— 279 — 
reflexed below, straight when moist; nearly all cells: quadrate; 
costa short-excurrent or percurrent. Capsules unknown. Habit 
of the last. — Amer. r. U. S.: Roell, com. Brotherus. 
b. Leaves mamillose nearly appressed. when dry, Tufts 
. us. red-brown, often high and very large. 
. 81.D.rufus Lorentz. — Barbula Juratzka. 
Leaves from ovate or ovate-lanceolate base gradually acuminate 
acute, faintly reflexed to above middle; nearly all cells short; 
costa. percurrent. Capsules unknown. — Alp. rocks r. Hur. 
Austria: Breidler. Switzerl.: Pfeffer. Norway: Zetterstedt; Ha- 
gen; E. Nyman. Amer. »Greenl,: Berggren. ; 
VI. Leptodontium Hampe. 
E "UAI" UDeavég broadly limbate all around by pale cells, denti- 
. culate nearly all around, papillose. 
32.D.reeurvifolius Taylor. — Bryum Tayl.; Didymodon Wilson. 
Leaves ovate-oblong obtusate subobtuse not reflexed, sprea- 
ding when moist; costa short-excurrent. Capsules unknown. 
Tufts blackish brown 2-—10 e. m, high. — Wet rocks r. Eur. 
Engl.: Holt. i 
B. Leaves not or indistinctly limbate, entire below middle. 
= @.. Leaves papillose and reflexed; costa not percurrent. i 
. 88.D.flexifolius Dickson. — Bryum Dicks.; Didymodon .Hoo- 
ker et Taylor. . : 
Leaves oval-oblong or lingulate, obtusate acute or apiculate, 
. dentate above middle or in upper third, reflexed at both sides, 
. Spreading when moist. Capsule cylindric; teeth fugacious some- 
times entire; pedicel pale yellow. Stem 1—3 c. m. high. — 
Bare gravelly and turfy places in warmer districts r. Eur. 
Engl: Boswell: France: Husnot. - 
94.D.styriaeus Juratzka. 
Differs from the last: Leaves narrower, sparingly dentate near 
. &pex, reflexed at one side, patent when moist; lower basal cells 
. Een. wider. Capsules unknown. — Alp. rocks r. Eur. Austria: 
Breidler. te | 
b. Leaves papillose not reflexed; costa sometimes excurrent. 
35.D.gemmaseens Mitten. — Leptodontium Braithwaite: »Strep- 
topogon Mitten»: Braithw. | : 
Leaves broadly ovate-lanceolate acuminate acute, distantly 
tate above, spreading or claviculiform when moist; costa 
Short-excurrent with propagula at apex. Stem 2—5 c. m. 
high. Capsules unknown. — »On thatched roofs» r. Eur. 
l.: Davies, com. W. H. Pearson. LH oma 
