— 262 — 
Upper leaves from sheathing base tapering to a longer and - 
narrow subulate or at apex obtuse entire acumen; crisped; - 
basal cells rectangular; costa nearly filling the acumen but not — 
excurrent. Capsule oval-oblong erect; lid much shorter; teeth — 
half-twisted; pedicel red below, yellow above. Stem short not . 
or loosely tufted. Sterile plants with smaller sublinear or . 
ovate-oblong obtuse leaves. -— Calcareous rocks and sandy soil - 
in warmer districts r. Eur. Italy: Giordano, com. Bottini. — 
Spain: Hegelmaier, com. C. Mueller. Amer. U. S. Massachusetts: 
Boll, com. C. M. Can. Brit. Col.: Macoun. = 
69.B.maerostegia Sullivant. — Trichostomum Sull. icon. muscor. — 
(not mentionned in Lesq. et J. man.) Barbula: Kindb. 
- Differs from the last: Leaves abruptly tapering to a some- - 
what broad but attenuate obtusate acute and near apex denti- — 
culate acumen. Capsule cylindric inclined or faintly curved; - 
lid longer; teeth (as in B. corsica and B. sparsidens) spreading — 
above. — Amer. r. »U. $.»: Sullivant. em 
if 4. Pseudo-Didymodon Kindb. 
: a. Acutseformes. i iu 
A. Peristome wanting; annulus revoluble. Leaves faintly - 
papillose, straight when moist. one 
70.B.rubiginosa Mitten. E 
. Leaves ovate-oblong or broadly ovate-lanceolate reflexed — 
below, not appressed; cells short; costa scarcely excurrent. Pe- - 
richetial leaves from ovate-oblong base tapering to.a sublinear by — 
costa not wholly (in lower part) filled point. Capsulesuboblong - 
pale brown; pedicel not long. Tufts, greenish somewhat dense - 
not high. — Amer. r. U. S. Pacif. distr. Henderson, com 
Cardot. 
* B.subiemadophila C. M. et Kindb. l. c - w 
Leaves subpellucid above; more spreading when moist; thé 
perichetial with shorter base. Peristome and annulus not seen. 
— Amer. r. Can. Brit. Col.: Macoun. — 
71.B.melanocarpa C. M. et Kindb. 1. c. inde: 
Differs from. B. rubiginosa: Leaves blackish brown appressed 
when dry; costa more distinctly excurrent. Capsule dark brow? — 
finally blackish; pedicel very long. Tufts loose. Fruiting stem — 
very short. — Rocks r. Amer. Can. Brit. Col: Macoun. 
B. Peristome contorted. oc 
a, Leaves smooth straight when moist. Peristome Once 
contorted; annulus us. indistinct. idogu EP 
