i AA ee 
1.T.leucocladulam C. M. — Hypnum C. M. 1. c. T 
Leaves pellucid, recurved below middle; cells small short, | 
alar dusky numerous. Stem-leaves entire below acumen, gen. ovate- | 
oblong long-acuminate; cells gen. narrow.  Branch-leaves sub- E 
ovate smaller; cells gen. oval-oblong. Perichetial leaves sharply |. 
serrate. Capsule small cylindric-oval suberect; endostome without : 
basal. membrane; lid conic acute; pedicel short.  Perigonial s 
leaves entire broad-oval obtuse. Stem pinnate; branches slender - 
julaceous, — Amer. Western distr. r. U. S.: Harwey, com. C. . 
Mueller; Leiberg, com. Roell. 
2,T.eompressulum C. Mueller |. c. " 
Differs from the last: Leaves subovate gen. short-acuminate, | 
those of stem faintly denticulate nearly all around. Stem- irre- 
gularly divided. »Capsule cernuous narrowly cylindric»: C. M. — 
— Amer. Pacif. distr. r. U, S. Neeve, com. C. Mueller. : 
B. Leaves gen. entire, only those of branches faintly denti- — 
culate near apex. Capsules unknown. P 
3.T.rupestre Kindb. cat. Can. m. — Platygyrium Kindb. bull. — 
Torr. club XVII. * 
Leaves gen. subovate. Stem irregularly divided. Tufts in- - 
tricate. — Differs from the both last: Stem-leaves more broadly . 
revolute to above. middle; branch-leaves often obtusate acute; 2 
alar cells more numerous. — Rocks r. Amer. Can. Brit... Col: T 
Macoun. Y: 
Fam. 11. Climaciacee. 
34. Climacium Weber et Mohr. 
1.C.dendroides L. — Hypnum L.; Climacium W. M. [o 
Stem-leaves broadly ovate-oblong apiculate entire not decurrent. ke 
Branch-leaves ovate-lanceolate obtuse with subcordate base, den- a 
ticulate above middle, sharply dentate at apex; upper cells . 
linearanceolate, lowest. inner basal shorter and wider, alar and . 
lower basal us, red-brown.  Perichetial leaves costate. Capsule — 
cylindrie not long; teeth purplish brown; lid with not long 
beak. Less often fruiting. — Wet meadows and rocks r. on - 
trees or in water. Eur. common! Amer. r. Can. Maecoun. U.8: | 
Henry, com. Cardot. | td 
In a variety, floating in water, stem is irregularly divided. | 
Eur. Sweden: E. Nyman. | 
In an other variety (forma depauperata Boulay?), growing on. 
trees, the naked part of stem is nearly indistinct, leaves are — 
densely appressed when dry, their alar cells hyaline. Eur. : 
Norway near Lillehammer! 
