f ! î L
m
W . H H . a e l o t l i f l L . RfiiwH Hi'tiI. i.ii d: n«cvB. iinp_
Ser. RiioDOSPEMreÆ. Pam. Spongwcarpeæ.
P l a t e CLXXXVII.
CHONDRUS NORVEGICUS, Lamour.
G en . C h a r . Frond cartilaginous, nerveless, compressed or flat, flabelliform,
dichotomously cleft; formed internally of three strata; the inner, of
densely packed, longitudinal fibres; the medial of small roundish
cells ; the outer, of vertical, coloured, moniliform filaments. Fructification,
1, prominent tubercles (nemathecia) composed of radiating
filaments, whose lower articulations are at length dissolved into
spores (?) ; 2, tetraspores collected into sori, immersed in the surface
of the frond ; 3, fa v e llid ia , scattered through the surface, composed
of minute spores. C hondrus (8tach.),— b om xov&pos, cartilage.
C hondrus Norvégiens ; frond linear, dichotomous, flat ; the axils patent ;
the apices rounded ; favellidia minute, imbedded in the substance, or
prominent, sessile warts (nemathecia) scattered over both surfaces of
the frond.
C hondrus Norvegicus, Lamour. Ess. p. 89. Lyngh. Ilgd. Ban. p. 16. Giev.
Alg. Brit. p. 130. H a n . Man. p. 77. H a n . in Mack. El. Hib. pa rt 3.
p. 202. Wyatt, Alg. Banm. no. 120. J. Ag. Alg. Medit. p. 95. Mont.
El. Algier, p. 117. Endl. 3rd Suppl. p. 3-9.
S ph -Ebococcus Norvégiens, Ag. Sp. Alg. vol. i. p. 255. Ag. Syst. p. 318.
Spreng. Syst. Veg. vol. iv. p. 335.
O ncotylus Norvegio,us, Kiitz. Phyc. Gen. p. 411.
PucDS Norvégiens, Gunn. I I . N o n . vol. ii. p. 122. t. 8. f. 4. Turn. Syn.
p. 222. Turn. Hist. t . 4 \ . E. Bot. i.l9 3 9 . Stack. Ner. B n t. i . \ 3 .
Fucus Devoniensis, Grev. in Wern. Trans, vol. iii. p. 396.
R a b . On r o c k s , near low-water mark. Annual? September to March.
Rather rare. Dover and Swansea, B illw yn . Exmouth, S ir T. Franh-
latul. Devonshire (several places), Mrs. Oriffiths. Sussex, Mr. Borrer.
Ealmouth Bay, Miss Warren. Mounts Bay, M r. R a lfs. Blymouth,
R e v W. 8. Hore. Bantry, Miss Hutchins. Youghal, M iss B a lt.
Miltown Malbay, &c., and Wicklow, W. 11. H . Antrim, Mr. Moore.
. Saltcoats, R ev. B . Landsborough.
G eoor. D is t r . Coast of Norway, Gunner. More frequent on the shores of France
and Spain, Mediterranean Sea.
Descr Boot, an expanded callus. Eronds two to throe inches high, more or
less tufted rising with a short, cylindrical stem, as thick as small twiiie,
which soon forks, and almost immediately flattens, gradually widening till
it becomes from an eighth to a quarter of au inch in width, again torks
and repeats this process more or less regularly three or four times ; the
seo-ments continuing nearly of the same breadth throughout and ending
iii° a very hluiit, simple, or emarginate point, all th e axüs remarkably
pa te n t Sometimes there is scarcely any stem, the frond branching nearly
from the base ; iu other specimens the undivided stipe is sometimes nearly
ill
;