— 135 — 



VI. Campylophyllum Schimper. 

 SO.H.Halleri L. fil. — H. Macounii Kindb. bull. Torr. club 

 XVII. 



Leaves faintly denticulate nearly all around, from suboval 

 suberect recurved base acuminate; alar cells not numerous, the 

 others oblong-lanceolate or sublinear. Branch-leaves more distinctly 

 denticulate. Capsule small narrow cylindric more or less curved, 

 faintly constricted; lid obtuse; pedicel not long. Tufts dense 

 often brown. — Rocks princ. calcareous. Eiir. nearly common 

 in dolomitic alps. Sweden, Norway, Switzerl.l Amer. r. Can.: 

 Macoun; Drummond. N. Foundl.: Waghorne. 



VII. Drepanium Schimper, in part. 



A. Leaves finally yellow at insertion. 



a. Leaves decurrent falcate not undulate. 

 Sl.H.curvifolium Hedwig; Sullivant icon. muse. 



Leaves nearly entire, faintly striate; alar and lowest basal 

 cells nearly uniform more or less dilated but not large, the 

 others linear. Stem-leaves subovate short-acuminate; branch- 

 leaves ovate-oblong or ovate-lanceolate acuminate acute. Capsule 

 large subobovate or arcuate, strongly striate and not strangu- 

 late when dry; teeth yellow; cilia not appendiculate; pedicel 

 thick, 5 — 6 c. m, long. Stem gen. pinnate, not or very spa- 

 ringly radiculose; branches straight faintly compressed. Tufts 

 green. Pseudo-monoecious not r. fruiting. — On decayed logs 

 in shady woods. Amer. common. Can.: Macoun; Moser. U. 

 S.: SuUivant, com. C. Mueller; Fitzgerald, com. Renauld. 

 32.H.pseudo-(lrepanium C. M. et Kindb. cat. Can. m. 



Differs from the last: Leaves entire plicate less distinctly 

 decurrent, shorter acuminate; alar cells large. Stem irregularly 

 divided; branches long turgid arcuate at apex. Capsule as in 

 the last. — Logs in vtfoods r. Amer. Can.: Macoun. 

 SS.H.Benauldi Kindb. cat. Canad. m. 



Differs from H. curvifolium: Leaves gen. entire; alar cells 

 large. Stem not pinnate; branches more compressed or com- 

 planate. Capsule faintly striate. Habit of H. pratense. — On 

 rocks or sand r. Eur. Norway in Dovrefjeld and Gudbrands- 

 dal etc.! Amer. Can.: Macoun. 



lb. Leaves not or slightly decurrent, often undulate and 

 straight; lowest basal cells suboval nearly similar. 

 34.H.pratense Koch. 



Leaves gen. entire and not striate, often straight, less crowded 

 than in H. curvifolium, undulate when dry; cells linear except 



