— 238 — 



10.R.dopreS8Tim Lesquereux. 



^Resembling the last. Leaves broadly ovate, lanceolate above, 

 obtuse, sometimes slightly denticulate at apex; upper cells 

 broadly ovate. Capsule subeylindric immersed on a very short 

 pedicel. Stem very long. — Amer. i: U. S.: Calif.: Bolsenders: 

 Lesq. et Jam. 

 ll.R.Macounii 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. 

 IS.R.tenuinerve Kindb. revue bryol. 1896. 



Leaves longer subulate than in the last, carinate, yellowish 

 green; cells narrow; costa faint vanishing far below apex; hair- 

 point none. Stem long sometimes without short branchlets. 

 Pedicel 0,5 c. m. long. Calyptra not seen. — Rocks r. Amer. 

 Pacif. distr. Can.: J. Macoun. Alaska: J. M. Macoun. 

 U.R.Palmeri Kindb. revue bryol. 1896. 



Leaves longer subulate than in B. fasdculare, blackish when 

 dry, the upper faintly crisped; cells narrow; costa percurrent 

 or Bubexcurrent; hairpoint none. Tufts dense 2 — 3 c. m. high. 

 Pedicel very short gen. immersed. Habit of Orimmia microcarpa. 

 Arctic district r. Amer. Alaska: Palmer; J. M. Macoun. 

 IS.R.Jenseni Kindb. 1. c. — R. sudeticum 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 Qrimmia microcarpa. — Arctic 

 district r. Amer. Greenl.; P. Eberlin, com. C. Jensen. 



