— 288 — 
10.R.depressum Lesquereux. 
»Resembling the last. Leaves broadly ovate, lanceolate above, 
obtuse, sometimes slightly denticulate at apex; upper cells : 
broadly ovate. Capsule subcylindric immersed on a very short 
pedicel. Stem very long. — Amer. r. U. S.: Calif.: Bolender»: 
Lesq. et Jam. 
11.R.Maeounii Kindb. bull. Torr. club XVI. : 
Leaves long, subobtuse at apex, not recurved at base, crisped 
when dry; hairpoint none or indistinct; costa percurrent finally 
brown. Capsule suboval exserted; pedicel 0,5 c. m. long. Tufts 
finally rusty or reddish brown. -- Rocks and boulders in alp. 
region r. Amer. Can. Brit. Col. 2100 metr. a. sea: J. Macoun. 
bb. Leaves recurved nearly all around, long and acute; cells 
us. narrow. Peristomial teeth partite. Stem often with short 
nodose branchlets. : 
12.R.fasciculare Schrader. -- Bryum Schr.; Racomitrium Brid. 
Leaves nearly subulate-acuminate carinate us. (at least the 
upper) greenish; cells narrow; costa subpercurrent; hairpoint 
none. Stem with numerous short branchlets, us. long. Pedicel 
about 1 c. m. or shorter. Calyptra with wholly rough beak. 
— Rocks also in alps. Eur. not uncommon. Sweden, Norway, 
Switzerl, Spain! Amer. Can: J. Macoun; Waghorne. Alaska: 
‘J. M. Macoun. 
13.R.tenuinerve Kindb. revue bryol. 1896. : 
Leaves longer subulate than in the last, carinate, yellowish e 
green; cells narrow; costa faint vanishing far below apex; hair- —— 
point none. Stem long sometimes without short branchlets. - a 
Pedicel 0,5 c. m. long. Calyptra not seen. — Rocks r. Amer, — 
Pacif. distr. Can: J. Macoun. Alaska: J. M. Macoun. 
14.R.Palmeri Kindb. revue bryol. 1896. 
Leaves longer subulate than in R. fasciculare, blackish when — 
dry, the upper faintly crisped; cells narrow: costa percurrent = 
or subexcurrent; hairpoint none. Tufts dense 2—3 c. m: high. 
. Pedicel very short gen. immersed. Habit of Grimmia microcarpa. 
Arctic district r. Amer. Alaska: Palmer; J. M. Macoun. 
i5EJjenseni Kindb. L o — R. sudetioum var. papillosum 
Jensen. 
Leaves small broadly ovate-lanceolate acute, blackish and 
appressed when dry; the upper with short hairpoint; upper 
cells short; costa brown percurrent papillose. Capsules unknown. 
Tufts dense and low. Habit of Grimmia microcarpa. — Arctic 
district r. Amer, Greenl; P. Eberlin; com, C. Jensen. 
