840 ‘THE JOURNAL OF BOTANY 
capitulum slightly brownish. Spreading branches in and below 
the capitulum elongated, tapering at the apex and sharply recurved; 
leaves ag elongated, when dry eee somewhat recurved. 
(8) Var. fallax Warnst. /.c. (sub S. mendocino). Branches of 
the capitulum more or less sickle- sbopess eae and elongated, 
with the leaves frequently somewhat secund. 
(4) Var. majus(Russ.) Warnst. /.c. fab: mendocino). Completely 
submerged, very long (up to 50 cm.), without or with few sere 
0 mm. lon 
soft upright leaves; hyaline cells elongated, and psunas with 
very few pores on the outer surface. The uppermost branch-leaves 
frequently consist of chlorophyllose cells only in the upper part, as 
in S. euspidatum var. plumosum. 
(5) Var. mollis Warnst. Europ. Torfm. ser. iv. No. 869, 1894. 
Tufts when ‘dry very soft, vallenish: branch-leaves closely appressed, 
with a tendency to being secund, generally only slightly undulate ; 
on the inner nas praia ithout — on the outer with very 
sea — ly non- decaaea 
r. parvifolium Warnst. Be ; Bedstiaia, 1898, 14. Plants 
delicate, es “compact tufts, which are only partly submerged; stem- 
leaves small, about 54 to ‘6 mm. long, wide at base, triangular- 
lingulate, non-fibrillose or somewhat fibrillose sa pa ‘the rounded 
qoites eakly fimbriate apex; branch-leaves small, 14 to 
nits — ew generally almost sickle-shaped and nk border 
; por r surface very numerous, towards the 
apex voienily passing over into large membrane gaps. 
21. §. puncurum Warnst. in Bot. Centralb. lxxxii. 1900, 4 
8 S. laricinum Spr. (Schimper, Un. Boers in noe Che 
Carrin rringt on Moss. leg. 1865); S. pig m (2. B.) ¥ Sr 
Lindb. in seagate The Sphagn. 1 i 
Exs aithw. Sphagn. Brit. Sie No. 48 (1877). 
Pla i peneeally Nectle robust, of a beautiful yellow-green, light 
feces 6 or . dirty dark bro 
Cortex of the stout pret 2-4-layered, spony! clearly different- 
iated from the yellowish or pale reddish wood-cylinder; more 
rarely in most parts of the cireumference not ‘ebsatly differentiated, 
and so apparently absent. 
Stem-leaves mln broadly isosceles- to equilateral-triangular, 
about 90 mm. wide at the base, and almost or quite as long; 
generally suddenly pce in above into a short apiculus; border 
road, very much widened below. Hyaline cells very narrow and 
tube-like, generally non- fibrillose, raxely with rudiments of fibrils 
tow: ards the one ; on the inner surface frequently with resorp- 
Fas 
sjicading, ‘he others sires to the stem. Spreading vensohial 
mrss An acuminate ; arranged in very varying directions with regard 
to the stem ; leaves — closely, sometimes loosely arranged. 
Branch- fila broadly ovate or lanceolate, and generally almost 
suddenly produced sei a short, narrowly truncate, small-toothed 
