— 336 — 



subulate thickened at the doublj' dentate margins, flexuous 

 when dry, nearly straight when moist; costa short-excurrent. 

 Outer perichetial leaves short simply dentate; costa long-excur- 

 rent. Capsule subobovate faintly curved; lid with short red 

 beak; teeth brown, pale at apex; endostome yellow; cilia short- 

 appendiculate; pedicel subbasilar pale red very long. Tufts 

 tomentose below, often high. Synoecious. Habit of Hypnacew 

 in capsule and its lateral pedicel. — Swamps in subtropical 

 districts. Amer. U. S.: Fitzgerald, com. Kenauld (Cuba: Wright, 

 com. C. Mueller). 



150. Timmia Hedwig. 



A. Sheath of leaves "with finally red-brown cells; costa us. 

 dentate at back. Dioecious. 



1 .T.anstriaca Hedwig. 



Leaves from broad sheath abruptly narrowed to the sublan- 

 ceolate in upper half serrate gen. obtuse and faintly involute 

 lamina, not or loosely appressed when dry. Capsule sulcate 

 when dry; cilia not appendiculate; lid apiculate. — Shaded 

 often dry rocks. Eur. not r. Sweden, Norway, Switzerl.! Amer. 

 r. Can.: Macoun. 

 2.T.arctica Kindb. in botan. notiser 1898. 



Leaves above sheath tapering to the broad-lanceolate obtuse 

 entire or to Y5 faintly denticulate not much narrower and 

 scarcely involute lamina, impressed at both sides above sheath, 

 appressed when dry and not much open when moist, much 

 smaller than in the last; costa nearly smooth. Stems not or 

 loosely tufted, about 3 — 4 c. m. high. Capsules unknown. — 

 Swamps in arctic districts r. Eur. Spetsbergen: R. Gyllencreutz 

 1883. Amer. »Greenl,»: Berggren. 



B. Sheath of leaves with pale either hyaline or (in elder 

 leaves) pale brown cells; costa not dentate. 



a. Lower leaves short gen. obtusate. Dioecious very r. frui- 

 ting. Tufts pale green. » Cilia not appendiculate » : Juratzka. 

 S.T.norvegica Zetterstedt. 



Upper leaves channelled longer acuminate, entire or indistinctly 

 denticulate in lower half; elder fiheath-ceUs partly pale brown. 

 — Wet alp. rocks r. Eur. Norway, Switzerl.! Spetsbergen :^R. 

 Gyllencreutz. Amer. Can. Rocky mts: Macoun. 



b. Cilia appendiculate. Leaves acuminate not short. Monoe- 

 cious. Tufts brown below, green above. 

 4.T.megapolitana Hedwig. 



Leaves channelled serrate in whole lamina; nearly all broadly 



