CRYPTOGAMIA. MUSCL Bryum. 
1033 
(Red-necked Thread-moss. E.) Dicranum cerviculatum. Hedw. Turn. 
Sm. Hook. On bogs and moist banks. 
(Messrs. Hooker and Taylor have reduced to this species B. parvulum. 
Hicks. With. £f Scarcely a line in height. Leaves concave and dilated 
at the base, fine green, without a mid-rib. Fruit-stalk yellow green. 
Capsule egg-shaped. Beak long, slanting, reddish at the base.” Dicra¬ 
num pusillum . E. Bot. 2491. Also Dicranum nncinatum. E. Bot. 2261. 
E.) 
B. PALUDo'suM. Capsule very blunt, mouth wide: leaves bristle-* 
shaped. 
( E. Bot. 2551— Muse. Brit. xv. E.)— Dill. 49. 53. 
Differs from B. viridulum in its brown capsules, and the leaves not curling 
when dry. Linn. Extremely small, only observable from its growing in 
a quantity together. Leaves minute, hair-Jike, but expanding. Bruit-stalk 
terminal, two or three lines long. Capsules egg-shaped. Mouth wide, 
minutely fringed. Veil slender, upright. Differs from B. virens in the 
darker green of its leaves, their being more slender, not curling when 
dry, and in having smaller capsules. Weis. Leaves very slender, 
scarce sensibly broad, soft, dull, green. Capsules, lid deciduous, leaving 
large opening for the size of the capsule. Dill. Differs from B. viridulum 
in the leaves , which, though bristle-shaped, are broad at the base, the 
mid-rib only visible in the broader part; fruit-stalk twisting when 
moistened; capsule egg-shaped, with an orifice equal to its greatest 
diameter. Grif. 
(Diminutive Thread-moss. Grimmia pusilla. Roth.Sm. Weissia pusilla. 
Hedw. Hook. E.) In sandy marshes and turfy ground in Yorkshire. 
Richardson, in Dill. 387. Moist rocks, and sometimes decayed wood in 
damp shady places. Lightfoot. On stones and roots of trees in damp 
situations in Garn dingle, Denbighshire, particularly on sand stones by 
the petrifying-spring. Mr. Griffith. A. March—May. 
(In Muse. Brit, some doubt is entertained whether the true plant of this 
species has been found by any one but Mr. Templeton, (on limestone 
rocks in the neighbourhood of Belfast,) and with which the Dillenian 
figures do not accord. E.) 
( Dicranum Celsii. Hedw. FI. Brit. E.) On rocks on the Highland moun¬ 
tains. Dickson. 
B. ri'gidum. Capsules oblong: shoot very short : edges of the leaves 
turned in. 
Hedw. Stirp. i. 2 5-—(Muse. Brit. xii. E.)— E.Bot. ISO—Dill. 49. 55. 
Stems very short. Leaves very entire, bluntish, flat above, convex under¬ 
neath, naked. Fruit-stalk terminal, solitary, upright, half an inch long, 
purple. Veil conical, pale. Capsules fringed, smooth. Lid taper- 
pointed, purple at the base, half as long as the capsule. Huds. Fertile 
plant always taller and slenderer than the barren plant, but both of 
them short and thick. Fringe red, composed of thirty-two long slender 
filaments, spirally twisted together when moist. Hedw. Leaves stiff, 
like those of heath. Dill. 
(Rigid Thread-moss. B. rigidum. Huds. Barbula rigida. Hedw. 
Tor tula rig ida. Sw. Turn. Sm. Hook. Grev. Moist rocks near Wigmore, 
Herefordshire. Brown, in Dill. On Ingleborough,. Yorkshire. Hudson* 
