P l a t e CCCXVII.
BANGIA? CERAMICOLA, Cliauv.
G en . Gh a r . Frond filiform, tubular, composed of numerous radiating
cells, disposed in transverse rows, and enclosed within a hyaline, continuous
sheath. Spores purple or green, one formed in each of the
cells of the frond. B angia {Lyngh.),—in honour of Hoffman Bang,
a Danish naturalist and friend of Lyngbye.
B angia ceramicola ; filaments parasitical, very slender, flaccid, elongated,
rosy ; articulations once or twice as long as broad, longitudinally
striate ; the endochrome “ at length globular and escaping through
the broken tube.” {Carm.)
Ba n g ia c e ram ic o la , Cliami. Recherches, &c,, p . 3 9 . H a n . Man. e d , ii. p . 3 1 8 .
C e e a m iu m c e ram ic o la , Ag. 8p. Alg. v o l. ii. p . 1 5 5 .
G o n i o t e i c h u m c e ram ic o la , Kiitz. Phyc. Gen. p . 3 4 4 . Sp. Alg. p . 8 5 8 .
(Excl. syn. Carm)
CoNFEETA c e ram ic o la , Lyngh. Hyd. Dan. p . 1 4 4 . t . 4 8 . D . Hooh. Br. El.
v o l. ii. p . 8 5 5 . H a n . Man. e d . i. p. 1 8 3 .
H ab. Parasitical on the smaller Algæ, in tide-pools. Appin, Captain
Carmichael. Arran, on Polysiphonia nigrescens, Rev. B . Landsborough.
Torquay, on Cutleria multifida, Mrs. Oriffiths.
G e o g e . D i s t e . S h o r e s o f N o r t h e r n E u r o p e ,
D e s c e . Mlaments a b o u t a n in c h o r a n in c h a n d a h a l f i n le n g th , a tt a c h e d a t
b a s e , f lo a t in g in t h e w a t e r lik e t u f t s o f fin e f lo s s -s ilk , e x tr em e ly s le n d e r ,
b u t n o t o f e q u a l d i am e te r , som e f ilam e n ts b e in g tw ic e a s b r o a d a s o th e r s ,
u n b r a n c h e d , a r t i c u l a te d . Articulations e ith e r a s lo n g a s b r o a d , o r , m o re
c om m o n ly , tw ic e a s lo n g , s lig h tly c o n s tr ic t e d a t th e d i s s e p im e n ts , th e
e n d o c h rom e fin e ly s t r i a t e lo n g itu d in a l ly , a n d a p p a r e n t ly c o n s is t in g o f
r a d i a t i n g c e llu le s p l a c e d s id e b y s id e ;— b u t th e e x a c t s t r u c tu r e n o t e a s ily
s e e n a f t e r t h e p l a n t h a s b e e n d r ie d , in w h i c h s ta t e , o n ly , h a v e I s e e n i t, a n d
I h a v e n o t s u c c e e d e d i n g e t t in g a t r a n s v e r s e s e c tio n . S om e tim e s (as a t
fig . 3 ) t h e a r t i c u l a tio n s a p p e a r em p ty ; th e e n d o c h rom e h a v in g e s c a p e d .
Colour a b e a u ti f u l ro syT -e d . Substance d e lic a te ly m em b r a n a c e o u s . In
d ry in g , tb e p l a n t a d h e r e s c lo s e ly to p a p e r .
Our figure is taken from a specimen communicated by tbe
Rev. D. Laiidsborougb, and exbibits tbe characters of tbe plant,
so far as it is possible to arrive at tbem from a dried specimen,
VOL. I II . X
t Nubrl. imï.