20 | REVUE BRYOLOGIQUE 
Stems densely tufted, 2-3 cent. Habit of Grimmia micro- 
carpa (Gmel.) Lindb. (A. sudeticum Br. Eur.). 
Amer. Arctic district, r. Alaska: Palmer; J. M. Macoun. 
14. Racomitrium Jenseni Kindb. n. sp. R. sudeticum 
var. papillosum C. Jensen ; Lange, Groenl. f1. 
Leaves blackish when dry, small, faintly papillose, 
broadly ovate-lanceolate and acute, appressed when dry ; 
the upper ones with a short hairpoint; upper cells short; 
costa brown, percurrent and papillose. Capsules unknown. 
Stems short, densely tufted, without nodose branches. 
Habit of Grimmia microcarpa (Gmel.) Lindb. | 
Amer. Groenland: P. Eberlin, com. C. Jensen. 
15. Seligeria tristichoides Kindb. n. sp. : 
= Leaves broader than in S. #risticha; costa not distinctly 
“excurrent. Perichetial leaves abruptly narrowed ; costa 
percurrent or short-excurrent. 
Eur. Norway, northern district : Arnell and Schlegel ; 
E. Nyman. 
46. Ceratodon Columbiæ Kindb. n. sp. 
_ Leaves narrowly ovate-lanceolate, subulate-acuminate , 
reflexed below the somewhat long, serrulate acumen; costa 
 mostly excurrent. Inner perichetial leaves (2 or 3) with a 
mewhat long, linear or lingulate acumen. Capsule curved 
when dry; teeth with numerous articulations, broadly 
marginate; lid short-conic, obtuse or subconvex ; pedicel 
red. Outer perigonial leaves with a long-excurrent costa. 
. Monoecious. 
Amer. r. Canada, British Columbia : Macoun. 
In the common C. purpureus are the leaves shorter and 
not distinctly subulate, entire or slightly denticulate near 
the apex ; the inner perichetial leaves obtusaie or short- 
_acuminate, the lid elongate-conic ; outer perigonial leaves 
. with scarcely excurrent costa; inflorescence dioecious. 
17. Didymodon (Erythrophyllum) subruber Kindb. n.Sp. 
Agrees with D. rubellus (Hoffm.) Br. et Schp. in the 
shape of the leaves, with D. ruber Jur. in the leaves often 
_dentate, the perichetial ones long-subulate and not recur 
_ved ; differs from both in the capsule curved and the lid 
 longer-rostellate. Dioecious. 
Rocks. 4er. Canada, Brit. Columbia : Macoun. 
_ 18. Weisia (Gyroweisia) pusilla Kindb. n. sp. « Gymt- 
nostomum tenue from Owen Sound » : cat. Canad. M. 
. Leaves short, sublinear and obtusate, subacute and not 
arrounded at apex, often curved when moist. Perichetial 
leaves neither larger nor sheating, the inner one shorte 
and subovate. Capsule oblong, not longer than the beak 
_peristome none or rudimentary; annulus broad, not revo- 
luble. Resembles W. {enuis (Schrad:.) GC. Müll. ia the si 
