106 
lycopodioi’-F. Cylindrical, somewhat branched, ent 
des, 
“4 a Bea) Cylindrical, OPAKE. 
_ thinner: colour dark reddish purple, the 
__ with short bristle-like leaves. Fructification not yet disco- 
CRYPTOGAMIA. ALG. Fucus. F. (1) Cylindrical, 
OPAKE. | 
irely covered with 
- short bristle-like Jeaves. ; 
‘ Sy we Fl. dan. 357, —_— 
Grows upright, hardly a foot high: but litt 
covered on every side like a Lycopodium 2 1 bri 
leaves about $ an inch long. Lyn. ee 
About 9 inches high, as thick as a Te branches few, 
whole entirely covered 
tomento’susF, Thread-shaped but compressed; repeatedly forked; 
Filum. 
velvety ; angles at the forks rounded; the ends 
blunt 
Stackhouse. pl. 7-E. bat, 712~H. ox. xv. 8 row 2. 7-Pet. 
gaz. 4. 12,. 
Plant about 6 inches high, of a fine grass-green, sometimes — 
— to olive. Sem short, roundish, hollow. Branches 
nearly all of a size, w is that of asmall quill.. When taken 
fresh from the sea and viewed in a hason of water, it has the 
appearance of a sponge; when a little drained it has a most 
beautiful soft, velvety appearance. When examined with a 
powerful microscope it appears to be a collection of tubes set in 
a stiff, solid membrane, without the least resemblance to the 
fructification of a Fucus, so that I expect it must form a new 
genus. Sracknouse. : 
On the Devon and Cornish coasts. On the long rock be- 
"tween Marazion and Penzance, plentiful. Mr. Wenman. And 
at St. Ives; also at Menabilly near Fowey. Mr, StackHoust. 
F, Plant thread-shaped; tough, somewhat twisted; 
opake, 
Stackb, ii. 10—Fl. dan. 821-Pet. gaz 91.5. 
Leaves not swimming on the surface of the water but just 
below it. ‘Lryy. suer. 2. 1153. .'Thread-s aped, thinnest at 
both ends, about a line in diameter, undiv 
with mucus, separated internally into 
brittle, often matted together, twisting sp 
lour green, blackish brown when dry, : 
to straw colour or white, Gmeru. fuc. 132. Besides the 
twist of the plant there is generally a spiral seam to be ob- 
served. The cross partitions are not at such regular intervals 
as ina Conferva, They consist of reticulated membranes with 
here and there shining glassy threads, beaded with air bubbles 
