1896] NEW MOSSES OF NORTH AMERICA 53 
late when dry, decurrent at base, broadly cordate-suborbicular, 
very obtuse, quite entire, slightly sulcate ; costa thin, vanishing 
far from the apex; areolation loose, pellucid ; cells soft, thin 
walled, rhomboidal-hexagonal in the middle, the marginal nar- 
rower, the upper shorter, the alar very loose, large, soft and 
empty. Flowers and fruit unknown. 
Northwest shore of Hudson’s Bay: Depot Island, N. lat. 
63° 79’, W. long. 90° 20’ (George Comer, 1893; comm. D. C. 
Eaton). 
Easily distinguished from the allied Z. cordtfolium Hedw. by 
the stems nearly simple, the leaves very soft, broader, and the 
looser areolation. 
VESOUL AND STENAY, FRANCE. 
EXPLANATION OF PLATES III-V. 
All the figures magnified are drawn by means of Nachet’s camera lucida. 
PLATE III. A. Dicranum Demetrii. a, entire plant ; 04, leaves ; c, alar cells; 
@, areolation in the middle of the base, near the costa; ¢, areolation of the 
upper part. B. Dicranum trachyphyllum. aa, entire plant; 54, leaves; c, 
Portion of a leaf in the middle; de, point of same; f areolation of the borders 
inthe middle. C. Dicranum subfulvum. a, entire plant; 440, leaves ; ¢, point 
of a leaf; d, basal areolation ; e, areolation of the upper part; /, transverse 
section of a leaf, 
PLATE IV. A. Trichostomum indigens. a, entire plant; 0d, leaves; c, basal 
areolation of a leaf; d, point of a leaf; ¢, capsule; /, two teeth of the peristome 
with a portion of the annulus; g, portion of a segment of a peristomial tooth. 
B. Hypnum orbicularicordatum. a, entire plant; 440, leaves; c, basal areola- 
tion of a leaf; @, areolation in the middle; ¢, areolation of apex. 
PLATE V. A. Aypnum implexum. a, entire plant; 4644, stem leaves ; ccc, 
branch leaves ; d, angular areolation; ¢, acumen, B. Hypnum subeugyrtum. 
4, entire plant ; 64d, leaves ; ¢, angular areolation ; d, areolation in the middle ; 
* areolation of the point. 
