— 398 — 
* A.alpestris Thedenius. ! 
Leaves. smaller. and. less. payillose, Gae o abitino: 
cells smaller. Perichetial leaves obtusate obtuse, Stem thinner 
Tufts .us. blackish. — Northern alps. r. Ewr. Norway! Amer. 
Can.:: Macoun. 
* A.papillosa Lindberg. 
Leaves very papillose often nearly subulate-acuminate; cells 
somewhat large. Perichetial leaves acute short-acuminate, Tufts 
often high and. blackish. — Princ. in arctic: distr: r. Eur. 
Norway! Spetsbergen: Berggren. Amer. »Greenl»: Lange: 
* A.subsparsifolia Kindb. n. subsp. ) 
Leaves gen.) long-acuminate: perichetial acute acuminate; célls 
not large. Tufts brown. somewhat high. — Eur. r. Norwap 
on rocks near Atlantic sea in Oerkedall 
* A.tenella Kindb. n. subsp. 
Leaves narrow long-acuminate often crenulate above, very 
small; cells. small as in 4. alpestris. Stem capillary. Tufts 
low blackish. — Alp. region r. Hur. Spaiu hoepide de éste. 
in Pyren. mts 1800 metr. a. seal 
* A.sparsifolia Zetterstedt. i 
. Leaves. distant gen. long-acuminate acute, also the ec 
tial. Tufts sometimes oliye-green, often somewhat high. — In 
alps r. Eur. Norway: Bryhn. Sweden: E. Nyman. 
* A.sublevis Kindb. note on Can. bryol. 1893 (as var.). 
Leaves, small distant spreading gen. nearly smooth:. meg id 
tial gen. acute long-acuminate.. Tufts low blackish brown: 
Amer. r. Can, Vane. isl: J. M; Macoun. 
5.A.parvifolia C. Mueller in Flora 1887. 
. »Plant. very. small.. Leaves. minute from. oval bivehtrigpse 
base narrowed to a suboblong round-obtuse acumen, very. pa- 
pillose: perichetial subobtusate. or acuminate. Capsule minute; 
pedicel very short. Dioecious. s~ Arctie distr. r. Amer. Alaska»: 
. M. g | pO) 
2... Nivales. | 
A. Leaves papillose on whole lamina, not densely crowded; 
more or less crisped. Tufts loose and high when sterile. 
6.A.nivalis Hooker. i 
Leaves ovate-lanceolate graduall y narrowed to the vvbulata 
acumen, papillose princ. at borders; costa not orslightly excur: 
rent. Tufts. us. blackish or black-red when dry..— Wet.sand 
on alp. often inundated rocks r. Euri- Norway! Sweden: E. 
Adlerz. France: Zetterstedt. Austria; Husnot m. Gall. 
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