CRYPTOGAMIA. MUSCI. Bryum 
1047 
at first, but every year sending 1 out branches after the flowering season. 
Leaves broad at the base, and keeled. Barren flower terminal. Hedw. 
Grows in dense tufts. Stems slender, half to one inch high, dividing into 
branches. Leaves very slender, pale green, upper leaves bent back. 
Dill. 
(Deciduous Thread-moss. B. imherbe. Linn. Huds. With. Tortula 
imberbis. Sm. E.) Sandy heaths, ditch-banks, and walls. 
A. March—April. 
B. unguicula'tum. Capsules oblong: lid taper-pointed, slanting: 
leaves strap-spear-shaped, keeled. Huds. 
Licks. II. £.— (E. Bot. 2316— Muse. Brit. xii. E.)— Bill. 48. 47— Buxb. ii. 
2. 9. 
Shoots forming patches about half an inch high; sometimes branched. 
Leaves open, near a line in length and a quarter in breadth. Fruit-stalks 
terminal. Veil smooth, reaching but half-way down the capsule. Pol. 
Leaves green, keeled, opake. Capsules oblong, thickest at the base, green, 
changing to brown. Dill. 
(Bird’s-claw Thread-moss. Tortula unguiculata. Sm. Hook. Barbula 
unguiculata. Hedw. Dill., in which also Drs. Hooker and Taylor com¬ 
prehend Tortula mucronulata, ( B. mucronulatum. Dicks. With. E. Bot. 
1299. T. aristata. E. Bot. 2393. T. barbata. E. Bot. 2391. T.humilis. 
E. Bot. 1663. T. apiculata. E. Bot. 2494; and T'. ericetorum. E. Bot. 
2495, ( B. ericetorum. With. Dill. 45. 13.) “We are led to include 
so great a number of synonyms under the above species from a careful 
examination of the descriptions and figures, as well as of authentic 
specimens. It is a plant which, growing in almost every variety of soil 
and situation, is subject to alter considerably in appearance. The form 
of the leaf, however, we find to be tolerably constant.” Muse. Brit. E.) 
Walls and sandy places; (banks and hedges, frequent. E.) 
A. March—April. 
B. tortuo'sum. Capsules cylindrical: lid beaked: shoots branched: 
leaves spear-strap-shaped, serrated, waved, curled when dry. 
(E. Bot. 1709— Muse. Brit. xii. E.)— Bill. 48. 40— Hall. Enum. 4. 2, atp. 
118, Hist. 45. 2, at ii. p. 41— FI. Ban. 880. 1— Scheuch. It. ii. 19. 5— Pet. 
Gaz. 65. 8. 
Grows in dense crip patches. Shoots upright, adhering together. Leaves 
a line or one and a half line long. Fruit-stalks from the forks of the 
branches, straight, three to seven lines long, closely clasped at the base 
by the involucrum. Capsules cylindrical, smooth. Bing none. Mouth 
fringed. Lid awl-shaped, straight. Veil smooth, extending but half¬ 
way down. Pol. One to one and a half inch high, somewhat branched. 
Leaves very numerous, slender, crooked, curled when dry, fine green, 
dull yellow when old. Veil slender, pale green, changing to brown. 
Capsules nut-coloured when ripe. Dill. (The widely serrated leaves are 
curiously hygrometrical, as may be observed under the microscope after 
maceration. Mr. Oade Roberts. 
Twisted Thread-moss. Tortula tortuosa. Hedw. Sm. Turn. Hook. 
Grev. Muse. Brit. Barbula tortuosa. Schwaegr. Heaths, rocks on 
mountains, and woods. On a bushy hill half a mile from Gam, called 
Coed Mowr. Mr. Griffith. (Ebworth wood, near Painswick. Mr. O. 
Roberts. E.) P, Aug.—Nov. 
