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WILSON'S

BRYOLOGIA BRITANNICA.

The following correction of the specific character of Tortula ruralis, in page 134. is needful.

Tortula ruralis Hedw. Leaves more or less acute and tapering into the very rough hair-points.

Abundant on sand-hills on the sea-coast, but not common in fruit. var. B. rupestris ; smaller, leaves flattish, oblong, suberect,

very obtuse; hair-points longer, less spinulose; margin

recurved in the lower part, plane above. Hab. Conway Castle, and near Bangor, on walls and rocks.

In aspect, the var. B. much resembles T. læviz ila ; and, as Bridel suggests, may be an intermediate species, having a shorter paler peristome.

CORRECTIONS

TO BE MADE IN

WILSON'S BRYOLOGIA BRITANNICA.

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Page 18, line 18,“ obtusifolium ” for “latifolium.”

29 36, “ carinatum" for “ carninatum."
33 22, 29, “ ş” for “E.”
54 36, add“ (Tab. XV.).”
65 38, add " (Tab. XVII.).
68 2, add“ (Tab. XVII. f.)."
71 10, add " (Tab. XVII. c. 3.).”
103 15," Grimmia” for “G."
116

39, “ Trichostomum” for Didymodon."
122 13,“ Eng. Bot." should be in italics.

29, “ barbata” for “barbarta.”
150 43,“ perichætial” for “perchiætial.”
151 13, "strictum” for “ stricta."
153 40, “pulvinatus” for “pulvinatis.”

9

39, add “(Tab. XXVIII.).”

34, “ M. stricta, M. angustifolia,” for “stricta angustifolia." 272 7, “ Funarieæ" for “ Funariæ."

18, add “(Tab. XXIII. a. 1.).”

23,“ pomiformis var. crispa” for “crispia.” 288 45, “XXXI.for XXI.” 292 49, “ Lin,” for “ Lynn." 295 20,“ longicollefor longicolla.

32,“ Wils." for “ Wills.380 48, "preceding ” for “next.” 398

43, "mammillatum" for "mammillatus."

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BRITISH MOSSES.

SYNOPSIS OF THE GENERA.

Sect. I. ACROCARPI. Fruit terminal. (Or, in a few instances, cladocarpous. See Sect. I. b. Clado

CARPI, for a separate list.)

SUBSECTION A. Capsule without a deciduous lid.

* Capsule bursting irregularly. 3. ARCHIDIUM. Capsule sessile, globose; calyptra irregularly

torn in the middle; spores large; stem perennial. 4. PHASCUM. Capsule very shortly pedicellate ; calyptra fall

ing away entire ; spores small; stem annual.

** Capsule bursting regularly. 1. ANDRÆA. Capsule opening by longitudinal slits, sessile on

a stalked vaginula.

SUBSECTION B. Capsule with a deciduous lid.
DIVISION I. Peristome none. GYMNOSTOMI.

* Capsule sessile on a stalked vaginula. 2. SPHAGNUM. Capsule globose; calyptra as in ARCHIDIUM.

(Cladocarpous).

B

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