Carrington. Easegill, West Lane., J. A. Whetdon. 10. Eigton
Hill, Dr. F. A. Lees. Idle Woods, Dr. Carrington. Yeadon, Dr.
Carrington. Shipley Glen, W. West. Near Bingley, }F. West.
Newsholme Dean, IF. West. 12. By the highway side, Staveley,
Westmorland, G. Stabler. 14, 15. Trossaclis, J. Cruickshank.
Near Stirling, Dr. Greville. Ben Mac Dhui, A. C. Black. Forfar
Burn, A. Croat!. IG. Moidart, West Inverness, very little seen,
8. 31. Alacvicar.
I. Sillaghbraes and Sleemish Mountain, Co. Antrim ; Gleniff,
Co. Leitrim ; Benbulben Range, Sligo ; Cromaglown ; near Let-
terfraok, Co. Galway, Dr. D. Moore. Slieve Glah, Co. Cavan,
D. AIcArdle.
Found on the Continent and in North America.
O b s .— A pretty little species, the smallest of our British Scapaniæ;
it can be confused only with immature forms of other
species, and if found with either $ or $ can be easily identified by
the description.
Jungermania Conradi Corda, according to original specimens, is
a small imperfect form of this species.
D escription of P late XCV.—Pig. 1. Plants natural size.
2. Stem X 24 (Sweden, Lindb.). 3. Stem x 24 (G. & E. 651).
4-8. Leaves x 24 (ditto). 9. Portion of leaf x 290 (Sweden,
Lindb.). 10. Bract x 24 (G. & E. 651). 11. Perianth x 11
(Sweden, Lindb.).
17. Scapania umbrosa (Schrad.), Dmu.
Jungermania convexa, Scopoli, Flora Carnolica, 2nd ed. p. 349, sp. 1348
(1772) (?).
Jungermania umbrosa, Sohrad. Syst. Samml. K ry p t. Gew. 2, p. 5 (1797) ; Hook.
Brit. Ju n g . t. 24 (1816).
Radula umbi'osa, Dum. Comm. Bot. p. 112 (1823).
Scapania imbrosa, Dum. Eecueil, p. 14(1835); Howe, Hep. & Autho. California,
Mem. Torrey Bot. Club, vol. vii. p. 153 (1899).
Plagiochila umbrosa, Mont. et Nees in Nees Eur. Leberm. iii. p. 525 (1838).
Martinellia convexa, Lindb. Musci. Scand. (1879).
Scapania convexa (Scop.), Pears. List. Can. Hep. 15 (1890).
Dioicous, cæspitose, of a yellowish or dark green to brown
colour. Stems ascending, subramose above, branches subfalcate,
radiculose. Leaves imbricate or approximate, patent to patent-
divergent (60°), oomplioate, unequally bilobed to about the middle
serrate to the upper half, antical lobe i to J smaller, roundish,
ovate, acute, erect, incumbent, postical lobe oval or obovate, acute,
convex, subseound, epidermis smooth, cells guttulate, smallish,
roundish or roundish-oblong, cell-walls thick, trigones distinct.
Bracts similar, only larger. Perianth oblong, truncate, mouth
entire. Capsule oval, dark reddish-brown. Spores pale brown,
minute. Elaters short, thick, dark reddish-brown. Perigonial
stems with leaves closely imbrioate, lobes smaller, more equal,
slightly ventricose, antheridia oval.
Fruits April, May.
D imensions.— Stems to f inch long, diam. '3 mm., with
leaves 1'5 mm. broad; leaves, antical lobe '85 mm. x ’45 mm.,
1-2 mm. x -575 mm. ; cells '03 mm. x ’02 mm.; walls 'OOo mm.
thick ; bracts, antical lobe 1’05 mm. x '5 mm., postical I'S mm.
X '7 mm.; perianth 1'6 mm. x '65 mm.; pistillidia '2 mm.
X '04 mm. ; capsule '7 mm. x '55 mm. ; spores '015 mm. diam. ;
elater '08 mm. x '015 m m .; antheridia '09 mm. x '06 mm.
H a b .—Grows on rooks and rotting wood in shady woods and
by the sides of streams. Rare.
1, 2, 5. Ordesley Wood; Mayfield; Dimmings Dale,
Staffordshire, / . F. Bagncdl. 7. Dolgelly, Merionethshire,
C. J. Wild & W. II. P. Festiniog, Merionethshire, Dr. Carrington
& W. II. P. 8. W^oodhead, Derbyshire, J. Whitehead
& W. H. P. 10. Bolton Woods, Dr. Carrington & G. A. Holt,
W. H. P. Goathland, 31. B. Slater d W. II. P. 12. On decaying
trees, Naddle Forest, Mardale, Westmorland, G. Stahler.
16. Moidart, West Inverness, common on partly buried rooks
and on stumqis in ravines and shady woods; this pretty species is
very fine in this district, 8. M. Macvicar.
I. Nr. Dublin, Hr. Taglor. Loch Bray, Wicklow; Kylemore,
Co. Galway; Killarney Woods, frequent; Brandon, Co. Kerry,
Dr. H. Moore. Killarney, Hr. Carrington.
Found on the Continent and in North America.