— 242 — 
cells -short-rectangular, the. inner narrower, the alar brown; | 
costa scarcely percurrent. Capsule oblong; teeth reddish below, | 
yellowish in upper half; pedicel flexuous or arcuate’ when — 
young and moistened; calyptra not long. Spores about 0,01 m. - 
m. — Rocks and stonewalls. Eur. not r. in southern distr, © 
France, Switzerl.! Norway: R. Hartman. Spain: Levier. i 
2.B.Gardneri Lesquereux. — Ptychomitrium Lq.; Brachystelium 
Kindb. : po 
Differs from the last: Leaves wholly carinate gradually acu- - 
minate less distinctly plicate, falcate when moist; outer basal 
cells subquadrate. Capsule subcylindric; teeth blood-red; pe 
dicel not flexuous. — Rocks r. Amer. Pacif. distr. Can.: Ma- — 
coun. U. S: Howell and Henderson, com. Cardot. E 
II. Notarisia Hampe. dern 
neve Kunze. — Macromitrium Kunze; Brachystelium 
mdbion 
Leaves entire not involute, from short concave base contrac- d 
ted to the broad-subulate channelled or rear apex carinate — 
acumen, gen. acute; cells of acumen nearly opake, the margi- 
nal. basal often subquadrate; other basal cells rectangular also - 
pellucid, the inner not much narrower, the lowest larger often — 
yellowish prine. the alar; costa distinct nearly to apex. Cap: 
sule oblong with indistinct neck; pedicel rigid. Spores 0,02 ; 
m. m. — Rocks r. Eur. Portugal: Solms Laubach, com. Na- 
thorst (Teneriffa, com. Husnot), i em 
* B.Drummondii Hooker et Wilson. — Grimmia H. W. 
Brachystelium C. M.; Ptychomitrium Sull. ic. m. d 
. . Capsule oval. Leaves not reflexed at base, sometimes slightly 
sinuolate near apex. — Trees r. Amer. U. S. south. st.: Lang 
lois, com. Cardot. | di 
4.B.ineurvum Schwegrichen. — Weisia Schw.; Brachystelium - 
C. M.; Ptychomitrium: Sull. ic. m. reip 
Leaves entire, from short concave base contracted to the 
sublinear involute and at borders thickened acumen, gen, obtuse; 
cells of acumen opake, the lower basal rectangular hyaline; 
costa faint above. Capsule oval with short or indistinct neck; 
pedicel often curved when moistened. Spores about 0,01 m. m. 
Smaller than the last. — Rocks princ. of sandstone, r. Amer. 
x S: Fitzgerald, com. Renauld. »Can.: Macoun»: Lesq. 
am. EE 
* B.glyphomitrioides Balsamo. et Notaris. — Grimmia B. e 
N.; Brachysteleum C. M.; Ptychomitrium pusillum Br. eur. 
