II., 156.

Differs from P. ¢vtzccata in the denser, darker green tufts, the leaves
broader, short-acuminate, reflexed to the acumen at one border or at
both, the short alar and marginal cells more numerous, the capsule
short-oval, the segments adhering to two-thirds of the teeth.

Very abundant on old cedar fences along the Richmond Road,
three miles west of Ottawa ; also on fences west of Hintonburg, April
18th, 1896. Mr. A. J. Grout reduces this species to P. énzricata, and
believes it to be merely a more compact form.

126. P. intricata, Bruch and Schimp.

Common on logs and trunks, in woods and on old cedar rails
around Ottawa ; on fence rails and trunks and branches in Rockcliffe
Park, April 28th, 1896.

127. P. velutina, Bruch and Schimp.
On old logs in Dow’s Swamp, Sept. 25th, 1889.

XLVIT. ENTODON, C. Mueller.
128. E. acicularis, C. M. and Kindb.

Tufts compact, brown-yellow or variegate with green. Stems much
divided, very radiculose ; branches very short and turgid, not attenuate
Leaves imbricate, with difficulty loosed from the stem, scarcely open
when moist, finally golden-yellow, from the ovate-oblong base suddenly
narrowed to a fine aciculiform or subulate point, denticulate nearly all
around ; cells not chlorophyllose, linear-lanceolate or fusiform, the alar
not well defined ; costa generally wanting. Barren.

On limestone rocks in woods near McKay’s Lake, May and, 1885 ;
also by an old lime-kiln at Britannia, Oct. 11th, 1890,

In a late revision of the genus Mr. A. J. Grout has reduced this
species also to a form of the next.

129. E. cladorrhizans, (Hedw.)

On old logs in Rockcliffe Park and McKay’s Woods, April 16th.
1896 ; on stones and logs at Britannia ; and very abundant on old logs
in woods at Carleton Place. Fruiting abundantly in autumn.

XLVIII. CLIMACIUM, Web. and Mohr.
130. C. Americanum, Brid.

On the ground in swamps about wet woods around Ottawa. Sel-
dom fruiting, but frequent in woods along the Beaver Meadow, Hull-

1897] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 21

Que. ; on earth in the swamp north of Beechwood Cemetery, May
1885.
131. ©. dencroides, Web. and Mohr.
In a swamps on the east side of the Beaver Meadow west of FLull,
near the north end, Oct. 24th, 1891. Fruiting abundantly.
XLIX. PTEROGONIUM, Swartz.

132. P. brachypterum, Mitten.

On a small maple trunk in a piece of woods along the west side of
McKay’s Lake. Fruiting. April 28th, 1896. This determination is
doubtful.

L. THUIDIUM, Schimp.

133. T. minutulum, Bruch and Schimp.

On old logs in McKay’s Woods ; also in woods at Ironsides ; on
stumps and rocks, Rockcliffe Park, April 22nd, 1896.
134. T. scitum, Aust.

On beech trunks in McKay’s Woods ; on beech trees on the south
end of Cowley’s Farm, west of Hintonburg, April 18th, 1896.
135. T. gracile, Bruch and Schimp.

On old logs in woods at King’s Mountain, near Chelsea, Que. ;
abundant on rotten logs at Leamy’s Lake, near Hull, Que., Nov. oth, _
1896. Fruiting.

136. T. recognitum, (Hedw.) Lindb.

On old logs around the Mer Bleue ; in Dow’s Swamp and in a-
swamp at Stittsville ; on rotten wood, “ Pine Hill,” Rockcliffe Park,
April 16th, 1896,

137. T. delicatulum, Mitt.

On earth in the Mer Bleue and in the swamp north of Beechwood.
Cemetery ; on earth in Dow’s Swamp, May 2nd, 1896.
138. T. abietinum, Bruch. and Schimp.

Quite common on exposed limestone rocks at Carleton Place ; also.
abundant around the cliffs of Rockcliffe Park. April 22nd, 1896.
Always barren.

139. T. Blandovii, Bruch and Schimp.

In damp woods at Britannia ; in the Mer Bleue ; also on earth in
Dow’s Swamp.

22 THE OTTAWA NATURALIST. [December

LI. CAMPTOTHECIUM, Schimp.
140. C. nitens, Schimp.
Abundant in the Mer Bleue ; also in Dow’s Swamp, June 4th,

1884.
LII. BRACHYTHECIUM, Schimp.

141. B. laetum, Brid.

A common species on stones in woods around Ottawa; on
boulders in woods at the south end of Cowley’s Farm, west of Hinton-
burg, April 18th, 1896. Fruiting.

142. B. digastrum, C. M. and Kindb.

Tufts largely cohering, olive-green, not shining. Stem rigid, sub-
pinnate or irregularly branching, radiculose below ; branches sub
julaceus, obtusate. Stem-leaves when dry loosely appressed or sub-
imbricate, crowded, patent or subsecund when moist, decurrent, not
auricled, plicate, biventrose, ovate and short-acuminate with the acumen
flexuous or when dry serpentino-corrugate, borders more or less re-
curved but not reflxed, subentire or taintly denticulate above ; lower
basal cells wide and sub-rhombic, the alar rather quadrate-rectangular
and not very distinct, the upper conflate, small, very chlorophyllose, the
inner median sublinear, the others oblong-lanceolate ; costa thick and
subflexuous, long and vanishing near the acumen. Branch leaves
ovate-oblong, more distinctly revolute at the borders, denticulate at the
acumen and narrower areolate. Female flowers small, inner perichetial
leaves filiform-acuminate with the acumen arcuate, long-costate and
denticulate. Capsule asymmetric sub-cylindric, curved ; lid long-conic ;
pedicel smooth 1-2 cm. long. Peristomial teeth conic-connivent when
moist, dark red-brown below, very much longer than in the middle
open segments ; cilia nodulose not apendiculate, annulus none..
Monececious.. Habit of Leucodon julaceus.

On rocks in McKay’s Woods near south end of the lake, Oct.
12th, 1889. Fruiting.

143. B. acuminatum, (Beauv.)

On earth in McKay’s Woods between the old entrance to Beech-
wood Cemetery and the lake ; also on logs at Carleton Place.
144. B. salebrosum, Bruch and Schimp.

On stones in damp woods north of Beechwood Cemetery, Oct.
16th, 1884 ; on stones at the rear of Cowley’s Farm, west of Hinton-
burg, April 18th, 1896.

145. B. acutum, (Mitt.) Sulliv.

On earth in wet woods north of Beechwood Cemetery ; also in
damp woods along the Beaver Meadow west of Hull, Que., Oct. rath,
1891.

1897] MaAcoUN—CRYPTOGAMIC FLORA OF OTTAWA. 23

146. B. platycladum, C. M. and Kindb.

Tufts densely cohering, bright green, shining. Stem irregularly
branching ; branches short, obtuse, complanate. Leaves loosely imbri-
cate or patent, nearly flat, long-decurrent, distinctly auriculate, faintly
striate, broad, ovate, suddenly and generally short-acuminate ; borders
not recurved, faintly sinuolate or sub-entire below the middle, more dis-
tinctly denticulate above ; cells pale, the upper narrow, the lower near
the base dilated, the alar large and well defined ; costa short, reaching
little above the middle. Capsule sub-oval, faintly curved ; teeth dark-
yellow, entire at the borders ; cilia not appendiculate ; lid unknown ;
pediel rough, about 2 cm. long, or shorter. Perichetial leaves long,
fiiliform-acuminate, the point arcuate. Dicecious.

Differs trom 8B. rutabulum principally in the long-decurrent
auricled leaves and the dicecious inflorescense; from B. rzvulare in
the peristome, etc.

On stones in the bed and along the sides of a brook, north of the
Parry Sound Railway, west of West End Park, May 21st. 1885.

Mr. F. A. Grout, of Columbia College, New York, who has just
completed a monograph of Brachythecium, refers the above species to
B. rutabulum (L.) var, flavescens, Brid.

147. B. Donnellii, Aust.

On limestone rocks in McKay’s Woods, near the Lake, Sept. 25th,
1889.
148. B. velutinum, Bruch and Schimp.

On earth in Gilmour’s Park, Chelsea, Que., Sept. 9th, 1889; on
the bases of trees in Dow’s Swamp, May 2nd, 1896.

149. B. intricatum, Hedw. (New to America.)

On rocks by a trook near Meeche’s Lake, north of Chelsea, Que.
Sept. 23rd, 1893.
150. B. Starkii, Bruch and Schimp.

On stones in the brook north of the Parry Sound Railway and
west of West End Park; on the bases of trees along the Beaver Mea-
dow west of Hull, Que., Oct. 16th. 1884.

151. B. eedipodium, (Mitt.)

On old log’s in woods Gilmour’s Park, Chelsea, Que. Sept. oth,
1889 ; on rocks in woods west of Hull, Que., Oct. 20th, 1891; on
earth in Beechwcod Cemetery, Oct. 12th, 1889.

152. B. curtum, Lindb.
On stones in damp places McKay’s Woods, Oct. rath, 1889.

24 . THE OTTAWA NATURALIST. [December

153. B. reflexum, Bruch and Schimp.

On boulders along a brook near Meeche’s Lake, north of Chelsea,
Que., Sept. 23rd, 1893.
154. B. rivulare, Bruch and Schimp.

On stones and roots in springs north of Beechwood Cemetery,
Oct. rath, 1889.

155. B. populeum, Bruch and Schimp.

On rock’s in Gilmour’s Park, Chelsea,, Que. Sept. gth, 1889; on
rocks in McKay’s Woods, Oct. 12th, 1889; and on boulders ‘‘ Pine
Hill” Rockliffe Park, April 16th, 1896; on rocks at Meeche’s Lake,
north of Chelsea, Que. Sept. 23rd, 1893. .

156. B. plumosum, Bruch and Schimp.

On boulders in McKay’s Woods, May 28th, 1884; on rocks in

woods, Meeche’s Lake, north of Chelsea, Que. Sept. 23rd, 1893.
LIII. EURHYNCHIUM, Schimp.
157. E. strigosum, (Hoffm.) Bruch and Schimp.

On earth and stones in woods; common. In McKay’s Woods ;
on earth in Dow’s Swamp, May 2nd, 1896 ; on old logs in Beechwood
Cemetery, Oct. 12th, 1889 ; on earth in woods at Meeche’s Lake,Sept.
23rd, 1863.

158. E. Novae-Angliz, (Lesq. and James.)

On old logs in woods at Meeche’s Lake, Que. Sept. 23rd, 1893.
159. E. Sullivantii, (Spruce.) Lesq. and James.

On limestone rocks along the east side of the creek in the Beaver
Meadow west of Hull, Que. May 16th, 1885.

160. E. hians, (Hedw.) Lesq. and James.

On earth in woods near McKay’s Lake, Oct. rath, 1889. This.
specimen is still doubtful.

LIV. RAPHIDOSTEGIUM, Lesq. and James.
161. R. recurvans, (Schweegr.) Lesq. and James.

Very common on the bases of leaning trees in woods. Beech-
wood Cemetery and McKay’s Woods, April 28th, 1896 ; old woods at
Carleton Place.

LV. RHYNCHOSTEGIUM, Schimp.
162. R. deplanatum, Schimp.
On flat limestone rocks in McKay’s Woods, May 2nd, 1885 ; also

on flat rocks and earth Carleton Place Sept. 26th, 1889; on earth in
Peechwood Cemetery, Oct. rath, 1884.

1898] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 25

163. R. pseudo-serrulatum, Kindb.

Leaves ovate or ovate-oblong, minutely denticulate, s‘riate and
chlorophyllose, not or indistinctly decurrent ; cells lanceolate, the
lower shorter and more dilated ; costa thin,vanishing above the middle.
Stem leaves, short-acuminate or filiform-pointed ; branch-leaves with
short subulate sometitnes twisted point. Capsule arcuate ; lid apicu-
late ; pedicel rough very long. Stem subpinnate or irregularly divided.
Tufts dark green, faintly glossy, radiculose at the base. Moncecious.
Habit of &. serrulatum.

On earth and small stones in McKay’s Woods near the lake, Oct.
t2th, 1880,

164. R. serrulatum, (Hedw.)
On earth in McKay’s Woods, Sept. 6th, 1889.

165. R. rusciforme, (Weis.). Schimp.

Abundent on stones in the brook that discharges Kingsmere four.
miles west of Chelsea, Que., Sept. gth. 1889.

Var. inundatum, Kindb.

On rocks in the brook which discharges Kingsmere four miles
west of Chelsea, Que., Sept. 9th, 1889 ; on rocks in a brook discharg-
ing into Meeche’s Lake, north of Chelsea, Que., Sept. 23rd. 1893.

LVI. ‘TTHAMNIUM, Schimp.

166, T. Alleghaniense (C. Muell.) Bruch and Schimp.

In crevices of thick bedded timestone rocks near McKay’s Lake ;
under ledges along the cliffs Rocklifte Park, April 22nd, 1896.

LVII. PLAGIOTHECIUM, Schimp.

167. P. Passaicense, Aust.

On cedar stumps and trees in Dow’s Swainp, Sept. 6th, 1889.

26 THE OTTAWA NATURALIST. [February

168. P. turfaceum, Lindb.

Common on stumps in Dow’s Swamp,Oct. 20th, 1885 ; on stumps
at Carleton Place, May 30th, 1884: and on stumps “ Pine Hill,”
Rockliffe Park, April 16th, 1896; on stumps west of Hull, Que., Oct.
24th, 1884. :

169. P. denticulatum, (L.) Bruch and Schimp.

On the bases of trees at Britannia, Sept. 11th, 1890.; in the
swamp north of Beechwood Cemetery, Oct. rath, 1889; on stumps in
the Swamp along Bank street, on the Glebe property, April 27th, 1896;
on earth Eastman’s Springs, Aug. 26th, r&90; on base’of trees Carle-
ton Place, Oct. 30th, 1884.

170. P. sylraticum, Bruch and Schimp.

On earth in damp woods borders of Dow’s Swamp, Oct. 16th,
1884.; also in wet woods at Britannia, Sept. rath, 1891.

171. P. Sullivantiz, Schimp.

On earth on limestone ledges along the cliff north side of Rock-
life Park, May 7th, 1896; on earth at the roots of trees Meeche’s
Lake, north of Chelsea, Que., Sept. 23rd, 1893.

172. P, membranosum, Kindb.

Tufts dense, green and glossy. Leaves distichous, crowded and
patent, flat. ovate-oblong, acute or short-acuminate, estriate, entire or
denticulate above the middle, decurrent ; cells very long and narrow
the alar large hyaline and subquadrate ; costa none or obsolete.
Capsule cylindric-obovate, horizontally curved ; teeth yellow ; pedicel
smooth, 2 cm. Jong. Lid unknown. Probably dicecious.

On dead wood in Dow’s Swamp, Oct. ¢7th, 1884.

173. P. brevipungens, Kindb.

Tufis dense, dark green. Stems prostrate, irregularly pinnate ;
branches attenuate. Leaves crowded, scarcely decurrent, ovate-oblong,
acute or short-pointed, auricled, not plicate nor reflexed on the borders,
entire or slightly denticulate at the apex ; upper cells long and narrow,
the alar very distinct, quadrate, inflate and hyaline ; costa very short,
thick and simple or none. Capsule curved ; lid short, conical ; pedicel
smooth. Moncecious. ;

On stones in McKay’s Woods opposite the entrance to Beechwood
Cemetery, May 2tst, 1885.

174. P. attenuatirameum, Kindb.

Tufts green, faintly shining, loose, with tew rhizoids. Primary
stem very short ; branches elongate, long-attenuate, finally flagelliform
Leaves sub-distichous, the lower broadly ovate, obtuse or obtusate,

1898] MacoUN—CRYPTOGAMIC FLORA OF OTTAWA. 27

entire, long-decurrent, concave, recurved at the borders from the base
to the middle, at least at the one side ; cells chlorophyllose, somewhat
dilated, the lowest very much wider and shorter, nearly uniform ; costa
generally short and double, rarely simple and reaching to the middle ;
the other leaves gradually smaller, narrower and more acute or
acuminate. Barren.

On rocks in Gilmour’s Park, Chelsea, Que., S: pt. 6th, 1889,

LVIII. AMBLYSTEGIUM, Schimp.

175. A. Sprucei, Bruch, and Schimp.
On old cedar stumps in Dow’s Swamp, Oct. 16th, 1884.

176. A. subtile, Pruch. and Schimp.

On the bases of large trunks in McKay’s Woods, Oct. 10th, 1289 ;
on the borders of Dow’s Swamp, Oct. 16th, 1384 ; in Beechwood
Cemetery, April 28th, 1896; also at Hog’s Back, May, 1897.

177. A. confervoides, Bruch. and Schimp.

On flat limestone rocks in woods north of the Experimental Farm ;
along the Ottawa, wes: of Hull; and in McKay’s Woods near the
Lake, Sept. 9th, 1889 ; also on the cliffs and flat rocks, Rockcliffe Park,
April 16th, 1896.

178. A. Yuratzskz, Schimp.

On dead wood, stones and bases of trees, McKay’s Woods, Oct.
t2th, 1889 ; on earth at Dow’s Swamp, Oct. 16th, 1884 ; on stones in
Beechwood Cemetery, May 21st 1885.

179. A. serpens, Bruch. and Schimp.

On earth in woods and at the roots of trees ; common ; on roots of
trees, Rockcliffe Park, May 7th, 1896; at the base of trees, Hoz’s Back,
May, 1897.

180. A. porphyhizum, (Lindb.) Schimp.

On stones in McKay’s Woods, Aug. 26th, 1889 ; also in woods at’
Carleton Place, Sept. 25th, 188y.
181, A. varium, (Hedw.) Lindb.

On stones in damp parts of McKay’s Wcods and Beechwood
Cemetery, Oct. 12th, 1889; on stones at Leamy’s Lake, Hull, Que.,
1896.

182, A. fluviatile, Bruch. and Scbimp.

On stones in the brook that discharges Kingsmerc, four miles west
of Chelsea, Que., Sept. 9th, 1889 ; on rocks in a brook at Meeche’s
Lake, north of Chelsea, Que., Sept. 23rd, 1893.

28 THE OTTAWA NATURALIST. [February

183. A. curvipes, Guemb.
In pools in Dow’s Swamp, Oct. 16th, 1884.

184. A. adnatum, (Hedw.) Lesq. and James.

On flat stones in McKay’s Woods, May 16th, 1885 ; and in woods
west of Hull, Que. ; on “ Pine Hill,” Rockcliffe Park, April, 16th, 1896.
185. A. compactum, (C. Muell.) Bruch. and Schimp.

On decayed wood in a swamp at Carleton Place, May 30th, 1884.

186. A. riparium, Bruch. and Schimp.

On sticks and roots in pools in woods near St. Patrick’s Bridge ;
also in the swamp north of Beechwood Cemetery, Oct. rath, 1884.

LIX HYPNUM, Linn.

187. H. hispidulum, Brid.
On the bases of trees around Ottawa ; on earth at Carleton Place,

30 miles from Ottawa, Sept.’25th, 1889 ; bases of trees, Gilmour Park,
Chelsea, Que., Sept. gth, 1889.

188. H chysophyllum, Brid.
On earth and roots of trees at Ottawa, Aug. 26th, 1889 ; common

at Carleton Place, May 30th, 1884; on the cliff facing the Ottawa
River, Rockcliffe Park, April 22nd, 1896.

189. H. Sommerfeltii, Myrin.

On earth at the bases of trees at Ottawa, Aug. 26th, 1889 ; on old
logs near Leamy’s Lake, Hull, Que., Nov. gth, 1896.

190. H. unicostatum, C. M. and Kindb.

Differs from Hypnum chysophyllum in the dense tufts, the stem
more irregularly branching, creeping, the leaves shorter-acuminate, the
alar cells smaller, not yellow, the costa more distinct, the capsule
smaller, the perichetial leaves gradually acuminate-subulate or filiform-
pointed with acumen arcuate.

On earth in the Mer Bleue, close to the sulphur spring, near East-
man’s Springs, Oct. 4th, 1890.

191. H. Kneiffii, (Bruch. and Schimp.)

Bogs and swamps. | In swamps north of Beechwood Cemetery,
Oct. 22th, 1889 ; also in Dow’s Swamp; in a bog at Britannia, six
miles west of Ottawa, Sept. 14th, 1891; ina swamp near Hog’s Back,
1897. :
Var. laxum, Kindb.

‘ In Dow’s Swamp, Oct. 12th, 1884.

1898] MAcCOUN—CRYPTOGAMIC FLORA OF OTTAWA. 29

Var. rectifolium, Kindb.
On damp rocks in McKay’s Woods, Aug. 26th, 1889.

Var. platyphyllum, Kindb.

Leaves very broad and short-acuminate.

On damp rocks in woods east of the end of the Electric Road,
Rockcliffe Park, Aug. 26th, 1889.

192. H. Sendtneri, Schimp.
In water in Dow’s Swamp ; in a bog at Britannia, six miles west of
Ottawa, Sept. r4th, 1891.

193. H. fluitans, Linn.
In a swamp along the Beaver Meadow west of Hull, Que., Oct.

16th, 1891; in boggy places north of Beechwood Cemetery and
McKay’s Lake, Sept. 25th, 1889.

194. H. uncinatum, C. M. and Kindb.

Quite common in wet woods north of Beechwood Cemetery, Oct.
tath, 1889; in Dow’s Swamp and at the Hog’s Back, May 22nd, 1897;
also in the Mer Bleue, Oct. 4th, 1890.

195. H. conflatum, C. M. and Kindb.

Allied to Hypnum Knerfiz. Stem slender, subfiliform, distantly
pinnate, not radiculose. Leaves small, concave, distant, denticulate all
around ; stem leaves decurrent, from a broad-ovate base suddenly
narrowed into a very short, subulate-filiform, straight point ; alar cells
very large, hyaline or faintly yellowish, the other nearly uniform, ‘oblong-
lanceolate, conflate ; costa pale-yellow, vanishing in the acumen ;
branch leaves narrower, oblong-lanceolate, more or less short-acuminate,
curved or straight. Capsule very small, arcuate and contracted below
the mouth. Dicecious.

In a swamp near Britannia, six miles west of Ottawa, Sept. 14th,
1891.

196. H. rugosum, Linn.
‘On dry rocks along the exposed cliffs facing the Ottawa~River,
Rockcliffe Park, April 22nd, 1896.

197. H. crista-castrensis, Linn.

On logs and on earth in damp woods around Ottawa. Collécted
near McKay’s Lake, April 28th, 1896; in Dow’s Swamp and at
Casselman.

198. H. molluscum, Hedw.

On old logs in Dow’s Swamp, Sept. 9th, 1889 ; on logs near the
Lake in McKay’s Woods, April 28th, 1896.

30 THE OTTAWA NATURALIST, [February =

199. H. reptile, Michx.

Abundant on trunks of trees in woods around Ottawa. On trunks
“Pine Hill,” Rockcliffe Park, April 14th, 1896; on old logs in Beech-
wood Cemetery and along the Aylmer Road, Oct. 12th, 1887.

200. H. pallescens, Schimp.

On limestone rocks on an old stone fence along the Aylmer Road,
near Tetreauvillc, west of Hull, Que., Sept. 24th, 1891 ; on boulders
along the rvad leading east from the end of the Electric Road, Rock-
cliffe Park, May 7th, 1896.

zo1. H. Canadense, Kindb.

On old logs and stones at ‘Rockcliffe near the end of the Electric
Road, Rockcliffe Park, May 7th, 1886 ; on stones in woods west of
Hull, Que., Sept. r1th, 1891 ; on rocks in Rockcliffe Park, Sept. 25th,
1889.

202. H. fertile, Sendt.
On old logs at Casselman, June 11th, 1892.

203. H. imponens, Hedw.
Common on rotten logs around Ottawa, at Chelsea and Casselman,

204. H, arcuatiforme, Kindb.

Tufts dense, green, not glossy. Stem creeping, subpinnate. Leaves
arcuate, ovate-lanceolate, generally short-acuminate or sub-obtusate,
entire, decurrent, not-striate ; alar cells large, well-defined, orange, the
other pale and narrow ; costa none or short and double. Capsule sub-
cylindric, curved, not striate nor furrowed, constricted below the wide
mouth ; teeth when dry incurved, pale-yellow, hyaline-margined ; cilia
‘long, appendiculate ; pedicel about 3cm. long. Probably dicecious.
Resembles in habit Aypnum cupressiforme. Lid and male flowers not
found.

The allied Hypnum Lindbergii, Mitt. (H. arcuatum, Lindb.)
‘differs at once in the not creeping, irregularly divided stem, the shorter
pedicel, the larger capsule, &c.

On earth near the gate of Beechwood Cemetery, Sept. 29th, 1889

205. H. Renauldii, Kindb.

Agrees with Hypnum curvifolium in the stem being more or less
pinnate, the inner basal leaf-cells finally vellow ; with Aypnum Lind-
bergit in the leaves being decurrent, alar cells very much dilated, he
capsule not plicate in a dry state ; differs from both in the entire leaves.
Hypnum pratense differs in the leaves not being striate nor decurrent,
and alar cells not evolute.

1898] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 31

On earth near the small lake at the head of the Beaver Meadow,
west of Hull. Que., May r4th, 1891.

206. H. curvifolium, Hedw.
On old logs in damp or swampy woods around Ottawa.

207. H, Lindbergii, Mitt.

On earth on rocks along Leamy’s Lake, Hull, Que., Nov. goth, ~
1896. ‘

208. H. Haldanianum, Grev.

Abundant on rotten logs around Ottawa. In woods at Leamy’s,
Lake, Chelsea, Ironsides and Meeche’s Lake, Que. ; in woods at the
south end of Cowley’s Farm, west of Hintonburgh, April 18th, 1896 ;
on logs in Beechwood Cemetery, Oct. 12th, 1889 ; rotten logs at Cas-
selman, Aug. 2oth. 1884.

209. H. pseudo-drepanium, C. M. and Kindb.

Tufts loose, green, faintly glossy. Secondary stems very long,
flaccid, subpinnate, sparingiy radiculose, faintly compressed ; paraphyl-
lia none ; branchlets 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 some-
times yellowish (thick- walled, the alar large sub-rectangular, well-
defined, the other longer and narrower ; auricles excavate ; costa indis-
dinct or short and double. Dicecious. Female plants not found.

On old logs in Dow’s Swamp, Sept, 16th, 1889.

210. H. stramineum, Dicks.
In the Mer Bleue, near Eastman’s Springs.

. H. cordifolium, Hedw.

Jn wet woods and swamps ; in holes in Dow’s Swamp ; in pools in
the swamp north of Beechwood Cemetery, May 12th, 1897 ; swamp
west of Hull, Oct. 16th, 1884.

212. H. Richardsoni, (Mitt.) Lesq. and James.

In water along the south end of McKay’s Lake, near Beechwood
Cemetery, Sept. 26th, 1893.

213. H. giganteum, Schimp.

In the spring creek in Dow’s Swamp ; also in the Beaver Meadow
creek, west of Hull, Que., Oct. 3rd, 1893.

32 THE OTTAWA NATURALIST. [February

214. H. Schreberi, Willd.

Abundant on earth in old woods around Ottawa. In shady woods,
Rockcliffe Park, April 22nd, 1896.

LX. HYLOCOMIUM, Schimp.

215. H. splendens, (Hedw.) Schimp.

Very abundant in damp woods everywhere around Ottawa. In
shady woods along the cliff facing the Ottawa River, Rockcliffe Park,
April 22nd, 1896 ; Casselman, Aug. 2oth, 1884.

216. H. brevirostre, Schimp.

On damp rocks near High Falls, Lievre River, near Buckingham,
Que., May 19th, 1884.

217. H. triquetrum, (Linn) Schimp.
Very common in old cool or damp woods. In shady woods along

the cliff facing Ottawa River, Rockcliffe Park, April 22nd, 1896 ; Cas-
selman, Aug. z2oth, 1884.

218. H. pyreniacum, (Spruce) Lind.

On rocks by a brook, Meeche’s Lake, north of Chelsea, Que., Sept.
23rd, 1893 (Addendum.)

219. Didymodon trachneuron, Kindb. (Just published)

_ Leaves short-attenuate, subacute, brittle ; costa pale, papillose at
back, sometimes excurrent. Tufts low, green. Capsules unknown.
On large boulders in a brook near North Wakefield, Que., Sept.
13th, 18¢3. (J. M. Macoun)

220. Grimmia arctophila, Kindb.

Leaves ovate oblong, involute above, suberect when moist, ap-
pressed when dry, the uppermost not larger, basal cells generally short,
the upper short-opaque ; hair point not long; capsule sub-oblong,
brownish ; lid apiculate ; annulus indistinct ; pedicel straight. Tufts
generally cohering, blackish when dry, about 3 cm. high.

On rocks, Paugan Falls, on the Gatineau River, Que, Aug. 24th,
1894.

HEPATIC: (Liverworts).

I, FRULLANIA, Raddi.

221. F. Eboracensis, (Gottsch.) Lehm.

Very common, especially on beech trees in all the old woods
around Ottawa. On bark of various trees, especially beech at Cassel-

1898] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 33

man, Eastman’s Springs. Carleton Place, Chelsea and near Hull; on.
beech trunks, Pine Hill, Rockcliffe Park, April 16th, 1896 ; Beechwood
Cemetery‘ on beech trees, Oct. 14th, 1884 ; on trees at Leamy’s Lake,
Hull, Que., Sept. 6th, 1889. =

II. LEJEUNEA, Libert.

222. L. calcarea, Libert.

On the bases of cedar (Thuya occidentalis) trees in Dow’s Swamp,
Sept. 21st, 1889 ; on cedar bark in woods, Rockcliffe Park, April 22nd,
1896. Very rare.

Il]. RADULA, Dumortier.

223. R. complanata, Dumort.

Very common on rocks and the roots and bases of trees in woods
around Ottawa. On rocks and trees in rear of Cowley’s Farm, west of
Hintonburg, at Chelsea, Kingsmere, Meeche’s Lake, and near Hull,
Que on trees at Britannia and Carleton Place ; very common in Beech-
wood Cemetery and McKay’s Woods, April 14th, 1896 ; on rocks along
the Ottawa River, Rockcliffe Park, Oct. 16th, 18389.

IV. PORELLA, Dill.

224. P. platyphylla, (L.) Lindb.

Very common on the bases of trees by brooks and on ledges of
damp limestone rocks around Ottawa. On trees by the brook in rear.
of Cowley’s Farm,west of Hintonburg, April 18th, 1896 ; also on trees at
Leamy’s Lake, Hull, and on rocks near Tetreuville, west of Hull, Que.,
Oct. 12th, 1887 ; on trees in the swamp, Beechwood Cemetery,’ Aug.
24th, 1884.

V. PTILIDIUM, Nees.
225. P. ciliare, Nees.

Very common on old logs and rocks. On old logs, Beechwood
Cemetery, McKay’s Woods, and Rockcliffe Park, April 14th, 1896 ; in
woods at Carleton Place, Eastman’s Springs and Casselman ; Chelsea
and Kingsmere, also Leamy’s Lake, Hull, Que., Oct. 12th, 1884.

VI. TRICHOCOLEA, Dumortier.

226. T. tomentella, (Ehbrh.) Dumort.

In moss in a swamp at Meeche’s Lake, north of Chelsea, Que.,
Sept. 23rd, 1893 ; in moss in Dow’s Swamp, May 2nd, 1896.

VII. BAZZANIA, S. F. Gray.

227. B. trilobata, S. F. Gray.
On old logs and stumps in swamps and wet woods around Ottawa.

34 THE OTTAWA NATURALIST. [February

In Dow’s Swamp, Oct. rath, 1884 ; and on old logs, McKay’s. Woods,
April 28th, 1895.

VIII. LEPIDOZIA, Dumortier.
228. L. reptans, Dumort.

On old logs and stumps in cedar and other swamps. In the
swamp near the head of the Beaver Meadow, west ot Hull, Que., April
18th, 1896 ; in Dow’s Swamy, May 2nd, 1896 ; on old logs, Cassselman,
Aug.. 20th, 1884.

IX. BLEPHAROSTOMA, Dumortier.

229. B. trichophyllum, Dumort.

On very rotten logs and stumps in swam)s and wet woods ; also
earth and stones. On rotten wood in Dow’s Swamp, May 2nd, 1896 ;
on olc logs in Beechwood Cemeter4, May 8th, 1895'; in a swamp at
Casselman, June 18th, 1894.

X. CEPHALOZIA, Dumortier.

230. C. Virginiana, Spruce.
On old logs in damp woods. On rotten wood in Beechwood
Cemetery, May goth, 1885.

231. C. multiflora, Spruce.

Very common on rotten wood in damp woods and swamps. On
rotten wood in Dow’s Swamp, May 2nd, 1896 ; also in the swamp on
the Glebe property, Bank St., Ottawa, April 27th, 1896 ; on stones and.
old logs near Experimental Farm, April 16th} 1892 ; on old logs, Beech-
wood Cemetery, May gth, 1885 ; on dead wood, Moose Creek, Sept.
5th, 1891 ; also at Eastman’s Springs, Sept. egth, 1892.

232. C. divaricata, Dumort.

On dead logs in a swamp north of the Experimental Farm, April
16th, 1892.

233. C. pleniceps, (Aust.)

On rotten wood and on stones around Ottawa. Rotten wood in
the swamp opposite the entrance to Beechwood Cemetery, Oct. 12th,
1884 ; on stones in the brook by McKay’s Lake, Aug. 26th, 1884.

234. C. bicuspidata, Dumort.
On rotten wood in Dow’s Swamp, May 2nd, 1896 ; rotten wood in

the swamp opposite the entrance to to Beechwood Cemetery, May oth,
1885.

1898] MacOUN—CRYPTOGAMIC FLORA OF OTTAWA. - 35

235. C. curvifolia, (Dicks.) Dumort.

On old logs in the swamp west of the old entrance to Beechwood
Cemetery, May 8th, 1885.

XI. ODONTOSCHISMA, Dumortier. -

236. O. denudata, (Mart.) Lindb.
On a pine log in Beechwood Cemetery, May gth, 1895.

XII. KANITA, S. F. Gray.

237. K. Trichomanis, (I.) S. F. Gray.

On dead wood in swamps and wet woods around Ottawa. Damp
woods, Carleton Place, 30 mmiles west of Ottawa, May zoth, 1884 ; on
dead wood in a swamp north of the Experimental Farm, April 16th,
1892. ;

XIII. SCAPANIA, Dumortier.

238. S. glaucocephala, (‘Tayl.) Aust.

On elm and other logs at Ottawa. Along the Beaver Meadow,
Hull, Que., Sept. 23rd, 1883 ; on old logs, Dow’s Swamp, Oct. zoth,
1884.

239. S. curta, (Mart.)

On logs in Rockcliffe Park, Sept. 24th, 1897 ; in Dow’s Swamp on
old logs, Oct. 5th, 1884.

240. S. nemorosa, (Linn.) Dumort.

On rotten logs by a brook at Meeche’s Lake, north of Chelsea,
Que., Sept. 23rd, 1893 ; on earth on a wet bank by the Rideau River
at the Hog’s Back, May 14th, 1897.

XIV. GEOCALYX, Nees.

241. G. graveolens, (Schrad ) Nees.

On dead wood and old stumps in the swamp on the Glebe pro-
perty, Bank St., Ottawa, April 27th, 1896 ; on earth in a swamp north
of the Experimental Farm, April 16th, 1892 ; on rotten logs in Dow’s
Swamp, Oct. 16th, 1885 ; on dead logs near Leamy’s Lake, Hull, Que.,
April 23rd, 1892.

XV. LOPHOCOLEA, Dumortier.

242. L. bidentata, (Linn.) Dumott.

On rotten logs at Eastman’s Springs, 12 miles from Ottawa, Sept.
27th, 1892.

36 . THE OTTAWA NATURALIST. [February

243. L. minor, Nees.

* On limestone rocks and calcareous Sati, Rockcliffe Park, April
22nd, 1896 ; on rocks at Carleton Place, May 30th, 1884; on dead
wood in Dow's Swamp, Sept. 4th, 1889 ; on rocks north of Experimental
Farm, April 16th, 1892. . :

244. L. Macounii, Aust.

On rotten wood, in woods west of the Beaver Meadow, Hull, Que.,
Sept. 23rd, 1883.

245. L. heterophylla, (Schrad.)

Quite common on rotten wood in swamps and wet woods at
Ottawa. On rotten wood at Hintonburg, April 18th, 1896; on elm
logs, Moose Creek, Sept. 6th, 1891 ; on rocks north of Experimental
Farm, April 16th, 1892 ; on old logs, Beechwood Cemetery, il 23rd,
1892 * by Leamy’s Lake, Hull, Que., Sept. 29th, 1889,

XVI PLAGIOCHILA, Bomontien

246. P. porelloides, (Torrey. ) Lindb,

Common on earth and old logs along brooks at Ottawa, On old
logs in the swamp near the entrance to Beechwood Cemetery, April
28th, 1896; on logs in Dow’s Swamp, 16th Oct., 1889; on damp
rocks, Meeche’s Lake, Hull, Que., Sept- 24tb, 1893.

247. P. asplenioides, (Linn.) Dumort,

On earth in wet woods at Ottawa, April 24th, 1885 ; on the margin
of the brook west of Victoria Park, May gth, 1884; on wet rocks in a
_, brook at Meeche’s Lake. Que. Sept, 23rd, 1893.

248. P. interruptus, (Nees.) Dumort.
On earth in Dow’s Swamp, Sept. 24th, 1889.

XVII. HARPANTHUS, Nees,

249. H. scutatus, (Web. and Mohr.) Nees.

_ On rotten logs in McKay’s Woods, April 28th, 1896; also i in woods
at Leamy’s Lake, Hull, Que, 16th Oct., 1892.

XVIII. JUNGERMANNIA, Micheli.

“250. J. Schraderi, Mart.

* On dead logs in damp woods and swamps around Ottawa. On old
logs in the swamp in rear of Cowley’s Farm, west of Hintonburg,
April 18th,.1896 ; Dow’s Swamp, 1885 ; at Carleton Place, 1884; on
old logs, Experimental Farm. April 16th, 1891,

37 THE OTTAWA NATURALIST. [May

251. J. barbata, Schreb.

On damp limestone cliffs facing the Ottawa River, Rockcliffe Park,
May 7th, 1896 ; on rocks, Gilmour’s Park, Chelsea, Que, Sept. gth,
1889 ; on rocks near Ironsides and on rocks Meeche’s Lake, Que.,
Sept. 23rd, 1893.

252. J. attenuata, Lindenb.
On rocks on damp cliffs, Rockcliffe Park, April 16th, 1891.
253. J. lycopodioides, Wallr.

On rocks on the east side of the cliff, close to the old sawmill,
Rockcliffe Park, Oct. 26th, 1889.

254. J. exsecta, Schmid.

Common on dead wood, Beechwood Cemetery, April 23rd, 1892;
on moss on logs in Dow’s Swamp, Oct., 1884.

255. J. incisa, Schrad.

On rotten wood in Beechwood Cemetery, Sept. 2nd, 1884; also
on old logs west of Beaver Meadow, Hull, Que., Oct. 6th, 1885.

256. J. excisa, Dicks.

Rather common on rotten wood around Ottawa ; in Dow’s Swamp,
Oct., 1884; also at Meeche’s Lake near Chelsea, Que., Sept. 24th,

1893.
257. J. pumila, With.

On rocks along Meeche’s Lake, north of Chelsea, Que., Sept.
23rd, 1893.

XIX. FOSSOMBRONIA, Raddi.

258. F. Dumortieri, Lindb.

On earth subject to inundation close to Leamy’s Lake, Hull, Que.,
Sept. 24th, 1889.

38 THE OTTAWA NATURALIST. [May

XX. BLASIA, Micheli,

259. B. pusilla, (Linn.)

On earth subject to inundation in a gully at Leamy’s Lake, Hull,
Que., Sept. 24th, 1889 ; on wet clay banks, Meeche’s Lake, north of
Chelsea, Que., Sept. 23rd 1893 ; also on clay banks at the confluence
of the Leivre River with the O.tawa River near Buckingham, Que.,
Sept. 26th, 1892.

XXI. PELLIA, Raddi.

260. P. epiphylla, Corda.
On earth subject to inundation in a gully at Leamy’s Lake, Hull,
Que., Sept. 24th, 1889.
XXII. ANEURA. Dumortier.

261. A. latifrons, (Lindb.) Dumort.

On old logs in the swamp, Glebe property, Bank St., Ottawa,
April 27th, 1896 ; on old logs, Beechwood Cemetery, April 23rd, 1892.
262. A. palmata (Hedw.)

On old logs and stumps in Dow’s Swamp, Oct. 6th. 1885 ; also on
logs in McKay’s Woods, Oct. 17th, 1890.

263. A. seSsilis, (Sprengel.) Dumort.

On old logs in a swamp about a mile south-east of Carleton Place ;
in fine fruit, May 3oth, 1884.

264 A. pinguis, (Linn.) Dumort.

Amongst peat moss in the Mer Bleue, near Eastman’s Springs,
June, 15th, 1892.

XXIII. METZGERIA, Raddi.

265. M. myriopoda, Lindb.
On damp rocks near Ironsides, five miles north of Hull, Que.,
Oct. 21st, 1884°
266. M. conjugata, Lindb.
On stones in McKay’s Woods near the Lake, Oct. gth, 1884.
XXXIV. ANTHOCEROS, Micheli.
267. A. Macounii, Howe (N. Sp.) Torr. Bull, Vol. xxv, page 19
(1898).
Thallus torming small dark green rosettes, 4-10 mm., in diameter,

strongly undulate-crisped, subradiately inciso-laciniate or somewhat
broadly lobed, rugose, pitted, sometimes slightly lamellate ecostate 6-8

1898] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 39

cells thick in axile parts, cavernose, becoming at the margin gradually
3 or 2-stratose, now and then glandular-thickened ; surface cells dis-
tinct, translucent, lightly protuberant, subrhombic, trapezoidal, or
oblong-pentagonal 35°75 x 30°35 mik. ; Wostoc colonies spherical ;
monoicous ; antheridia in groups of 3 or 4 ; involucres short, sometimes
united in pairs cylindrical oblong, or by contraction at base and mouth
dolioform or subglobose, °85-1°25 x ‘5-9 mm., incrassate except at the
thin erose or subentire mouth ; capsule black, erect or a little curved,
3-6 x 3-5 mm., thick-walled, with numerous stomata, the valves rigid or
slightly flexuose when dry, brittle and often broken ; columella some-
times appendiculate ; spores fuscus or black, rounded-tetrat edral
densely and rather minutely muriculate on both the inner and outer
faces, 48-65 mik. in maximum diameter ; sterile cells short, nearly as
broad as long, without spiral thickenings, separate or variously adherent,
often shriveled and inconspicuous.

On earth subject to inundation along the discharge of Leamy’s
Lake, near Hull, Que., Sept. 24th, 1891.
XXV. MARCHANTIA, Marchant.

268. M. polymorhpa, Linn.

Quite common around springs and on earth along the borders of
swamps around Ottawa. On eartb, by the lake in McKay’s Woods,
April 28th, 1896.

XXVI. PREISSIA, Nees.

269. P. commutata, Nees.
Under dripping limestore rocks under the cliffs near the uld mill,
east side of Rockcliffe, May 7th, 1896.

XXVII. CONOCEPHALUS, Necker.

270. C. conicus, Neck.
Quite common on old logs and earth by brooks around Ottawa.
In a swamp on the rear of Cowley’s Farm, west of Hintonburg, April

18th, 1896.
XXVIII. GRIMALDIA, Raddi.
271. G. rupestris, (Nees.) Lindenb.
On calcareous earth in crevices of rocks near Governor’s Bay, Rock-
cliffe Park, May zoth, 1884.
XXXIX. RICCIA, Micheli.
272. R. arvensis, Aust.

On damp earth covered by the spring floods around the east side
of Leamy’s Lake, Hull. Que., Sept. 24th, 1889.

40 THE OTTAWA NATURALIST. [May

273. R. fluitans, Linn,

Very abundant in Patterson’s Creek, Bank St., Ottawa ; also in the
Beaver Meadow Creek, west of Hull, Que., Oct. 9th, 1896.
274. R. natans, (Linn.) Corda.

In stagnant pools east of Beechwood Cemetery, April 23rd, 1892.

Forma terrestris.

Grows late in the season where pools bad been in the spring. On
earth along the Ottawa and Lievre rivers, near Buckingham, 20 miles
below Ottawa, Sept. 18th, 1892 ; also along the discharge of Leamy’s
Lake, Hull, Que., Oct. 16th, 1893.-

LICHENES.

I. RAMALINA, Ach.

275. Ramalina calicaris (L) var. fastigiata, Fr.

On old rails, cld logs and trunks ratherrare. On bark of young
red maples at Britannia, April zoth, 1895 ; rare on old logs near Ottawa
River, Hull : on a pine tree, Pine ‘Hill, Rackcliffé Park, rare on old
stumps and rails in a fence one mile south-east of Billing’s Bridge ; also
on red maples Leamy’s Lake ; on trees in a swamp in Stittsville ; old
logs King’s Mountain, west of Chelsea.

Var. farinacea, Schaer.

On trees, old fence rails, and ledges of rocks. Rare on bark along
the C.A.R. in Stewart’s Bush, April 12th, 1895: on old fence rails
West End Park ; on limestone ledges on the face of the cliff, opposite
Gatineau Point, Rockcliffe Park.

Var. canaliculata, Fr. -

On a balsam fir in a swamp a little east of Stittsville, May r4th,
1897.
276. Ramalina pusilla (Prev.) Var. geniculata, Tuck.

On twigs of spruce tress near Ironsides, Que., Oct. 6th, 1891.

II. CETRARIA, (Ach.) Fr.
277. Cetraria ciliaris, (Ach.)

On old fence rails and boards and occasionally on pine stumps
and trees. Qn old fence rails, West End Park, April 16th, 1892 ; on
old board fencing at Buckingham, Que. ; on an old pine stump one
mile above Britannia ; on tamarack trees in a swamp at Stittsville, May
14th, 1897.

1898] MACOUN—CRYPTOGAMIC FLORA OF OTTAWA. 4!

278. Cetraria sepincola, (Ehrh.) Ach.

Rare. Occasionally in swamps. On branches of black spruce in
the Mer Bleue, Eastman’s Springs, June 16th, 1891.

279. Cetraria lacunosa, Ach.

Rare in the Ottawa district. ; on trees and rails. On old fence
tails and boards at Buckingham, Que., May 14th, 1896.

280 Cetrartia Oakesiana, Tuckerm.

Very rare in Canada. On the base of living pine trees and at the
base of pine stumps, Rockcliffe Park, April 17th, 1895 ; on the base of
a pine stump by a swamp at Stittsville : old pine log, King’s Mountain,
west of Chelsea, May 22nd, 1897,

281. Cetraria juniperina (L.) Var. Pinastri, Ach.
Rare in the Ottawa district. On dead brarches of black spruce

and old logs in the Mer Bleue, at Eastman’s Springs, June 16th, 1891 ;
on branches of tamarack in a swamp at Stittsville, May r4th, 1897.

III. EVERNIA, Ach.

282. Evernia prunastri, (L.) Ach.

On trees, stumps and old fences ; rare. On old pine stumps at
Britannia, April roth, 18g4 ; on cold rails along the Richmond Road
above Hintonburg ; on an old fence, Ottawa East ; on trees in the
swamp west of I{ull Station ; on branches of tamarack trees in a swamp
at Stittsville, May 14th, 1897.

IV. USNEA, (Dill.) Ach.

283. Usnea barbata, (L.) Var. hirta, Fr.

On trunks south of the Aylmer Road, west of Hull, Que., April
26th, 1891 ; on a spruce tree, Rockcliffe Park ; on pine stumps at Bri-
tannia ; on spruce and tamarack trees in the Mer Bleue, at Eastman’s
Springs ; on tamarack trees in a swamp at Stittsville ; old log, King’s
Mountain, west of Chelsea, May 22nd, 1897.

V. ALECTORIA, (Ach.) Nyl.

284. Alectoria jubata, (L-) Var. chalybeiformis, Ach.

Rare on dead wood or on the earth. On old jine stumps at Brit-
annia, April 20th, 1895 ; on tamarack trees in a swamp at Stittsville,
May rath, 1897.

Var. implexa, Fr.

Quite common in tamarack and other swamps, hanging like black
hair from the branches. On black spruce and tamarack in the Mer
Bleue, at Eastman’s Springs, June 16th, 1891.

42 THE OTTAWA NATURALIST. [May

VI. THELOSCHISTES, Norm.

285. THeloschistes polycarpus, (Ebrh.)

A common species on living trees and dead wood. On black ash
and white cedar trunks and balsam poplar branches in Stewart’s Bush,
April 12th, 1895 ; common on willow, red ash and alder at Britannia ;
on balsam poplar and white ash trunks, at Hintonburg ; and on ash
and rock elm in Beechwood ; on old fence boards at Billing’s Bridge ;
on red maple and ash at Leamy’s Lake ; rare on trees at Stittsville ; on
trunks, King’s Mountain, west of Chelsea, May 22nd, 1897.

286. Theloschistes concolor, Dicks.

On ash trees west of West End Park, April 16th, 1892 ; on white
cedar bark by the C.A.R. in Stewart’s Bush ; quite common on willow,
ash, maple and alder at Britannia ; common on bark of trees, Aylmer
Road, west of Hull ; on trunks of black ash in woods west of Hinton-
burg ; also on basswood trees at Carleton Place ; on a black ash log, .
Ottawa Enst, and on ash trees in Beechwood: on old fence boards at
Billing’s Bridge ; on various trees in woods, Leamy’s Lake ; on trees at
Stittsville ; on trunks, King’s Mountain, west of Chelsea, May 22nd.
1897.

j VII. PARMELIA, (Ach) De Not.

287. Parmelia perlata, (L.) Ach.

- Not uncommon on trunks in wet woods or swamps. A fine species
but seldom found in fruit. On ash trees by the C A.R., Stewart’s
Bush, April 12th, 1895 ; on a spruce trunk in Rockcliffe Park ; on birch
trees, Skead’s Far n, Richmond Road ; on white cedar, black ash, and
cherry birch in the swamp near Beechwood Cemetery ; on a birch tree
in Dow’s Swamp ; on trees in woods at Chelsea, Que. ; also on trees at
Carleton Place ; on trees in the swamp west of Hull Station, Oct. gth,
1896.

288. Parmelia tiliacea, (Hoffm.) Floerk.

Rather uncommon except in deep, cool woads. On birch trees
on Skead’s Farm, Richmond Road ; on beech and other trees, Rock-
cliffe Park ; on young spruce trees in woods, Beaver Meadow west of
Huil ; on a beech tree in woods one mile south-east of Billing’s Bridge ;
on red maple at Leamy’s Lake ; on beech trunks, King’s Mountain,
west of Chelsea, May 22nd, 1897.

289. Parmelia Borreri, (Turn.)

Apparently rare in the vicinity of Ottawa. On trunks in woods
north of Beechwood Cemetery, April 23rd, 1891 ; on trees in a swamp
at Stittsville, May 14th, 1897.

1898] . MACOUN—CRYPTOGAMIC FLORA OF OTTAWA. 43

Var. rudecta, Tuckerm.

Very common on old rails and dead wood, around Ottawa. On
dead wood and old rails in Stewart’s Bush, April r2th, 1895 ; on dead
wood, living spruce trees and boulders, Rockcliffe Park ; on dead wood
at Britannia ; on dead pines, Aylmer Road, west of Hull; on white
cedar north of Beechwood ; on dead trees at Carleton Place ; ona
beech tree in woods one mile south-east of Billing’s Bridge ; on large
trees in woods, Leamy’s Lake ; on old rails and logs, King’s Mountain,
west of Chelsea, May 22nd, 1897. ‘

290. Parmelia saxatilis, (L.) Fr.

On trunks, dead wood, and rocks. On trunks in woods at Leamy’s
Lake, May 7th, 1897 ; on tamarack and other trees in a swamp at
Stittsville, May 22nd, 1897.

Var. sulcata, Ny).

On trunks, dead wood and rocks. On the branches of a dead
spruce, Rockcliffe Park, April 17th, 1895 ; on boulders along a fence;
Ottawa East ; on red maples in woods near Leamy’s Lake, Hull, Que. %
on old logs and rails east of Stittsville ; on rocks and trunks, King’s
Mountain, west of Chelsea, May 22nd, 1897.

291. Parmelia physodes, (L.) Ach.

On dead wood, old fence rails, boards and rocks. On _ the
branches of dead spruce, Rockcliffe Park, April 17th, 1895 ; on pine
stumps at Britannia ; on old fence rails and boards at Buckingham,
Que. ; on old fence rails and tamarack trees at Stittsville ; on old logs
and rails, King’s Mountain, west of Chelsea.

292. Parmelia colpodes, (Ach.) Nyl.

Not rare, chiefly on tamarack trees. In a swamp a little east of
Stittsville, north of the Can. Pac. Railway, May 14th, 1897 ; on trunks,
western slope King’s Mountain, May 22nd, 1897.

293. Parmelia olivacea, (L.) Ach.

On trees and old rails. On alders, red maple and red ash at
Britannia, April 2oth, 1895 ; rare on pine trees west of Hull ; on old
rails, Ottawa East ; on old rails at Dow’s Swamp ; and on young pines
at Carleton Place ; on old pine stumps, Leamy’s Lake ; common on
tamarack trees in a swamp at Stittsville, May r4th, 1897.

Var. aspidiota, Ach.

Same habitat as the species. On alder bushes at Britannia, April
zoth, 1895 ; on alder bushes near Leamy’s Lake, Hull, Que. ; on tam-
arack trees in a swamp at Stittsville, May t4th, 1897.

44 THE OTTAWA NATURALIST. [May

Var. sorediata, (Acb.) Nyl.

On trees and rocks ; rare. On maple trunks north of Aylmer
Road, west of Hull, Que., April 26th, 1891.

294. Parmelia caperata, (L.) Ach.

On trunks, dead wood, and stones ; comnton. On old rails and
pine trees, Clemow’s Woods, Bank St., April 12th, 1895 ; common on
dead and living trees at Rockcliffe, Beechwood and Ottawa East ;
abundant on old rails and dead wood at Britannia ; common on dead
pines Aylmer Road and by the Beaver Meadow, Hull ; old fence rails,
west of Hintonburg and West End Park ; on rails in ‘Dow's Swamp ;
and on trees at Carleton Place; on old fences around Billing’s Bridge ;
on trees of all kinds at Leamy’s Lake ; on old stumps and fences at
Stittsville ; very common, King’s Mountaip, Chelsea, Que.

295. Parmelia conspersa, (Ehth.) Ach.

Abundant on boulders in all old fields and fences around Ottawa.
Collected in Rockcliffe Park,.Ottawa East, by Dow’s Swamp, fields at
Hintonburg, and along the Aylmer Road west of Fiull ; on boulders
around Billing’s Bridge ; on boulders at Brigham’s Creek, near Leamy’s
Lake ; on boulders at Stittsville ; on boulders and other rocks, King’s
Mountain, Chelsea, Que.

VIII. PHYSICA, DC.
296. Physcia speciosa, (Ach.) Nyl.

On trees and mossy rocks in woods. On trees at Ottawa, 1884 ;
on trees in Beechwood Cemetery ; on trunks, Pine Hill, Rockcliffe
Park, April 16th, 1896 ; on a hemlock trunk in woods north of Beech-
wood Cemetery ; on a beech tree in woods one mile south-east of
Pilling’s Bridge ; on the bases of basswood trees in woods at Leamy’s
Lake, May 7th, 1897.

297. Physica granulifera, (Ach.) Tuckerm.

On trunks. On bark of trees north of Aylmer Road, Hull, Que.,
April 26th, 1891 ; on ash trees, Cowley’s Farm, west of Hintonburg ;
on large trees in woods at Leamy’s Lake, May 7th, 1897.

298. Physcia pulverulenta, (Schreb.) Nyl.

On trunks and rocks. On black ash trunks, Stewart’s Bush, April
12th, 1895 : on ash trees at Britannia ; on living and dead trees, Skead’s
Farm, Hintonburg ; quite common on ash and other. trees along the.
Aylmer Road west of Hull ; on ash trunks in Dow’s Swamp, Ottawa
East, Beechwood and Rockcliffe Park ; on large trunks in woods,
Leamy’s Lake; on trees at Stittsville ; on trunks and rails, King’s
Mountain, Chelsea, Que., May 22nd, 1897.

1898] MACOUN—CRYPTOGAMIC FLORA OF OTTAWA. 45

299. Physcia stellaris, (L.)

Very common on trunks and dead or living branches. On black
ash trees in a swamp in Stewart’s Bush, April 12th, 1895 ; on dead and
living trees at Rockcliffe Park, Beechwood, Ottawa East, Dow’s Swamp
and Skead’s Farm, Richmond Road, and common at Britannia ; com-
mon on trees in woods at Leamy’s Lake ; on balsam trees at Stittsville ;
on trunks and rails, King’s Mountain, Chelsea, Que., May 22nd, 1897.

Var. aipolia, Nyl.

Same range as the species. On the bark of trees at Ottawa, 1384 ;
on a black ash trunk in a swamp west of Beechwood Cemetery ; on
beech and maple trees in woods one mile south-east of Billing’s Bridge ;
on trees in woods, Leamy’s Lake ; on tamarack and cther trees at Stitts-
ville, May 14th, 1897.

300. Physcia astroidea, (Fr.) Nyl.

On old rails and trunks. On old rails near Hintonburg, April
18th, 1896 ; abundant on the upper part ofa fallen hemlock near
McKay's Lake, Beechwood, Sept. 29th, 1896; also on old rails at
Aylmer, Que.

301. Physcia hispida, (Schreb.) Tuckerm.

On trees, but generally on boulders with us. On black ash trees
in a swamp in Stewart’s Bush along the C.A.R., April rath, 1895 ; on
boulders in a pasture along Brigham’s Creek, near Leamy’s Lake,
May 7th, 1897.

302, Physcia obscura, (Ehrh.) Nyl.

Trunks, dead wood and rocks. On the bark of white cedar in
Stewart’s Bush, April 12th, 1895 ;on granite boulders, Rockcliffe Park ;
on trees and limestone and granite boulders at Britannia ; common on
trees and rocks at Hull and Aylmer, Que. ; on trunks in Dow’s Swamp ;
and on stones in Ottawa East: on old fence boards at Billing’s
Bridge ; on trunks and boulders between Brigham’s Creek and Leamy’s

2

46 THE OTTAWA NATURALIST. {June

Lake, Hull, Que. ; on old boards at Stittsville ; on rocks, trunks and old
rails, King’s Mountain, Chelsea, Que., May 22nd, (897.

303. Physcia setosa, (Ach.) Nyl.

On rocks, and upon mosses, and trunks. On trunks along the Beaver
Meadow, west of Hull, Que, April 26th, 1891; on trunks “ Pine
Hill,” Rockcliffe Park ; on black ash trunks, Cowley’s Farm, west of
Hintonburg ; on black ash trunks amongst moss in woods north of
Beechwood Cemetery ; on beech trees in woods one mile south-east of
Billing’s Bridge, on various trees in woods at Leamy’s Lake; on trees
in a swamp at Stittsville, May 14th, 1897.

304. Physcia adglutinata, (Floerk.) Nyl.
On trees and shrubs. On beech trunks at Beechwood Cemetery,
April 23rd, 1892.
IX. PYXINE, Fr.
305. Pyxine sorediata, Fr.

On trunks in woods. On black ash in Stewart’s Bush, April rath,
1895 ; on beech trunks, “ Pine Hill,” Rockcliffe Park ; in woods north
of Beechwood Cemetery ; on ash, balsam fir and other trees in woods
west of Beaver Meadow, Flull, Que.; on trees at Britannia; on trunks
in woods at Leamy’s I.ake, May 7th, 1897.

X. UMBILICARIA, Hoffm.

306. Umbilicaria Muhlenbergia, (Ach.) Tuckerm.

On perpendicular rocks near the summit of King’s Mountain, west
of Chelsea, Que., Sept., 1884; also May 22nd, 1897.

307. Umbilicaria vellea, (L.) Nyl.
On the face of a perpendicular rock near the summit of King’s
Mountain west of Chelsea, May 22nd, 1897.

308. Umbilicaria Dillenii, Tuckerm.

On the faces of perpendicular rocks near the summit of King’s Moun-
tain west of Chelsea, May 22nd, 1897.

XI. STICTA, (Schreb.) Fr.

309. Sticta amplissima, (Scop.) Mass.

On large trunks in old woods, not rare. Common in Rockcliffe
Park and McKay’s woods, April 16th, 1891; in Dow’s Swamp; on
rear of Skead’s Farm, Richmond road ; also on trees at Carleton Place;
on trees in the swamp west of Hull Station ; on basswood trunks in
woods near Hull Cemetery ; on trunks King’s Mountain and near
Chelsea, May 22nd, 1897.

1898] MAcoUN—CRYPTOGAMIC FLORA OF OTTAWA. 47

310. Sticta pulmonaria, (L.) Ach.

On large old trees in thick woods, common. Common in Rock-
cliffe Park and McKay’s woods and woods north of Beechwood
Cemetery, April 20th, 1891 ; on trees at Carleton Place ; on trees in a
swamp at Stittsville ; on trunks King’s Mountain and near Chelsea,
May 22nd, 1897 ; on trees ina swamp west of Hull Station.

XII. NEPHROMA, Ach.

311. Nephroma Helveticum, Ach.

On rocks at King’s Mountain, west of Chelsea, Sep., 1884; also
on rocks below the summit, May 22nd, 1897.

312. Nephroma levigatum, Ach.

On large boulders in old woods. In woods north of the
Aylmer road and west of Hull, Que., April 27th, 1895 ; in McKay’s
woods and in Beechwood Cemetery; on rocks near the summit of
King’s Mountain, May 22nd, 1897.

313. Nephroma parile, Nyl.
On rocks at King’s Mere, west of Chelsea, Que., Sept 3rd, 1884.

XIII. PELTIGERA, (Willd.) Fee.

314 Peltigera venosa, (L.) Hoffm.
On earth along the broken bank of the Lievre River at Buck-
ingham, Que., May 14th. 1896.

315. Peltigera aphthosa, (L.) Hoffm.

On rocks, logs and earth and among mosses in swampy woods.
On earth and old logs in wet woods east of the Beaver Meadow, west
of Hull, Que., April 26th, 1891; on damp rocks by the Lievre River,
Buckingham, Que.; on dead logs at Carleton Place; on old logs in a
swamp at Stittsville, May 14th, 1897.

316. Peltigera horizontalis, (L.) Hoffm.
On moist rocks amongst mosses. In woods near the lake at the
head of the Beaver Meadow west of Hull, Que., May 16ih, 1896.

317. Peltigera rufescens, (Neck ) Hoffm.

On earth, rocks, the bases of trees and amongst moss. On
rocks in Rockcliffe Park, Beechwood Cemetery, and Ottawa East on a
boulder ; on rocks rear of Cowley’s Farm west of Hintonburg ; on old
logs Dow’s Swamp ; on earth at Britannia ; commun on earth and rocks
south of the Aylmer road, Hull, Que.; on earth in a swamp at Stittsville ;
on rocks near summit of King’s Mountain, May 22nd 1897.

48 THE OTTAWA NATURALIST. {June

318. Peltigera canina, (L.) Hoffm.

On earth, rocks and the bases of trees in cool woods, On earth
in pine woods Rockcliffe Park ; on earth Ottawa East ; on earth and
rocks in woods west of the Beaver Meadow, Hull, Que. ; on old logs
in woods Carleton Place; on the earth at the base of trees in woods,
Leamy’s Lake; on earth ina swamp at Stittsville ; very common on
earth, old wood and rocks, King’s Mountain, May 22nd, 1897.

XIV. SOLORINA, Ach.

319. Solorina saccata, (L.) Ach.

On calcareous earth in the damp crevices of the limestone ledges
facing the Ottawa below Governor’s Bay, Rockcliffe Park, April 17th,
1895.

XV. PANNARIA, Delis.

320. Pannaria lanuginosa, (Ach.) Keerb.

On limestone ledges along the cliffs of Rockcliffe Park, April 17th
1895 ; on overhanging rocks along the Beaver Meadow west of Hull,
Que. ; also along the Ottawa River on limestone cliffs near Tetreauville,
Little Chaudiere ; on limestone rocks Ottawa East ; also near the Ex-
perimental Farm; very common on the faces of damp rocks King’s
Mountain, May 22nd, 1897.

321. Pannaria leucosticta, Tuckerm.

On trunks and rocks, rare. On batk of, balsam poplar in woods
south of the Aylmer road, west of Huil, Que., April 27th 1895; on
boulders Rockcliffe Park ; and on stones West End Park; on beech
trunks in woods one mile south east of Billings Bridge ; on beech
trunks north or Beechwood Cemetery ; on rocks King’s Mountain,
Mayjz22nd, 1997.

322. Pannaria microphylla, (Schm) Delis.

Forming a thick crust on rocks. On boulders in woods north of
Aylmer Road, west of Hull, Que., April 27th, 1895; on boulders,
“ Pine Hull,” Rockcliffe Park and in Beechwood Cemetery; quite

common on damp boulders, King’s Mountain, May 22nd, 1897.
323. Pannaria lepidiota, Fr.

On earth and amongst moss on rocks. On moss ona stone in
woods, south of Aylmer Road, west of Hull, Que., April 27th, 1895.
324. Pannaria nigra, (Huds.) Nyl.

On limestone rocks by the cliffs along the Ottawa, Rockcliffe Park,
April 16th, 1891, ; on limestone rocks in a field by the Beaver Meadow

1898] MAcoOUN—CRYPTOGAMIC FLORA OF OTTAWA. 49

Creek, west of Hull, Que. ; on limestone rocks at Leamy’s Lake; on
limestone rocks between Aylmer and King’s Mountain, May 22nd,

1897.
XVI. COLLEMA, Hoffm.
325. Collema myriococcum, Ach.

Growing on moss, on limestone rocks by the Ottawa, below
Governor’s Bay, Rockcliffe Park, April 16th, 1891.

326. Collema pulposum, (Bernh.) Nyl.

On earth on limestone rocks “ Pine Hill,” Rockcliffe Park, April
16th, 1896.

327. Collema crispum, Borr.

On calcareous earth in the cutting for the Aylmer Railway west of
Hull, Que., April 27th, 1895 ; on earth in crevices of rocks at King’s
Mountain near Chelsea, Que., May 22nd, 1897.

328. Collema limosum, Ach.

On calcareous earth in the cutting for the Aylmer Railway west of
Hull, Que.; very rare. April 27th, 1895.

329. Collema floculosa, Nyl.

On limestone rocks below Governor’s Bay, Rockcliffe Park, April
17th, 1895 ; on naked limestone rocks in woods south of the Aylmer
Electric Railway, west of Hull, Que. ; very rare, May 16th, 1895.

330. Collema tenax, (Ach.) Tuckerm.

On calcareous earth on wet rocks in the cutting for the Aylmer
Electric Railway west of Hull, Que., April 27th, 1895; on calcareous
earth along the limestone ledges at Rockcliffe Park, April 12th, 1896.

XVII. LEPTOGIUM, Fr.

331. Leptogium tenuissimum, (Dicks.) Koerb.

On sandy earth, on old fence rails along the Richmond Road
west of Hintonburg, April 18th, 1896.

332. Leptogium lacerum, (Ach.)

On limestone rocks amongst moss in the cutting for the Aylmer
Electric Railway, west of Hull, Que., April 27th, 1895 ; on limestone
rocks by the Ottawa below Governor’s Bay, Rockclifte Park ; on damp
rocks, King’s Mountain, May 22nd, 1897.

333. Leptogium pulchellum, (Ach.) Nyl.
On trees in woods, Rockcliffe Park, Sep. 16th, 1889, very rare.

50 THE OTTAWA NATURALIST. [June

334. Leptogium Tremelloides (L.) Fr.

On rocks and trunks; common. On boulders and trees north of
the Aylmer Road, west of Hull, Que., April 27th, 1895 ; on trees in
Dow’s Swamp ; on boulders in Beechwood Cemetery; in McKay’s
woods, and on “ Pine Hill,” Rockcliffe Park; on old logs and rocks
King’s Mountain, May 22nd, 1897.

335: Leptogium chloromelum, (Sw.) Nyl.

On old rails near Aylmer and on damp rocks near the summit of
King’s Mountain, west of Chelsea, May 22nd 1897.

336. Leptogium respulinum, Ach.

On limestone rocks near the Ottawa below Governor’s Bay, Rock-
cliffe Park, April 16th, 1891.

XVIII. PLACODIUM (DC.)

337. Placodium elegans, (Link.) DC.

On a large boulder in woods, Governor’s Bay, Rockcliffe Park,
April 16th, 1895.

338. Placodium aurantiacum, (Lightf.)

On trees and rocks; also on dead wood. On a granite boulder
in woods, Governor’s Bay, Rockcliffe Park, April 17th, 1895 ; on lime-
stone rocks at Britannia ; on boulders in woods west of Hull and on
boulders at Leamy’s Lake, Oct. oth, 1896.

339. Placodium cerinum, (Hedw.)

Common on trecs, on dead wood and mosses. On maple and
poplar bark Stewart’s bush near the C. A. R. track, April rath, 1895 ;
on dead trees and living ash bark at Britannia ; on poplar bark south
of the Aylmer Electric Road, west of Hull, Que. ; on black ash Ottawa.
East ; on trunks in woods at Leamy’s Lake; on poplar trees in a
swamp at Stittsville; on old rails and trunks King’s Mountain, May
22nd, 1897.

340. Placodium vitellinum, (Ebrh.)

On dead wood and rocks. On old pine rails at Britannia, April
zoth, 1895; on cedar rails Ottawa East ; on boulders in pasture by
Brigham’s Creek - on old rails and logs, King’s Mountain, May 22nd,

1897.
341. Placodium vitellinum, (Ehrh.) var. aurellum, Ach.

On granite boulders in woods, Governor’s Bay, Rockcliffe Park,
April 17th, 1895; on boulders in wocds north of the Aylmer road
west of Hull, Que.; on boulders Ottawa East; on boulders in pastures
by Brigham’s Creek, May 7th, 1897.

1898] MacouN—CRYPTOGAMIC FLORA OF OTTAWA. 51

XIX. LECANORA, Ach.

342. Lecanora muralis, (Schreb.) var. saxicola. Schaer.

Very common on both gaanite and limestone boulders, Governor’s
Bay, Rockcliffe Park, April 17th, 1895 ; quite common on boulders
south of the Aylmer road and west of Brigham’s Creek, Hull, Que.; on
rocks between Chelsea and King’s Mountain, May 22nd, 1897.

343- Lecanora pallida, (Schreb.) Schaer.

On young pine trees Carleton Place, May 7th, 1892; ona pine
trunk Rockcliffe Park; on trunks in woods west of Hull station,
also in woods near Leamy’s Lake ; on trunks in a swamp at Stittsville ;
on rails and trunks, King’s Mountain, May 22nd, 1897.

344. Lecanora pallida, (Schreb.) var. cancriformis, Tuck.

On living pine trees in woods near the C. P. R. bridge over the
Ottawa, west of Hull, April 27th, 1895; on beech trees, Rockcliffe
Park.

345. Lecanora su>‘u3¢a, (L.) vat. allophana, Ach.

On living pine uces in woods near the C. P. R, bridge, over the
Ottawa, Hull, Que., April 27th, 1895; on old cedar rails in McKay’s
woods and Ottawa East ; en maple and beech trunks Rockcliffe Park
and Beechwood; on maple trunks one mile south east of Billings
Bridge; on basswood bark in Dow’s Swamp; on tre?s in a swamp west
of Hull station and on boulders in a field by the Aylmer Road; on
trunks in woods by Leamy’s Lake and on boulders by Brigham’s
Creek ; on trunks in a swamp at Stittsville ; on trunks, common, King’s
Mountain, May 22nd, 1897.

346. Lecanora subfusca, (Schreb.) var. coilocarpa, Ach.

On beech bark in woods, Rockcliffe Park, April 15th, 1891; on
beech bark in woods one mile south east of Billings Bridge ; on trunks
on King’s Mountain, May 22nd, 1897.

347. Lecanora subfusca var. argentata, Ach.

On small trees at the western base of King’s Mountain, west of

Chelsea, May 22nd, 1897.

348. Lecanora Hageni, Ach.

On old rails near McKay’s Lake, April 23rd, 1891 ; on cedar bark
on fences, Ottawa East; on old cedar rails along the Richmond Road

above Hintonburg, April 18th, 1896.

349. Lecanora atra, (Huds.) Ach.
On young beech trees at Buckingham, Que., May 14th, 1896 ; on
-limestone shingle at Britannia, April 20th, 1895.

52 THE OTTAWA NATURALIST. {June

350. Lecanora badia, (Pers.) Ach.
On limestone rocks in woods, north of the Aylmer Road, west of
Hull, Que., April 27th, 1895.
51. Lecanora varia, (Ehrh.) Nyl.

On bark of trees old boards and fence rails. On pine bark in
woods near the C. P. R. bridge west of Hull, Que., April 27th, 1895.
352. Lecanora varia, var. symmicta, Ach.

On trees and fences ; not rare. On bark of living pine trees in
woods west of the Beaver Meadow, Hull, Que., April 27th, 1895.

353. Lecanora varia, var. sepincola, Fr.

On the board fence in the cutting for the Aylmer Electric Railway,
west of Hull, Que., April 27th, 1895; on old fences at Stittsville ; on
old fences between Aylmer and King’s Mountain, May 22nd,1897.
354. Lecanora pallescens, (L.) Schaer.

On birch trees near Ottawa 1884; on trunks at the base of King’s
Mountain, May 22nd, 1897.

355. Lecanora privigna, var. pruinosa, Auct.

On limestone rocks, in woods, south of the Aylmer Road, west of
Hull, April 27th, 1895; on boulders along the road and in fields,
Rockcliffe Park ; on limestone boulders in a pasture by Brigham’s
Creek ; abundant on rocks, King’s Mountain, May 22nd, 1897.

XX. RINODINA, Mass.

356. Rinodina Ascociscana, Tuck.

On beech trees in McKay’s woods near the Lake, April 24th 1891;
on beech trees in woods one mile south-east of Billings Bridge, April
1oth, 1897.

357. Rinodina sophodes, (Ach.) Nyl.

- On bark of young red maples in Stewart’s bush south of the C. A.
R. track April 12th, 1895 ; very common on bark of young and old
red maple trees along the lake at Britannia ; on beech trees in woods
one mile south-east of Billings Bridge, April 19th, 1897.

358. Rinodina constans, Nyl.
On beech trees in Beechwood Cemetery, April 20th, 1891.
XXI. PERTUSARIA, DC.
359. Pertusaria multipunctata, (Turn.) Nyl.

On old trees in Rockcliffe Park and Beechwood. Sania: April
27th, 1892 ; on butternut trees along the Aylmer Road west of I{ull ; on
trunks of the same near the entrance to Hull Roman Catholic Cemetery;
on old cedar rails between Aylmer and King’s Mountain, May 22nd
1897.

1898] MAcOUN—CRYPTOGAMIC FLORA OF OTTAWA. 53

360. Pertusaria communis, DC.

On bark of old trees. On maple trees in Stewart’s Bush near the
C.A.R. track, April 12th, 189% ; on beech trees in woods one mile
south-east of Billings’ Bridge ; on old fence rails along the Richmond
Road west of Hintonburgh ; on trees in woods west of Hull ; on trees
in woods at Leamy’s Lake ; on trees and old logs, Aylmer and King’s
Mountain.
361. Pertusaria velata, (Turn.)

On an ash tree in a swamp, Britannia, April 20th, 1895 ; on beech
trunks, “Pine Hill,” Rockcliffe Park ; on old rails near Aylmer and at
the base of King’s Mountain ; on butternut trees along the Aylmer
Road west of Hull.

362. Pertusaria leioplaca (Ach.)
On beech trees in woods at Buckingham, Que., May 14th, 1896.

363. Pertusaria Wulfenii, DC.

On beech trees in woods, Rockcliffe Park, April 21st, 1891 ; on
the base of beech trees in woods one mile south-east of Billings’ Bridge ;
on beech trees in woods west of Hull Station ; also on beech trunks

near Leamy’s Lake.

XXII. CONOTREMA, Tuckerm.

364. Conotrema urceolatum, (Ach.) Tuckerm.

On bark of bitter nut hickory in woods north of the Aylmer Road
and west of Hull, Oct. 4th, 1884.

XXIII GYALECTEA, (Ach.)
365. Gyalectea lutea, (Dicks.) Tuckerm.
On the bark of hemlock trees in woods uorth of Beechwood
Cemetery, April 27th, 1892.
XXIV. THELOTREMA, (Ach.)
366. Thelotrema lepadinum, Ach.
On black ash trees in a swamp west of the entrance to Beechwood

Cemetery, Oct, 16th, 1884.

54 THE OTTAWA NATURALIST. {August

XXV. STEREOCAULON, Schreb.

367. Stereocaulon paschale, (Ach.)

Abundant on damp shingle along the C. P. R. west of Britannia,
April 20th, 1895 ; on boulders in pastures, Ottawa East, and almost
everywhere around Ottawa ; on boulders around Hull, quite common ;
also on boulders near the Catholic Cemetery, Hull ; on boulders in
fields at Stittsville ; on boulders at King’s Mountain.

XXVI. CLADONIA, Hoffm.
368. Cladonia alcicornis, Flerk.

On limestone boulders, in shade, south of the Aylmer Electric
Railway and west of the C. P. R., Hull, Que., April 27th, 1895; on
earth on stones along Brigham’s Creek ; on limestone rocks between
Aylmer and King’s Mountain.

369. Cladonia mitrula, Tuckerm.

On earth at the base of pine stumps west of Britannia, Oct. 11th,
1890.

370. Cladonia cariosa, Floerk.

On earth on stones by a fence, Ottawa East, April 14th, 1897 ; on
earth at the base of a stump in woods, Leamy’s Lake; on old rails
near Aylmer.

271. Cladonia pyxidata, Fr.

On earth, rocks, old logs and old fence rails. Old rails, Stewart’s
Bush, April 12th, 1895 ; on boulders, earth and old stumps, Rockcliffe
Park ; common on earth and pine stumps at Britannia ; on old pine
logs and limestone rocks, Aylmer Road, Hull, Que. ; on boulders,
borders of Dow’s Swamp ; on boulders, Ottawa East and Billings’
Bridge ; on boulders along Brigham’s Creek ; on old rails and stones
near Aylmer.

372. Cladonia fimbriata, (L.) Fr.

On pine stumps, ‘Pine Hill,” Rockcliffe Park, April rq4th, 1895 ;
on cedar stumps in Dow’s Swamp ; and also in a swamp east of Beech-
wood Cemetery ; on the base of stumps in woods west of Hull Station ;
on the base of stumps in a swamp at Stittsville ; on old rails near
Aylmer and King’s Mountain.

373. Cladonia fimbriata var. tubeformis, Fr.

On pine stumps and old pine logs at Rockcliffe Park, April 17th,
1895 ; on pine logs and stumps at Britannia ; on rotten pine logs and
stumps south of the Aylmer Road, west of Hull, Que. ; on old logs in
Dow’s Swamp ; on dead wood in woods near Leamy’s Lake ; on old logs
in a swamp at Stittsville ; on old rails near Aylmer and King’s
Mountain.

1898] MACOUN—CRYPTOGAMIC FLORA OF OTTAWA. 55

374. Cladonia gracilis, var. verticillata, Floerk.

Quite common on earth at Britannia, along the Can. Pac. Railway
west of the station, April 20th, 1895 ; on boulders in woods, Rockcliffe
Park ; on earth in woods at Leamy’s Lake.

375. Cladonia gracilis, var. hybrida, Scher.

On pine stumps and earth ; common. Pine stumps, Rockcliffe
Park, April 17th, 1895 ; on earth and pine stumps at Britannia ; on old
ping logs and stumps at Stittsville and Carleton Place, and on the same
at Aylmer ; on earth in woods, Leamy’s Lake ; on old rails and logs
near Aylmer,

376. Cladonia gracilis, var. elongata, Fr
On old pine logs in a swamp at Stittsville, May rath, 1897.

377. Cladonia squamosa, Hoffm.

On old pine stumps at Britannia, April 20th, 1895 ; on the base of
a stump in woods, Leamy’s Lake.

378. Cladonia furcata, var. crispata, Floerk.

A small clump on a pine stump a mile west of Britannia, April
zoth, 1895 ; on old pine logs south of Aylmer Road, west of Hull ; on
damp earth in woods along the cliff, Rockcliffe Park, May 7th, 1896.
379. Cladonia furcata, var. racemosa, Flcerk.

On old logs in woods in Rockcliffe Park ; also on pine stumps at
Britannia, April 20th, 1895.

380. Cladonia rangiferina, (L.) Hoffm.

On pine stumps in Rockcliffe Park, April 17th, 1895; on earth
and pine stumps at Britannia ; on old logs and stumps in a swamp at
Stittsville ; on old stumps at Carleton Place ; on old logs and stumps in
a swamp east of Beechwood Cemetery ; on old pine stumps and logs,
Aylmer Road, west of Hull ; on old logs and earth, King’s Mountain.
381, Cladonia rangiferina, var. alpestris, L.

On rotten pine stumps at Britannia, April 2oth, 1895.

382. Cladonia uncialis, (L.) Fr.
On rocks on the island at Gilmour’s Mill, Chelsea, Que., May 15th,
1896 ; on the summit of King’s Mountain.

383. Cladonia delicata, (Ehrh.) Floerk.

On rotten pine stumps at Britannia, April 20th, 1895 ; not uncom-
mon on old pine logs in woods close to the Can. Puc. Railway bridge
west of Hull ; on the base of stumps in woods at Buckingham, Que. ;
on an old pine log in a swamp at Stittsville.

384. Cladonia deformis, (1..) Hoffm.

Ona pine stump at Britannia ; very rare. April 2oth, 1895 ; on
an old stump in a swam) at Stirsville ; in a swamp near Lake Flora,
Hull, Que. ; on earth slopes « f King’s Mountain.

56 THE OTTAWA NATURALIST. [August

385. Cladonia digitata, (L.) Hoffm.

On an old pine stump about a mile west of Britannia, April 2oth,
1895 ; on old pine logs south of the Aylmer Road, west of Hull.

386. Cladonia cristatella, Tuckerm.

On cedar rails and pine stumps and old logs in Stewart’s Bush,
April 12th, 1895 ; on old pine stumps, Rockcliffe Park ; very common
on pine stumps at Britannia ; on dead pine logs and stumps at Aylmer,
Que. ; on logs in a swamp east of Belleville ; on stumps and old logs at
Stittsville ; on logs and stones in woods near Leamy’s Lake ; on old
stumps and pine logs near Aylmer.

XXVII. BAOMYCES, (Pers.) DC.

387. Beomyces zruginosus, (Scop.) DC.

Ou dead pine wood in cool woods. In woods at Meeche’s Lake,
ee Sept. 23rd, 1893 ; in woods at Buckingham, Que., May 14th,

96.
XXVIII. BIATORA, Fr.

388. Biatora rufo-nigra, Tuckerm.

On limestone rocks in Rockcliffe Park, April 17th, 1895.
389. Biatora granulosa, (Ehrh.) Pcetsch.

On carbonized wood on dead pine stumps one mile above Britan-
nia, April zoth, 1895 ; on burnt logs, King’s Mountain.

390. Biatora rubella, (Ehrh.) Rabenh.

On bark of maple and ash trees at Stewart’s Bush near the Can.
Atlantic Railway, April 12th, 1895 ; on ash trees in a swamp at Britan-
nia ; on black ash, white cedar and maple, Aylmer Road, west of Hull ;
also on oak bark in Rockcliffe Park ; on trees in a swamp at Stittsville ;
on trees in woods at Leamy’s Lake, near Hull; on black ash in a
swamp near Hintonburgh, April 18th, 1896.

393. Biatora fusco-rubella, (Hoffm.)

Near the base of black ash trees in Stewart’s Bush near Canada
Atlantic Railway, April 12th, 1895 ; on balsam poplar bark in woods
south of the Aylmer Road west of Hull ; on beech trees in woods at
Buckingham, Que., May 14th, 1896 ; on black ash east of Beechwood
Cemetery, and west of Hull Station ; on the base of young maples in
woods, Rideau Park, April roth, 1897.

392. Biatora suffusa, Fr.

On the base of black ash trees in Stewart’s Bush near Canada
Atlantic Railway, April 12th, 1895 ; on bark of black ash, Aylmer
Road, west of Hull ; on basswood bark, Dow’s Swamp ; on beech trees
in woods near Leamy’s Lake ; on black ash bark in the swamp west of
Hull Station, Que., April 24th, 1897.

1898] MacoUN—CRYPTOGAMIC FLORA OF OTTAWA. 57

393. Biatora Schweinitzii, Fr.

On spruce, pine and beech trees in woods at Rockcliffe Park,
April 17th, 1895 ; on white cedar in Dow’s swamp ; on old fence rails
along the Richmond Road west of Hintonburgh, April 18th, 1896 ; on
cedar bark in a swamp at Stittsville ; on spruce trees in woods west of
Hull, Que., May 7th, 1892.

394. Biatora sanguina-atra, Fr.

On moss on the base of trees in Dow’s Swamp; May 2nd, 1896 ;
on earth at the base of trees along the cliff in Rockcliffe Park, April
22nd, 1896 ; on moss in woods west of the Beaver Meadow, Hull, Que.,
Oct. 2oth, 1884.

395. Biatora varians, Fr.

On bark of young maples at Casselman ; and at Aylmer, Que.,
May sth, 891 ; on alder bark in Dow’s Swamp, May 2nd, 1892.

396. Biatora oxyspora, (Tul.)

On Parmelia Borreri in McKay’s Woods, near the Lake, April
23rd, 18or.

397. Biatora Laureri, (Hepp.)

On the bark of dead and living beech trees in woods near McKay’s
Lake ; on beech trunks, ‘‘Pine Hill,” Rockcliffe Park, April 16th,
1896.

398. Biatora sphzroides, (Dicks.)

On roots of trees at Ottawa, 1884 ; on the bases of trees in woods
at Carleton Place, May 12th, 1892 ; on moss on rock at Rockcliffe
Park, May 7th, 1896,

399. Biatora hypnophiba, Turn.

On moss on rocks or rails) On moss on damp rocks, Rockcliffe
Park, April 16th, 1891 ; also on moss on an old log in Beechwood
Cemetery, April 14th, 1896.

400. Biatora Macounii, Eckfeldt. (N. sp.)

On granite boulders in woods at Rockcliffe Park, April 17th, 1895 ;
also on boulders in woods south of the Aylmer Road, Hull, Que.,

_ April 27th, 1895.
XXIX. HETEROTHECIUM, Flot.
401. Heterothecium pezizoideum, (Ach.) Flot.
On moss on the base of a tree at Carleton Place, Oct. 21st, 1891.

XXX. BUELLIA, De Not.

402. Buellia parasema, Ach.

Not uncommon on the bark of growing pine trees. In McKay’s
Woods and “ Pine Hill,” Rockcliffe Park, April 2oth, 1891 ; on young

58 THE OTTAWA NATURALIST. [August

pines, along the Ottawa River west of Hull, Que. ; on pines, at King’s
Mountain, near Chelsea, Que ; on ash trees in a swamp north of Beech-
wood Cemetery, April 27th, 1892 ; on trees in a swamp at Stittsville,
May 14th, 1897.

403. Buellia myriocarpa, (DC.)

On old fence rails ; doubtless common. On stones in fields near
Britannia, April 20th, 1895 ; on old fence rails in McKay’s Woods,
quite common. April 23rd, 1891 ; on old rails.at Stittsville, May 14th,
1897 ; also at Buckingham, Que ; on old fence rails near Hintonburgh,
April 18th, 1896.

404. Buellia papillata, (Sommerf.) Tuck.

On moss on old fence rails at Carleton Place, Oct. 11th, 1889.

405. Buellia Pertusaricola, Willey.

On the bark of aspen poplar, but parsitic on Pertusaria communts
n woods by the Beaver Meadow near Hull, Que., Oct. 16th, 1889.

XXXI. GRAPHIS, Ach.
406. Graphis scripta, (Ach.)

Very commom on trunks of all kinds in woods around Ottawa. On
black cherry, beech, maple and oak bark at Aylmer, May 6th, 1891 ;
on butternut, birch and beech at Hull, Que., April 28th, 1891 ; on
maple, basswood and ironwood in Beechwood Cemetery, April 26th,
1892 ; on balsam fir at Stittsville, May 14th, 1897 ; on blue beech at
Leamy’s Lake, Hull, Que. ; also abundant on trees at King’s Moun-
tain, Chelsea, Que., May 22nd, 1897 ; on alder trunks in Dow’s Swamp ;
also in Rideau Park, April 19th, 1897.

407. Graphis recta, Humb.
Not uncommon on the bark of yellow and canoe birch in woods.

In woods along the Beaver Meadow, Hull, Que., May 16th, 1896 ; also
on the same at Buckingham, Que., May r4th, 1896.

XXXII. OPEGRAPHA, Humboldt.
408. Opegrapha varia, Pers.

On butternut bark in woods along the Aylmer Road west of Hull,
Que., April 23rd, 1891 ; also on cedar bark at King’s Mountain, near
Chelsea, Que., May 22nd, 1897 ; on cedar bark in Dow’s Swamp, May
2nd, 1897.

XXXIII. ARTHONIA, Ach.
409. Arthonia astroidea, Ach.

On bark, quite common in woods around Ottawa. On bark of
Juglans cinerea in woods along the Aylmer Road west of Hull, Que.,
April 28th, 1891 ; on Abies balsamea and young pines in Dow’s Swamp,
April 23rd, 1892 ; in woods near Aylmer, Que.

1898] MAcOUN—CRYPTOGAMIC FLORA OF OTTAWA. 59

410. Arthonia Swartziana, Ach.

Not uncommon on oak and ironwood trees near Aylmer, Que.,
May 6th, 1891 ; on maple trees at King’s Mountain, near Chelsea, Que.,
May 22nd, 1897.

411. Arthonia lecideella, Ny).

On various young trees and shrubs. On Acer spicatum at Aylmer,
Que., May 6th, 1891 ; quite common on young Acer rubrum in
Stewart’s Bush and Rideau Park ; on young maple trees at Bucking-
ham, Que., May rq4th, 1896 ; on young red maples near Hintonburgh,
April 18th, 1896.

412. Arthonia spectabilis, Flot.

On thick bark of old trees ; common. on basswood and sugar
maple bark at Carleton place, May 7th, 1882 ; on bark of Carya amara
in woods west of Hull, Que., September 21st, 1889 ; on old maples at
Casselman ; on Juglans cinerea at Aylmer, Que., May 6th, 18gr ; on
maple trees in Rideau Park, near Billings’ Bridge, April roth, 1897.
413. Arthonia tzdiosa, Nyl.

On young beech and maples, at Buckingham, Que., May rath,
1896.

414. Arthonia dispersa, (Schrad.) Ny).
On bark of young sugar maples at Ottawa. Collected in Beech-
wood Cemetery, April 16th, 1892.
XXXIV. MYCOPORUM, (Flot.) Nyl.
415. Mycoporum pycnocarpum, Ny].

On oak bark in woods by the lake near Aylmer, May 6th, 1891 ;
also on bark of young Acer rubwm, at Britannia, April 20th, 1895.

XXXV. CONIOCYBE, Ach.

416. Coniocybe furfuracea, (L.) Ach.

On the roots of trees in woods. On earth on pine routs in woods
north of Ironsides, Que., Sept. 16th, -1891 ; on roots of trees in Dow’s
Swamp, Oct. rath, 1887.

XXXVI. CALICIUM, Pers.
417. Calicium subtile, Fr.
On dead cedar stump in Dow’s Swamp, Sept. 26th, 1891.
XXXVII. ENDOCARPON, Hedw.

418. Endocarpum, fluviatite, DC.

On stones in the Beaver Meadow Brook below the C. P. Ry.
bridge near Hull Station, Que., April 24th, 1897 ; on rocks in a brook

60 THE OTTAWA NATURALIST. [August

at Meeche’s Lake, near Chelsea, Que., Sept. 23rd, 1893 ; on limestone
rocks, close to the Ottawa River, Gatineau Ferry, Rockcliffe, Nov.
rath, 1896.

XXXVIII. TRYPETHELIUM, Spreng.
419. Trypethelium virens, Tuck.

On beech trunks on “Pine Hill” in Rockcliffe Park, and Beech-
wood Cemetery, April 26th, 1891 ; on beech trees at Casselman, and
at King’s Mountain near Chelsea, Que., May 22nd, 1897.

XXXIX. PYRENULA, (Ach.)
420. Pyrenula punctiformis, (Ach.)

On bark of trees at Carleton Place, May rath, 1892 ; on maple
trees near Hintonburgh, April 18th, 1896 ; on trunks of sugar maple,
“ Pine Hill,” Rockcliffe Park, April 16th, 1896.

421. Pyrenula gemmata, (Ach.)

On old maple trunks in McKay’s Woods near the lake, April
16th, 1891.

422. Pyrenula mamillana, (Ach.)

On bark of maple trees in old woods, Carleton Place, May rath,
1892.
423. Pyrenula nitida, Ach.

Quite common on beech trunks around Ottawa. On beech trees
in Rockcliffe Park and McKay’s Woods, April 26th, 1891 ; on beech
trees at Moose Creek and Casselman, Sept, 6th, 1891; on. trees at
Aylmer, Que., May 6th, 1891.

424. Pyrenula thelena, Ach.

On canoe birch in woods along the Beaver Meadow, Hull, Que.
April 24th, 1897.

425. Pyrenula fallaciea.
On bark of young maples at Chelsea, Que., May 15th, 1891.

426. Pyrenula cineae (La

On young maple trees at Ottawa, May 7th, 1892.