Heldreich. France: Corbiére. Amer. Pacif. distr. Can.: Macoun. 
U. S: Marshall A. Howe; Roell. hiroh fi 
* B.obeonicum Hornschuch. l 
Leaves nearly entire not rosulate. Capsule. less: large. — 
Walls and sandstone rocks r.- Eur. Switzerl.! Engl: Curnow, 
com. Holt. Amer. Can. Pacif. distr.: Macoun. 
* B.floridanum Renauld et Cardot. Jio 
»Leaves shorter, narrower limbate not recurved. — Amer. 
r. U. S.»: Cardot. iih 
44.B.squarrosum Kindb. in Hedwigia 1896 p. 66. 
Fruiting stem very short; leaves crowded :denticulate, less 
distinctly limbate. Leaves of sterile stems (shoots). broadly. 
limbate gen. denticulate, distant decurrent spreading also when 
dry. Capsule not large. Tufts reddish brown. — Amer. r. 
U. S. Oregon near Astoria: Roell. 
€. Leaves short narrowly .limbate. Tufts low and dense. 
Dioecious. 3; ; 
: aa. Leaves imbricate somewhat large, very concave. 
45.B.elegans Esenbeck. £65 
.Leaves subobovate not or indistinctly recurved, only the 
upper limbate denticulate; cells subrhombiec. .Capsule large. 
Tufts green or finally reddish. — Calcareous rocks princ. in 
alps r. Eur. Switzerl. in alp. region! a 
b. Leaves small us. not imbricate; cells gen. oblong-rhombic. 
46.B.oreganum Sullivant; Lesq. et Jam. l 
.. . Leaves twisted: lower few very small; upper glomerate sub- 
ovate abruptly acuminate, sometimes recurved. Tufts brown 
or finally reddish, very low. — Amer. r. Can. Brit. Col.: Macoun. 
47.B.streptophyllum Kindb. n. sp. 9 
. Differs from the last: All leaves crowded nearly uniform: 
upper not larger and not recurved, very concave. Tufts green 
finally brown, less low. Capsules unknown. — Amer. r. Can. 
Brit. Col: Macoun. a 
48.B.trichophorum Kindb. n. sp. mur od 
Leaves obtusate appressed neither recurved nor twisted: lower 
distant linear-oblong acute, upper crowded suboval. Tufts green. 
Capsules unknown. — Amer. r. Can. Vane. isl. near sea: Ma- 
eoun 1893. b a E 
B. Leaves not distinctly limbate. Capp y Bolia 
a. Leaves, princ. the lower of stem, gen. sublingulate. with 
long.narrow base, as in B. capillare, us. twisted and crowded. 
Dioecious. idis cose hires“ 4 own 10519 ain 
