r u N ' oxXXI.
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Ser, E h o d o s p b iim b /e . Fam.
P l a t e CXXXI.
PHYLLOPHORA RUBENS, Grev.
G e n . C h a k . F m id stip ita te , rigid-membranaceous, proliferous, nerveless, or
w ith a vanisliiiig nerve, c e llu la r ; cells m in u te , an g u la r, gradua lly
smaller towards th e surface. Fructification-, 1 , tuhercles (favellidia)
sc a tte re d over th e frond, co n ta in in g masses o f m in u te sp o re s ; 2,
warU (nematlecia) seated on th e frond, composed of ra d ia tin g , mom-
lifo rm filaments, whose lower a rticu la tio n s are a t le n g th converted in to
spores ? 3, tetraspores (on d is tin c t p lan ts) oolleoted in to sori, e ith e r
towards th e apex of th e fro n d or in p ro p e r leaflets. P h y l l o p h o i i a
(Grev.),— from fiiXXov, a leaf, a n d fiopeo, to bear.
P h y l l o p h o e a s tem very sh o rt, ex p an d in g in to a su b -lin e a r or
c u n ea te , simple o r fo rked, rig id ly membranaceous, obscurely mid-
rib b e d fro n d , w h ich is repeatedly p roliferous from th e surface ; tu b e r cles
s ca tte red , w rin k le d or c re sted w ith s inuous fo ld s ; w a rts concealed
u n d e r leafy processes.
PIIYLIOPHOEA rubens, Grev. Alg. Brit. p. 135. t 15. Ilook. B r M. vol. u.
u 303 Wvatt, Ain. Damn. oo.2'l. J/ar®. w Ifec*. K . if ii. part 3. p. 20-.
Harv. Man. p. 79. Endl. Md S-uppl. p. 38. Kiitz. Plajc. Gen. p. 412.
S phaseocoocus rubens, Ag. Sp. Alg. vol. i, p. 237. Ag Sgst. p. 213.
El. Scot. part 2. p. 102. Grev. El. Edin. p. 396. Spreng. Syst. Feg.
vol. iv. p 335.
Chondrus rubens, Lyngh. Hyd. Ban. p. 18.
D ele ssekia rubens, Lamour. Ess. p. 38.
Fu cu s rubens, Linn. Sp. El. p. 1630. Good, and Woodw in J™ “ '
vol iii P 165. Turn. Syn. vol. ii. p. 216. Turn. Hist. 1 .12. E .B o t.
t. 1053 Stack. Ner. Brit. ed. 2. 1 .19. Hook. Iceland lour, vol. u.
p. 347.
F ucus prolifer, ligU f. El. Scot. p. 949. t. 30. Esper, Ic. Euc. t. 129.
F u cu s epiphyUus, El. Ban. t. 708.
Fu cu s crispus, Huds. El. Ang. p. 580.
H ab. On the shelving, rocky sides of deep tide pools near low-water mark,
under the shadow of Laminanm-, also on rocks, stones and nulli-
Z e “ bevond tide marfa, from four to fifteen fathoms Perenmal.
Winter. " Frequent on the British coasts, from Orkney to Cornwall.
Geogr. D is t r . Atlantic coasts of Europe from Iceland to Spain. Baltic Sea.
D bscr Boot an expanded caUus. Eronds densely tufted, from three to eight or
t e n S e s in length, rising with a short cylindrical stem winch p-adually
passes into the flattened, obscurely mid-ribbed, a ttenuated base oi a lineai-
wedo-e-shaped lamina ; this primary lamina is sometimes quite simple, but
is more frequently forked, and often many times dichotomous, each segment
I)
VOL. I I .
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