several lobes. Calyptra free, obovate, delicate, surrounded at its
base by 10-12 sterile pistillidia. Capsule shortly pedicellate,
oval-globose, coriaceous, dividing to about the base into 4 valves.
Elaters moderately long, hispiral. Spores small, asperulous.
Andrcecia subspicate, on the middle or end of stem or branch ;
perigonial bracts 6-10 pairs, somewhat similar to the leaves,
2-4-androus.
Suhgenus 1. EUCALYX, Lindb.
Nardia, sect. 1 Eucalyx, Lindb. in Bot. Not. p. 167 (1872).
Stipules absent. Bracts 1-2 pairs, innermost adnate at the
base to the perianth. Perianth projecting, moderately firm,
acutely 3-8-carinate, mouth constricted, sometimes tubular.
1. N ard ia h y alin a (Lyell), Carr.
Jungermania hyalina, Lyell in Hook. Brit. Ju n g . t. 63 (1816).
Aplozia hijalma, Dum. Hep. Eu r. p. 58 (1874).
Nardia hyalina, Carr. Brit. Hep. p. 35, pi. 11, f. 86 (1874).
Nardia {Eucalyx) hyalina, Lindb. Muse. Scand. p. 8 (1879).
Dioicous, broadly cæspitose, small to medium size, of a light
green colour, often with a rosy tinge. Stems procumbent or
suberect, simple or innovantly branched, branohes lateral, produced
from the axil of the leaves or bracts; radiculose, rootlets
claret or dull purple coloured, very rarely dull white, copious,
long, produced from the postical side of stem, base of the leaves
and perianth. Leaves obliquely inserted, horizontal, subimbricate,
contiguous or distant and smaller below, broadly rotund,
orbicular or broadly oval, semi-amplexicaul, sometimes suhcompli-
cate, undulate or plane, margin entire ; texture somewhat tender ;
cells largish, roundish, walls thin, trigones distinct. Stipules
absent. Bracts larger than the leaves, adnate to the lower
portion of perianth, sometimes almost free, erect, enclosing
perianth, subrotnnd, entire. Perianth oval, oblong or ovate,
upper portion 4-6-plioate, contracted, mouth small, margin
composed of elongate, hyaline cells. Pistillidia 15-20. Capsule
oval, dark brown. Spores pale brown. Elaters hispiral, brown.
Male stems slender, distinct, perigonial bracts smaller, antical
side incurved, saccate at the base, i all the length, antheridia 2-3
in each braot, oval, stipitate.
Fruits March, April.
D imensions.—Stems to 1 inch long, diam. '25 mm., with
leaves 2’ mm. to 3' mm. broad; leaves IT mm. long x 1‘6 mm.
broad, 1'3 mm. x 1'6 mm., IT mm. x 1'2 mm., 1’2 mm. x 1'3 mm.,
IT mm. X T mm. ; cells '05 mm.; trigones '01 mm.; braot 1'6 mm.
high X 2-25 mm. broad; perianth 2 'mm. x 75 mm., 175 mm.
X 75 mm. ; pistillidia T5 mm. long x '03 mm. broad; perigonial
bracts 7 mm. x 7 mm.
H ab.—Growing in large patches on damp, clayey hanks,
usually near streams, sometimes on wet rooks. Moderately rare.
1. Lower Ninnis, Madron, Cornwall, E. D. Marquand. 2. New
Forest, Hants, C. Lyell. 5. Dove Dale ; Star Wood, Oakamore ;
Chartley Moss, Staffordshire, J. E. Baynall. 7. Near Snowdon,
Carnarvonshire, W. Wihon; Dolgelly, Merionethshire, W. H. P.
8, 9, 10. Eskdale, Br. Spruce; Banks of the Bye, J. G. Baker;
Hebden Bridge, G. E. Emit. W h itb y ; Ingleboro, Br. Carrinyfon.
Cleveland, W. Mudd. 12. Stock Ghyll Poree, Ambleside, Westmorland,
C. Lyell; Naddle Forest; Long Sleddale; Kentmere;
Barrow Field, Helsington, G. Stabler; Scandale, Westmorland,
W. West. 13. Eouten Bridge; Closehurn; near Moffat Spa
Well, Cruickshank. 15. Dumbarton, A. McKinlay; Glen Esk,
Forfar, Br. Greville; Braemar, A. Croall; Kinnordy, C. Lyell.
16. Not uncommon on damp loamy banks and at the side of
ravines, Moidart, West Inverness, S. M. Macvicar.
I. Aooreagh Eiver near Sneem, Co. Kerry, Br. Taylor; Brandon,
W. Wilson; Luggielaw and Seven Churches, Br. 7). Mooi-e; Slieve
Glah, Co. Cavan, B. M’Ardle; Seefing Mountain, Dublin, Br. B.
Moore.
Pound on the Continent, in the Canary Islands and North
America ; Br. Spruce also found it in South America.
Ops,—The only other round-leaved .lunyermania which haq