BARNES NOETH AMERICAN MOSSES. 219 



to determine their position. B. leucolomatum C. M. & Kindb., 300; B. 

 alpiniforme Kindb., 310; B. Floridanum, R. & C., 320; B. erythro- 

 phyllum Kindb., 326; B. erythrophylloides Kindb., 327; B. denticula- 

 tum Kindb., 332; B. hydrophyllum Kindb., 333; B. hcematophyllum 

 Kindb., 340; B. oligochloron C. M. and Kindb., 341; B. microcephalum 

 C. M. & Kindb., 342; B. pygmceo-alpinum C. M. & Kindb., 343. Two 

 other species, B. Baueri Hampe (California) and B. Wrightii Sull. 

 (Behring Straits) are listed by Ren. & Card. 



ZIERIA, p. 240. 



Costa vanishing, collum twice sporangium ... Z. julacea, 240. 



Costa excurrent, collum = sporangium "-. . . Z. demissa, 241. 



MNIUM, p. 241. 



I. Leaves serrate. 



A. Teeth of leaves single. 



Stems dendroid . . . . . . . M. Menziesii, 249. 



Stems simple or branched, not dendroid. 

 Basilar branches stoloniform. 

 Leaves acuminate, serrate to middle, lid convex or 



mamillate, membrane of endostome lacunose M. cusp i datum, 1 242. 

 Leaves acuminate, serrate to base. 

 Lidapiculate ... \ . . . . M. medium, 242. 



Lid mammiform ... . . . M. afflne, 244. 

 Leaves rounded at apex, mucronate, lid rostrate M. rostratum, 243. 

 Basilar branches erect, or stems simple. 



Capsule warty-papillose at base ,. . M. Tenustum, 8 242. 

 Capsule smooth at base. 



Leaves nearly entire not decurrent . M. afflne rngicum, 244. 

 Leaves serrate to base, long decurrent . . M. insigne, 8 244. 

 Leaves serrate above, entire below. 



Border distinct, yellowish-brown or red. 



Capsules clustered (2-3), leaf cells large and rect- 

 angular at the base M. Drnmmondii, 243. 

 Capsules solitary, leaf cells uniform . . M. Blyttii, 353. 

 Border none or faint . ... . . ., . M. stellare, 247. 



1 See Appendix, no. 345. 



2 M. macrociliare is insufficiently distinguished by Mullet from this species. See Ap- 

 pendix, no. 346. 



3 See Appendix, no. 347. 



