os | REVUE BRYOLOGIQUE 
larger than in the mentionned species ; lid shorter rostraie. 
Calyptra, peristome and spores as in the last. Tufts green 
or brown. Monoecious. — Nearly agreeing with D. obtu- 
sifolia C. Muell. from Chili ; its capsules are still larger. 
‘On trees. Amner. Canada, near lake Erie : Macoun. 
4. Oreoweisia obtusata Kindb. n. sp. O. serrulata var. 
tenuior Kindb. Cat. Canad. M. - 
Leaves much broader and shorter than in 0. serrulata 
(Funck) Not.; subovate and obtuse, not acuminate, 
‘ strongly recurved below, very mamillose, densely ma- 
millose-serrulate above; basal cells mostly short and 
generally not pellucid ; costa percurrent. Tufts very tomen- 
tose to the short green tops. Capsules and flowers unknown. 
__ Differs from the ressembling Dichodontium pellucidum 
var. fagimontanum in the ‘smaller and shorterle aves, 
nearly spirally twisted about the stem, not or rarely (the 
uppermost) crisped when dry. 
_ Amer. Canada : Macoun. 
5. Trematodon acicularis Kindb. n. sp. 
Leaves very broad, broadly suboval and truncate (above), 
pointed by the long-excurrent costa; the perichetial ones 
nearly similar but larger and longer. Peristomial teeth split 
in the middle, orange-colored, red at the basal tube. Cap- 
sule as in 7. ambigquus. 
In bogs. Amer. Canada, British Columbia : Macoun. 
6. Grimmia velutina Kindb. n. sp. « G. Manniæ » Cat. 
Canad. M. 
Agrees with G. Manniæ C. M.: Leaves very small and 
short, obtusate, smooth, entire and not sheathing, densely # 
appressed when dry, not patent when moist ; cells large, 
not sinuous ; hairpoint none or very short ; tufts pulvinate, 
very low and compact ; dioecious. — Leaves broad-ovate, 
subobtuse, recurved all around at both sides, not carinate ; 
cells subquadrate, pellucid; hairpoint rarely present. Tufts 
brown and velvet-like when dry, dark green when moist, 
more compact. Capsules unknown. ire | 
On dry rocks. Amer. Canada, Brit. Columbia : Macoun. 
7. Grimmia arctophila Kindb. n. sp. ECRIRE 
_ Differs from @. alpestris in the leaves channelled, with 
involute margins above, appressed and blackish when dry, 
not glaucous when moist; hairpoint shorter. Capsule 
suboblong, long-exserted ; lid short-apiculate. Tufts about 
3 cent. high. | : 
Amer. Greenland: Berggren. Canada, Cypress hills : 
Macoun. : 
8. Grimmia procera Kindb. n. sp. (in litt. ad Macoun). 
G. pachyphylla Leiberg, bull. Tor. club 1893? ( « capsule 
rugose when dry»). MR d 
