n
i
P l a t e CCCVIII.
CALLITHAMNION FASCICLLATLM, Harv.
Gen . C h a r . Frond rosy or brownish-red, filamentous ; stem either opake
'a n d cellular, or translucent and jo in ted ; branches jointed, one-tubed,
mostly pinnate (rarely dichotomous or irregular) ; dissepiments hyaline.
F ru it of two kinds on distinct plants : 1, external teiraspores, scattered
along the ultimate branchlets, or borne on little pedicels ; 3, roundish or
lobed, berry-like receptacles (favella), seated on the main branches, and
containing numerous, angular spores. Ca l l it h a m n io n [A g ), from
KaXXos, beauty, and bagmov, a little shrub.
C a l l it h a m n io n fasc iculatum; tu fte d ; branches erect, flexuous, level-
to p p ed ; plumules elongate, erect, linear-obovate, tru n c a te ; pmnæ
long and flexuous, th e lowermost simple, appressed, the upper
erecto-patent, branching toward th e tip ; articulations of the
branches veiny, thrice as long as broad, of th e pinnæ once or twice as
long as broad, with contracted dissepiments.
C a l l it h a m n io n fasciculatum, S a n . in Hook. Br. FI. vol. ii. p. 343. H a n .
Man. ed. 3. p. 179. Kütz. Sp. Alg. p. 6B2.
H ab . At Yarmouth, Mr. Borrer, in Herb. Hooker.
G e o g r . D i s t e .
D e so r . Frond from two to tliree inches high, nearly bare iOR. rrona irom ivvu m ic e of ,,b ranch• es bcelow,
much branched and tufted upwards, bushy, capiUary; the apieesot the
branches looking, to the naked eye, as if truncated or corymbose.
1 r. J. a T - _____ i^l/^cl£*lvr rYlnrmiln+.P UlclliCUCa lUUa-lUg, VW U11LV.1 AACVAXV./AA w, . ' , , , 1 ,
long and flexuous, very erect, their upper half closely plumulate.
lloonngg aannda nnaarrrrooww,, wwiiuthu aa linear-ohqvate co.r sp-a-t-h--u--l-a-t-e o- u, tline-, erect,- the
lowermost pinnæ quite simple, moniliform, with contracted joints and acute
terminal ceUs ; the uppermost graduaUy longer and more spreading, branching
at the apex. Articulations of the branches veiny, from three to tour
times as long as broad ; of the lesser branches (or rachides of the plumules)
about twice as long as broad; of the pinnules oval, twice as long as broad,
with very contracted dissepiments. Tetraspores eUiptical, mostly solitary,
toward the base of a pinnule. Colour a fine purple-red. Substance membranaceous,
adhering to paper.
I have deferred figuring Cal. fasciculatum of the Bnt. Flora to
this late period, in the hope, disappointed hitherto, that some