1032 CRYPTOGAMIA. MUSCL Bryum. 
Stem unbr^nched, upright, very minute, not more than two or three lines 
high. Leaves concave and egg-shaped at the base, but very long and 
slender upwards. Barren flowers in the bosom of the leaves. Fruit- 
stalks on the same plant terminal, thrice as long as the stem, nearly 
upright. Fringe single, of sixteen teeth, deeply divided, red. 
{Dwarf Thread-moss. E.) Trichostomum pusillum. Hedw. In sandy 
places. A. Feb.—March. 
B. pyrifor'me. Capsules pear-shaped: leaves flat, oblong, acute. 
Dicks. H. S. — {E. Bat. 4d3. E .)—Dill. 44. 6— FI Dan. 637. 1—Vaill. 29. 
3— H. Ox. xv. 7, row 2. 16, p. 631— Buxb. i. 64. 1. 
Fruit-stalks half to one inch long. Relh. n. 1015. Leaves one line broad, 
one and a half long. Involucrum none. Fruit-stalk about three lines 
long. Capsule , mouth without fringe. Pol. Veil, before the capsules 
swells, four-sided; afterwards it tears into two, three, or four segments. 
Leaves tender, pellucid, pale green. Capsules large for the size of the 
plant, which rises but little above the ground. Dill. 
(Pear-shaped Thread-moss. E.) Heaths, hedges and ditch banks. 
A. Feb. 
B. stella ? tum. Capsules pointed, bearded: leaves egg-spear-shaped, 
pointed, somewhat rolled in. Dicks, ii. 6. 
( E. Bot. 2384— Muse. Brit. xii. E .)—Dill. 49. 56. 
( Stems very short, tufted; leaves oblongo-ovate, or ovate, rather concave, 
sub-opaque, mucronulate, furnished with a strong brown nerve. Muse. 
Brit, and according to the learned authors of that work, this appears to be 
Barbula agraria of Hedwig, a tropical plant, and a rare instance of such 
having been found in so northern a region; unless indeed Mr. Dickson 
should, by some accident, have mistaken a foreign specimen for one 
gathered in Scotland. E.) 
(Stellated Thread-moss. Tortula stellata. Sm. Hook. E.) On ditch 
banks and margins of rivulets, Scotland. 
B. calca'reum. Capsules inversely conical, toothed: leaves upi ght 
cylindrical, bluntish. Dicks. 
Dicks. H.S. — E. Bot. 191 ‘—{Muse. Brit. xv. E.)— Dicks. 4. 3. 
A dwarfish plant, smaller than B. paludosum, but the capsules sufficiently 
large and conspicuous. Lid conical, with a beak somewhat slanting. 
Veil slender, slanting. Dicks. Capsules with sixteen teeth; not with 
twelve as in Dickson’s figure. 
(Limestone Thread-moss. Weissia calcarea. Hedw. Hook. Grimmia 
calcarea. Sm. Turn. E.) On limestone rocks near Newmarket Heath. 
(On shady rocks at Garregwen near Garn, Denbighshire. Mr. Griffith. 
E.) 
B. cervicula'tum. Capsules egg-shaped, unequal, toothed: leaves 
very slender. 
Hedw. StirpEm. 37. A.—(E. Bot. 1661 —Muse. Brit. xvi. E.) 
Not branched; upright. Lower leaves very minute, spear-shaped; upper 
oblong-spear-shaped, concave, with a very long tapering point, expand¬ 
ing when moist, closing but not curling when dry; pale green. Capsules 
egg-shaped but less convex on one side, which gives it an appearance of 
leaning. Lid fine red, slanting, taper-pointed. 
