— 176 — 



Tufts us. not high. Monoecious. — On trees in tropical di- 

 stricts. Amer. U. S., Florida: Fitzgerald, com. Renauld. 

 84. Leucobryum Hampe. 



A. Leaves thick entire; marginal cells gen. short-rectangular, 

 the lowest longer. 



l.L.glauciim L. — Bryum L.; Leucobryum Schimper. 



Leaves from oval-oblong concave or channelled base gradually 

 tapering to a longer sublinear channelled or subconvolute acu- 

 men, not appressed when dry, patent when moist. Capsule 

 oblong-cylindric often arcuate, more or less distinctly strumose, 

 sulcate when dry. Plants glaucous green or whitish. Dioecious 

 r. fruiting. — Wet heaths and woods common. Eur. Sweden, 

 Switzerl.l Amer. Can.: Macoun. U. S.: Wetherby. 

 2.L.minus Sulliyaut; Bescherelle. 



Differs from the last: Upper leaves very much smaller and 

 shorter with broad-oval base and not longer acumen, appressed 

 when dry with patent points, suberect when moist. Capsule 

 small suboval. Plants whitish. — Princ. on rotten wet logs 

 r. Amer. U. S.: Fitzgerald, com. Renauld; Langlois and Sawyer, 

 com. Cardot. Eur. »Engl. »: Braithwaite. 



B. Leaves thin sinuolate; marginal cells long-rectangular. 

 S.L.Leanuni Sullivant. — Campylopus SuU. ic. m.; Leucobryum 

 Kindb. 



Leaves from narrowly oblong base tapering to a subulate 

 near apex sinuolate, channelled or convolute acumen, erect- 

 patent. Stem often with head-like shoots; their leaves small 

 oval-oblong or linear. Tufts low glaucous or whitish. Cap- 

 sules unknown. — Decayed logs r. Amer. U. S.: Purpus, com. 

 Cardot. 



85. Distichium Bruch et Schimper. 

 l.D.capillaceum Swartz- — Mnium Sw.; Distichium B. S. 



Nearly all leaves long-pointed; perichetial also abruptly nar- 

 rowed. Capsule reddish subcylindric or oblong gen. erect; teeth 

 pale red. Tufts glossy. — Rocks princ. of limestone. Eur. 

 nearly common. Sweden, Norway, Switzerl.l Amer. Can.: Ma- 

 coun; \\'aghorne. 

 2.D.mcliiiatum Ehrhart. — Swartzia E,; Distichium B. S. 



Lower leaves with shorter point; perichetial more gradually 

 acuminate. Capsule suboval finally red-brown, more or less 

 inclined; teeth red. Tufts less or not glossy. — Rocks princ. 

 in alp. and northern districts. Eur. not r. Norway, Switzerl.l 

 France: Husnot. Amer. Can.: Macoun; Waghorne. 



