aw Ml s 
3.C.stramineum Dickson. — Hypnum Dicks. 
Leaves oval-oblong nearly crowded or distant, smaller than 
in C. cordifolium, sometimes with red rhizoids at apex; cells 
gen. sublinear except the large red or hyaline alar and the 
often round-oval apical; costa more or less abbreviate. Capsule 
somewhat large; lid mamillate. Stem sparingly divided; bran- 
ches long not rigid. Tufts gen. pale green, sometimes whitish 
or brownish, not radiculose. Dioecious. — Peat-bogs. Eur. 
common. Sweden, Norway, Switzerl.| Amer. Can. not r.: Ma- 
coun; Moser; Waghorne. 
*C.laxifolium Kindb. n. subsp. 
Leaves narrower, very distant and longer decurrent; cells 
Wider; costa subpercurrent. — Amer. Greenl: Vanhoeffen. 
*C.nivale Lorentz. — Hypnum Lor.; Schimper. 
Leaves smaller and crowded, broadly oval-oblong, appressed 
when dry; cells often somewhat dilated. Branches us. whitish 
or yellowish green. —— Alpine bogs r. Eur. Norway! Austria: 
Lorentz. 
B. Leaves not decurrent. 
4.C.sarmentosum Wahlenberg. — Hypnum Wng. 
Leaves red or brown-red (r. green) somewhat small and 
crowded, narrowly ovate-oblong or oblong-lanceolate; cells linear 
except the short dark red near base and the larger alar; costa 
gen. red and subpercurrent. Capsule smaller than in C. cordi- 
folium; lid sometimes rostellate. Stem irregularly divided or 
Subpinnate with short branches. Dioecious. — Swamps princ. 
in alps, gen. r. Eur. Norway (common and not r. fruiting)! 
. Can.: Macoun; Waghorne. 
IL. Limnobion Kindb. 
5.C.palustre L. — Hypnum L. 
Leaves subovate often small, us. crowded, sometimes decurrent; 
cells sublinear (or the upper oblong-lanceolate) except the often 
orange-colored alar; costa variable, sometimes wanting. Stem- 
eaves obtusate subacute; branch-leaves gen. acute or short-acu- 
minate. Capsule not large often curved; lid acute or apiculate. 
Tufts us. dirty green. — In or near mostly running water, 
. Common. Eur. Sweden, Norway, Switzerl., Italy! Amer. Can.: 
oun; Moser. . 
III. Peeud-Acrocladium Kindb. : 
 S.Ceuspidatum L. — Hypnum L.; Acrocladium Lindb. 
tem-leaves broad-ovate obtuse or ovate-oblong subacute, 
Sübdeeurrent; upper cells oblong-lanceolate, middle linear, lower 
