2. Ju n g e rm an ia pumila, Withering.
Wither. Brit, Fl. p. 866 (1776); Hook. Brit. Ju n g . t. 17
(1816).
Aplozia picmüa, Dum. Hep, Eu r. p. 59 (1874).
Paroicous, cæspitose, small, olive-green colour. Stem simple
or branched, creeping or suberect, no flagella; radiculose rootlets
thick, frequent; branohes lateral-subpostioal, arising from the
postical side of the leaf-axil, or proceeding from the^ base oi
perianth Leaves succubous, upper imbrioate, sheathing complicate,
concave, erecto-patent or patent, lower alternate, spreading,
approximate, obliquely inserted, horizontal or patent-divergent,
ovate, oval or oblong-oval ; texture delicate, epidermis smooth ;
cells 4-, 5- and 6-sided, quadrate or elongate, walls delicate, composed
of two bands, no trigones or thickened angles. No stipules.
Bracts similar to the upper leaves, only larger and swollen at the
base, where the antheridia are. No bracteole. Perianth pro-
iectln<r about f beyond the bracts, composed of a single layer ot
cells about 120 round the middle, fusiform, acute, mouth very
small with few delicate teeth or subentire, upper portion antically
obtusely 2-plicate with a narrow fold between tbe folds. Calyptra
extremely delicate. Capsule oval, dark brown, spores pale golden-
brown, elaters the same, bispiral, 12 turns of the spreal. Perigonial
bracts immediately below the perianth, 2 or 3 pairs ; antheridia
oval, 1 or 2 at the swollen base.
Pruits May, June.
Dimensions.—Stems i to i inch long, diam. -1 mm. to 15 mm. ;
leaves L mm. long x 7 5 mm. broad, '9 mm. x 7 mm., '9 mm. x
•6 mm., -8 mm. x '55 mm. ; cells '05 mm. x '02 mm., '04 mm. x
•025 mm., '035 mm. x '03 mm., '03 mm. x '03 mm., '03 mm. x
■02 mm. ; bracts 1'5 mm. long x 1' mm. broad, 1'5 mm. x '8 mm.,
1-25 mm.x-75 mm.; perianth 2'25 rnm. long x '6 mm. broad,
1-75 mm. x '65 mm. ; pedicel '1 mm. thick ; capsule '75 mm. x
•5 mm. ; valves ’75 mm. x '25 mra. ; spores '025 mm.
H a b .— Growing on wet rooks and earth by streams. Somewhat
rare.
1. Helston, Bev. C. A. Johns. Riverside, Truro, W. Curnow.
3. Hungershall Rooks, Kent, .Tenner. 6, 7. Tyn-y-Groes, Hr.
Carrington fl W. II. P. Barmouth, Merionethshire, JF. I I P.
Pass of Llanberis, Carnarvonshire, J. Cash fl JF. II. P. Cwm
Idwal, Carnarvonshire, Grifflths. 10. Howgill, W. West. Dent,
G. Stabler. Clapham, Dr. Carrington. Bolton Woods, Hr. Carrington
fl JF. II. P. Todmorden, A. Stansfield. Studley, Hr.
Hooker. 12. On damp rocks by River Kent, Kentmere ; Black
Crag ; by River Lnne, Sedbergh; Groom G hyll; Barbon Fell,
Westmorland, G. Stabler. 13. Glenlee Glen, &o., New Galloway,
J. McAndrew. Moffat, Dumfries, Nichol. Dalsoairth, Dumfries,
Cruickshank. 15. Killin, Perthshire, G. A. Holt 16. Very
common on rooks by the side of streams ; frequent on wet banks,
Moidart, West Inverness, S. M. Macvicar.
I. On rocks at the side of streams and rivers, not rare. Hr.
Taylor. Glen near the Hunting Tower, Cromaglown, Dr. Carrington.
Connor Hill, Brandon, Co. Kerry, Hr. H. Moore. Loch
Bray, Co. Wicklow, Hr. H. Moore. Glenad, Co. Leitrim, Hr. H.
Moore. Ballyhaise Wood, Co. Cavan, H. McArdle.
Found on the Continent and in North America.
O b s .—Distinguished from small forms of Jungermania riparia,
Tayl, with which it is most commonly mistaken, by its
paroicous inflorescence, absence of flagella, and its narrower
perianth.
D escription oe P late CXXIII.—Fig. 1. Plants natural size.
2. Fertile stem x 24. 3. Portion of stem x 24. 4-6. Leaves
X 24. 7. Portion of leaf x 290. 8. Bract x 24. Perianth
with bracts and upper leaves x 24 (Tyn-y-Groes, North Wales,
Dr. Carrington & W. H. P.).