xicUA czuxir.
lift !
;
Ser. M blanospebmeas. Earn. Ectoearpea.
P l a t e CLXXXIX.
SPHACELARIA RADICANS, Harv.
■ W H H . i e l r t T i t K .
leeve.BonnaTn fcilepvp. ur.p
G e n . C har. Mlaments jo in te d , rig id , distioliously braiiolicd, p in n a te d ;
ra re ly simple or su b d ich o tom o u s. Affices of th e b ran ch es disten d ed ,
m em b ra n o u s , c o n ta in in g a d a rk , g ra n u la r mass. Fructijication;
ellip tic a l utricles (or spores) fu rn ish e d w ith a lim b u s , b o rn e o n th e
ram u li. Sphaoblabia [Lyngb.),— Ivom a<f>aK€\os, gangrene, a llu d in g
to th e w ith e re d tip s of th e b ra n ch es .
« -
Sphace la ria radicans-, filaments ere ct, or d e cum b en t s en d in g o u t a few
fibrous rad ic le s from th e lower p a rt, sp arin g ly b r a n c h e d ; b ran ch es
alte rn a te, simple, very ere ct, s tra ig h t, b a re of r am u h ; u tric le s c lu s te
re d , sessile, globose.
S p i i a c e l a r t a radicans, Harv. in Hook. Br. M. vol. ii. p. 324. H a n . m
Mack. M. Hib. part 3. p. 181. Harv. Man. p. 89. Wyatt, Alg. Banm.
110. 2 1 0 .
S p h a c e l a r i a cirrhosa, C simplex, Ag. Sp. Alg. vol. ii. p. 29.
S p h a c e l a r i a olivácea, Ag. Sp. Alg. vol. in p. 30. Harv in Hook. B r X l .
vol Ü p 334. Harv. in Mack. Fl. Hib. part 8. p. 181. Harv. Man.
p. 39. Kiitz. Phyc. Gm. p. 293. Fkdl. 3rd Suppl. p. 34.
C o n f e r v a radicans, Billw. Supp. p. 57. t. C. E. Bot. t. 3138.
C o n f e r v a olivácea, Billw. Sup.-p. 57. t. C. E .B o t. t. 3173. Hook. El.
Scot. part 2. p. 83.
H a b . O n s an d -co v e red rocks, b e tw e en tid e m a rk s . T c re n n ia l ? A u tum n .
Hare. Bantry, Miss Hutchins. Dumnore, Waterford, Miss A.
Taylor. Orkney, Messrs. Hooker and Borrer. Appm Captt Carmichael.
Torbay, Mrs. Griffiths. Ilfracombe, Land s Lnd, and Mount s
Bay, Mr. B a lfs.
( i E O G B . D i s t r . Iceland. Baltic Sea. Heligoland, ! Coast of France,
Desc r. Root, decumbent, irregularly branched fibres, matted together. Filaments
capillary, from half an inch to an inch m length erect, or decumbent,
forming dense, m'Cgular tufts spreading over the rocks m patches »f ''anoiis
extent, seldom fastigiate; generally, owing to the unequal height of the
lilaments, having a ragged appearance. Branches k f '1“ ’; f
alternate or secund, straight, simple, very erect, destitute of lamuh but
frequently emitting root-like fibres from their lower part, articulated
throuo-hout. ArtiouMiom rather shorter than the diameter, loiigntudiiial y
striate Apices obtuse, seldom sphacelate. Utrides, or spores, ahimdantly
produced along the sides of the upper branclies globose, “
clustered together, sessile, with a narrow pelliicic border, and contaiimig
a dark sporaceous mass. Colour a dull greenish olive, preserved m diyiiig.
Sabslauce rigid, rather harsh, not adhering (or but very sliglitly) to paper,
(lull, and without gloss.
•' it
m
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