HEPATICS OF THE BRITISH ISLANDS 423 
scriptions being usually sufficient for identification ; but there are 
some inaccuracies which might mislead the student. Among them 
we have noted the follgnaes where the inflorescence is incorrectly 
given : Diplophylium obtusifolium is not dioicous, but is eee 
or occasionally monoicous ; ; Scapania dear ay is heteroicou ; Mar- 
ous 0 oico zu i 
unknown; the male plant is not very rare in Scotland, and 
perianths have been found in Ba tine e inflorescence of 
Kantia arguta is not ‘ unknow a description will be found in 
Pearson’s Hepatice of 2% Br itis Isles, with an illustration of the 
perigynium. Also the male plant of J. polita is frequent in Scot- 
land, and fruit has been found on the Continent. Cephalozia fluitans 
has its inflorescence on short postical, not side branches as stated. 
The following corrections in the descriptions and notes are neces- 
sary. Frullania germana has frequen tly male spikes resembling 
those of F. Tamarisci, although there are nearly always linear 
spikes on the same plant. Lejeunea tags: can easily be dis- 
tinguished in the field with a pocket lens. Scapania resupinata 
freque ently occurs on wet rocks and banks in various parts. In Lepi- 
the field. We cannot agree, . either, that it resembles J. vile * 
its manner of growth. J. quadriloba is not 4-5-lobed in its British 
form; it is most frequently 8-lobed, with an occasional fourth lobe. 
J. saxicola can hardly be described as ‘‘a very rem markable little 
ize. J. utlantica is not smaller than 
most commonly without under- 
leaves, or with them almost obsolete. 
The distribution of the species, which is : 
Botanical Provinces, can bare be considered up to date as regards 
Great Britain, and the term ‘extremely rare” is used too fre- 
‘a Dum. of Scapania resupinata, and the 
S. undulata are elevated to the rank of 
species. retained as a — ~ ote 
is given ‘Schisma Sendtnert Nees. 
ety et lst = ho it can safely be are = 
the Schisma Sendtneri of the Continent has not been fou 
Britain. Some other plants are retained as species which janes ‘ 
the seangomen of the genera is peculiar, and seems to follow 
cular plan. sn anion a eu : 
donia (Petalophyllum) ; Mar supel 
chila (Pata Sekt gt fob sata by half the contents of 
s given under Watson’s 
