B R Y U M ventricosum.
Swelling Bog Thread-moss.
CRYPTOGAMIA Musci. .
G en. Char. Outer fringe of 16 teeth, broad at the
base : inner a toothed membrane. Flowers terminal.
Capsule ovate-oblongs smooth. Veil smooth.
Sfec. Char. Stem determinately. branched; the
branches ascending. Leaves alternates ovato-
lanceolates serrated near the point. Capsule
swelling, pendulous.
S vn. Bryum ventricosum. Dicks. Crypt, fuse. 1. 4.
Sm. FI. Brit. 1365. Relh. 427. Turn. Muse.
Hih. 126. Winch, v. 1. 115.
B. triquetrum. Huds. 490, a. Hull. 256.
B. annotinum palustre, capsulis ventricosis pendulis.
Dill. Muse. 404. *.'51. ƒ. 72.
B. nitidum, foliis serpilli angustioribus, majus.
Dill, in Bait Syn. 102.
Mnium pseudo-triquetrum. Hedw. Sp. Muse. 190.
Crypt, v. 3. 19. t. 7. With. 108.
M. triquetrum. Abbot. 235. Liglitf. 715.
CjtATHERED on the sandy brink of the river at Meavis
bank near Edinburgh, bearing fruit in April. It prefers
marshy or boggy places, especially where there is a mixture
of sand or gravel, not mud. The long perennial rusty roots
grow in close tufts. The stems are bright red, and have two
or more branches springing from beneath the fructifying spot,
which ascend in a slightly spreading posture. Leaves pale
green, lax, rather alternate than three-ranked, moderately
spreading, lanceolate, or in some measure ovate, acute, single-
ribbed, serrated near the top, twisted when dry. Male and
female organs often in the same flower, according to Hedwig.
Fruitstalk from the top of last-year’s branch, an inch and half
or two inches high, nearly upright, red below, yellowish
above. Capsule pendulous, ovate, short, tumid near the base,
a little constricted under the mouth. Hedwig draws it, as he
himself describes it, contracted at the base after the seeds are
discharged. Lid convex, with a rather prominent point.
Fringe yellow.
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