Ms ./ >. CRYPTOGAMIA. ALG. Ulva. 
- plumo’sus. F. Rather membranaceous than gristly: spear-shaped ; 
doubly winged; feather-like: stem thread-shaped ; 
compressed; branched. Linn. Fructifications on 
fruit-stalks, globular, radiated. Huns. 597. 
_ Stackb. pl, 13—Gunn. ii. 2. 15-Fl. dan. 350-R. Sym. 2. 5; 
at p. 60. 
About 5 inches high, purple red. Stem depressed, yor 
much branched, branches irregular, tiled ; leafits doubly winged, 
with soft, undivided, crooked threads, thickest at the end and 
with something of a jointed appearance. Gmexin fuc. Be 152.5 
Resembles F. abratanifolius; but is winged like a Hypnum, 
and small. Linx. In its beautiful colour, its delicate texture 
and its transparency it agrees with the F. coccineus, but differs 
from it in the ultimate leafits being placed regularly on each 
side the branches, whilst in the former they are only on one 
side, and generally 3 together. 
. Rocks and stones in the sea, very common. P, Aug.—Oct. 
peduncula’-F. Gristly, gone 4 branched: branches bristle- 
tus, shaped, bearing fruit, scattered: fructifications scat- 
tered, on fruit-stalks, oblong. Huns. 587. 
E. bat, 545, 
Leaf 9 inches long, semi-transparent, yellowish. Branches 
very simple, long. ructifications numerous, small, brownish. 
Fruit-stalks long. Huns. 2, 49. 
ocks and stones in the sea. Portland island, [ Yarmouth. 
Mr. Wiese. } : A. July—Sept. 
UL‘VA. Favorirications small globules dis- 
persed through a pellucid membranaceous 
: substance. 
pisifor’mis.U. Globular, solitary, spongy, brownish. Huns. 572. 
Plant from the size of rape seed to that of a pea, spherical, 
with an interwoven net work, pulpy, brownish green. Hus. 
Re a 
Ditches between Greenwich and Woolwich. 
a 3 A. March—Aug. 
prunifor'mis U, Nearly globular, solitary: green; succulent within. 
: : ae . Weg. 0b5, 24 Ave <7e 
Of the size and shape of a plumb, sometimes rather flatted 
on one or other of the sides; the rind of the thickness of the 
rind of a plumb; within full of a viscid pulp, containing either 
in the middle or a little on one side some grains just visible. 
