BARNES NORTH AMERICAN MOSSES. 343 



462. Brachythecium mamilligerum Kindb. Sub-species of B. sale- 

 brosum: monoicous: tufts very dense, radiculose: stem sub-pinnate: leaves 

 very patent when dry, striate, long, narrowly ovate-lanceolate often filiform 

 pointed; borders not or narrowly recurved, faintly serrate; alar cells few; 

 costa generally vanishing in middle, sometimes longer; perichsetial leaves 

 long aristate: capsule sub-oval, curved; segments narrowly rimose, not 

 open; cilia nodose, not appendiculate; annulus none; lid mamillate. 

 Mac. Cat. 192. On old wet logs: Sicamous, B. C. 



463. Brachythecium salebrosum turgidum Hartm. Habit of B 

 glareosum : ^branches long, sericeous-yellow, leaves appressed, entire. 

 Hartm, Skand. Fl. 2: 16. 1871. In peat bogs: Stephen, Rocky Mts.; 

 Greenland. 



464. Brachythecium pseudo-albicans Kindb. Differs from B. albi- 

 cans in leaves looser, sub-distichous, shorter acuminate, faintly striate, 

 denticulate all around; alar cells greater, all basal cells finally reddish i 

 barren. Mac. Cat. 194. On earth in woods: Vancouver Island. 



465. Brachythecium spurio-acuminatum C. M. & Kindb. Differs 

 from B. acuminatum in tufts lax, loosely adhering to substratum: leaves 

 denticulate, recurved at borders nearly all around; alar cells still more 

 numerous and very chlorophyllose; perichaetial leaves subulate-acuminate, 

 not filiform pointed: inflorescence monoicous. Mac. Cat. 191. On logs 

 in woods: Ontario. 



466. Brachythecium erythrorrbizon Sch. Monoicous: intricate ces- 

 pitose: stems"creeping, divided, strongly radiculose; branches ascending 

 incurved; branchlets short: leaves crowded, laxly imbricate, younger se- 

 cund, broad ovate-lanceolate, long acuminate, unequally broad sulcate^ 

 perichaetial leaves loosely imbricate: capsule cernuous short-ovate, in- 

 curved. Schimp. Syn. 2: 646. Washington. 



467. Brachythecium sub-erythrorrhizon Ren. & Card. Monoicoust 

 intricate-cespitose, yellowish green, facies of B. velutinum: stems creep- 

 ing, radiculose, sparingly branching, branches procumbent: leaves sub- 

 homomallous, oblong-lanceolate, long narrowly acuminate, bi-tri-plicate, 

 sharply serrate all around; borders plane or partly re volute; costa vanish- 

 ing above middle, sometimes forked and shorter; cells rather loose, pellu- 

 cid, rhomboideal linear, alar quadrate sub-obscure; perichaetial bracts lanc- 

 eolate, long acuminate-subulate, acumen serrate: seta smooth, reddish; 

 capsule sub-erect, turgid ovate, not or scarcely constricted below mouth 

 when dry; lid unknown; teeth of peristome yellowish, triangular-lanceolate; 

 segments narrow, split along divisural line; cilia lor 2, long, filiform. Bot. 

 Gaz. 19: 238, 1894. Colorado. 



468. Brachythecium pseudo-collinum Kindb. Agrees with B.collinum 

 in pinnate and creeping stem: decurrent leaves denticulate all around: short 

 sub-oval capsule and smooth pedicel: differs in stems julaceous: leaves 



