128 CRYPTOGAMIA.) ALG Ulva. 
& Tie bof hae Pope Fall 0.'3. 
Gelatinotis, slippery, Ee ; grows in the water arid on the 
edges of small ditches. Crowded, irregularly divided, swollen, 
-but not round, the segments being Alattish, Diuu. 51... | 
In the ditches of a field near Chichester, Sussex, without the 
East gate. Ditt. Selsey Island, Sussex, between Greenwich 
and Woolwich, near Doncaster, about Spalding and elsewhere 
: in-Lincolnshire. Hups. On the stalks of Horsetail in a ditch 
on Sheep’s Green, REE, ny 1087. : S A. March—Oct. 
a 
. ey ¥ 
} 
dichot’oma, U. flat, forked, green. peqgile Sh 
a E. bot. 774~Lightf. 34, at p. 975. 
“Leaf about 3 inches long, flat, greatly dilating upwards and 
PPro Fi branches. Branches oa higtth aap sain of an 
inch broad; cloven at the ends. Colour pale green, substance 
membranaceous, very thin, pellucid, in the microscope reticu- 
lated. Seeds small, brown, scattered through the substance of 
the leaf. LicutF. . 
Rocks and stones on the sea shore at low water. Isle of 
Walney, Devonshire. Cornwall and Sussex. Basons of water 
among the sea rocks, about Leith and New Haven. 
Se eet oe ee ee ee St ete 
— 
“Var. 2. Brown; segments narrower, | 
» “This sort also is common in. Cornwall...It grows in very 
pe geen The segments are long and numerous, but not 
so broad as those of the preceding. Mr. Sracknouse. 
defrac’ta. U.' Thread-shaped, unbranched, diaphanous, viscid. 
Ee os Pee VES pores 
Is found in masses, the stems simple, but variously coiled. 
gy ve 
y gm as well as glutinous; from 8 to 12 inches 
drical, nearly the eighth of an inch in diameter, ter- 
ing obtusely. It consists of a diaphanous membrane re+ 
plete with a clear gelatinous substance... Inner. surface of this) 
membrane interspersed'on every part with innumerable: minute — 
» which at first give the whole plant the beautiful hue of 
he almond blossom; but as the gelatinous substance diminishes, | 
these granulated substances attain. a kind of orange colour, and. 
from the outer fine membrane collapsing upon them they become 
more distinct, appearing almost as if fixed on the outer surface. 
Found not unfrequeatly at low water, on the beach at Wey- 
mouth; but Inever could discover any root upon the various 
specimens I have examined. As they adhere closely together, 
and are very tender, they are probably broken by the flux of 
the sea, and torn off from their base. Specimen and ‘descrip- 
_tion from Major Veziey. “June. 
