1044 CRYPTOGAMIA. MUSCI. Bryum. 
Bill. 47. 29. 
This was considered by Hudson as a variety of B. Hypnoides ; but though 
the shortness of the fruit-stalks favours that opinion, the leaves being 
equally distributed, not fasciculated, and the want of trailing shoots, 
induce me to place it here. 
B. Hypnoides y. Huds. On some stones forming a circular wall on the sum¬ 
mit of Snowdon. Aug. 
B. jESTi'vuM.. Capsules urn-shaped: fruit-stalks axillary: leaves spear- 
awl-shaped, without a mid-rib, doubled together. 
Dill 47. 36. 
This Moss adheres together when dry, as it doubtless does when wet, like 
a Conferva; and when dry, preserves its beautiful blue green colour. 
It consists of thread like shoots crowded with very slender leaves, but 
dipped in water so that the shoots may separate, they appear but little 
branched, and the leaves seem less numerous. Dill. In some specimens 
now before me the fine bluish green colour like that of a Cantharid is 
very striking. Capsules urn-shaped. Fruit-stalks about half an inch 
long. Plant one inch and a half high. Leaves not crowded, spear- 
shaped, but very slender without a mid-rib, doubled together. 
(Blue-green Thread-moss. B. aestivum. Linn. According to Smith 
Gymnostomum curvirostrum. Hedw. E. Bot. 2214, and Muse. Brit, vi., 
and also by the latter authors synonymized with G. stelliggrum. Schrad. 
Sm. G. luteolum. Sm., and Bryum stelligerum. Dicks. E.) B. oesti- 
vum of Hudson is B. capillaceum, excluding the synonym of Dill. 47. 39. 
which is B. brevifolium. Marshy places. Richardson, in Dill. 375. 
B. Dickso'ni. Capsules egg-oblong, fringed: shoots branched : leaves 
strap-shaped, keeled, rather curled when dry. Dicks. 
Dicks. 7. 7. 
Shoots branched, branches expanding, nearly of one height. Leaves upright 
Scattered, strap-shaped, keeled, dark green, those at the end forming a 
star ; curled when dry. Capsules yellowish. Mouth red, ring slender, 
teeth short, upright, red. Lid with a long slanting beak. Veil slender. 
Dicks. Leaves very slender, strap-spear-shaped, with a mid-rib the 
whole length. Fruit-stalk hardly half an inch high. 
(Dickson’s Thread-moss. In Muse. Brit, we find this plant (E. Bot. 
1420,) included under Weissia cirrata 3 B.cirratum. With. E.) On rot¬ 
ten wood and decayed trunks of trees. On a moist rock by the petrify¬ 
ing spring in Garn dingle, near Denbigh ; and Wet rocks of Crib y 
Ddescil. Mr. Griffith. 
B. trifa'mum. Capsules egg-oblong : mouth bearded : shoots seldom 
branched : leaves spear-awl-shaped, expanding. Dicks. 
Hedw. Stirp. ii. 28—( E. Bot. 1707— Muse. Brit. xx. E.) 
Scarcely half an inch high, unbranched, upright. Lower leaves smaller, co¬ 
lourless, : upper ones larger, broad at the base, and keeled, awl-shaped 
at the end, pointing three ways. Capsule egg-cylindrical. Lid conical, 
bent. 
(Three-rowed Thread-moss. B. trifarium. Dicks. With. Hull. Ab¬ 
bot. Didymodon trifarium. Sw. Hook. Trkhostomum trifarium . Sm. 
