Ceramium Casuar inoe D ec. Fl. P r . I I . p . 40. B o n n em . H yd r . lo c .p .8 9 l
L am o u r . D ie t. D ’IHst. n a l. c um ic o n e l
Exs icc. fV ya lt D a nm . n . 43! C/ia iw , Alg. N o rm . n . 7!
Ilab. ail littora oceani atlantici a Scotia usque ad Tingin (Sclious-
boel); in mari mediterraneo ad littora Galliæ et Italiæ.
Radix fibrosa. F ro n s p le rumq u e 3—6 -p o l l io a r i s , oras s i t ie ci roiter
seta cea, a bas i a r t icúlala e t eoor t icata, ramis la teral ibus conformibus o p pos
i t i s vagi sque o bs i la e t ad g eniculum q u o d q u e ramell is b rev ib u s incurvis
oppos i t i s vert ioil lat isve ornata. Ramell i in planta ju n io r e gemini oppos iti ,
in adul ta p lu r e s ver tic illati, lineara c i r c i te r longi, incurvi, infe rne pinnati,
pinni s inflmis sæp e oppos itis, s u p e r io r ib u s sub se cu n d i s , a bas i ad apicem
su bæq u a l i cras s i t ie cyl indraceis , omnibus incurvis . Ramell i in juniore
p la n ta s t r ic t io r e s e t suhf i rmiores , ambo æ q u a l e s ; in adul t iore g eminorum
al ter vel ambo p ro lo n g a n tu r et in ramo s c onforme s exc ros cunt . Artiouli
in caule r ami sq u e diame t ro p le rumq u e S— «pio longiores , int ra memb r a n am
la xiorem e n d o c h roma tenue, ve r sus apices di latatum, fo v en te s ; art iouli
rame l lorum diame t ro 3—Spio longiores . S p hæro sp o ræ inte r iore la tere
rame l lorum ju x t a b a s in ses si les , s e r ia tæ, in t r a p e r i sp o r ium amp lum t r iangule
div isæ. Cys tocarpia apice ramul i te rmina l ia, diame t ro f rondis duplo
oras s iora, involucro rame l lo rum e longa torum suffulta e t cinota, g emmid i i s '
aggrega t is plur imis , r ad ia l im dispos iti s cons t i tuta . Gemmidia initio pyr i formia,
de raum ro tu n d a ta sacculo hyalino laxo s ingula inclu sa.
Var ietatem p. pil iferam, q u am d e s c r ib u n t au c to r e s , p ot ius s tatura p e -
cu l ia rem q u am v a r ie ta tem p ro p r iam. cons ide ro. Planta ju n io r ab adul ta
ta n tum a sp e c tu differt, ut vix e a sd em c r ed e r e s . Cal lith. oppos iti folium
2a. Whangeli .v crassa (7/ooä:. e t H a rv . Alg. T a sm . n . 92) ’’f ronde pel lucide
a r t ioula ta c r a s s a piu n a ta v. bipinnata , pinnis pinn u l i sq u e o p p o sitis
e q uoque geniculo ramellos binos oppos i tos pin n a t im compos i tos
emi t tent ibus , ar t icul is r amo rum diame t ro t r ip lo , r ame l lo rum séxtuplo
longior ibus .
Wr . c r a s s a Hook, e t H a rv . t. c .\ K ü tz . sp. p . 6631
Hab. ad oras Ta sman iæ (Gunn. )
Wr a n g e l iæ mul tifidæ affinis, s e d f rons tr iplo c r a s s io r e t ramell i flr -
mio r e s .” Desor . Auct. t rans s cr ips i .
2b. Wn. PLUMOSA (H a r v . L o n d . J o u r n . 1844 p . 480) caule nodoso a r t ic u lato
t r ip in n a to ; pinni s p in n u l i sq u e n o d o so - a r t ic u la t i s ; nodis omnibus
ramul is ver tic illatis tenuis s imis dichotomi s den s e v e s t i t i s ; cys toc arpi is
te rmina l ibus vix involucrat is , d en s i s s ime ramulis hir t is velati s, art icul is
r amo rum diamet ro 4plo longior ibus striatis .
Wr . plumo sa H a rv . l. c. Alg. T a sm . p . 14. K ü tz . sp. p . 664!
Ilab. ad oras Ta sman iæ (Gunn.)
Frons 6-poll ioaris, dimidiam lineam cras s i t ie æq u an s . Descr . a Kiitz.
mu tu a tu s sum.
J . Ag. Alg. m ed . p . 71 formam s impl iois s imam juveni lem hujus speciei
hodie censeo.
Algam p e r en n em c r e d e r e p ro p e n so s sum. Specimina me nse Majo ad
Massiliam legi, ramel l is omnino d enuda ta. Num itaque ramell i oppos iti
plantte juvenil is in ramo s exc re soa nt , d emum d e n ú d a lo s ; s e r iu sq u e p ro -
veniant ramelli ver tic illati plant® adul t ior i s?
2 . Frondibus in fe rn e c o r tic a tis , su p e rn e a r tic u la tis nudis.
3 . W r . PURPÜRIEERA (H a r v . m s c r . ) f r o n d i b u s i n f e r n e c o r t i c a t i s , a p i c e
l o n g i u s l u u l i s , s u b p i n n a t im r a m o s i s e t a d g e n i c u l a v e r t i c i l l a t im
r am e l l o s i s , r am e l l i s b a s i d i c h o t o m i s s u p e r n e s im p l i c i b u s s u b u -
la t i s a c u t i s , a r t i c u l i s r a m e l l o r u m a d g e n i c u l a c o n t r a c t i s d i a m e t
r o 3 — 4 p l o l o n g i o r i b u s .
Callith amn io n p u r p u r i f e r um H a rv . in Gen. South. A fr . PI. (n o n liüt-
z in g sp e c .)
lla b . a d C a p . b . S p e i (H a r v e y ! ) .
Frondes cæsp i to sæ 2 —3-polUcares , s impl iciusculæ, admo d um oras sæ,
setam c ras s i t ie su p e r a n te s , r ami s s impl ioiuscul is , p o l l ica r ibus au t s u p e r io r
ibus brevior ibus , q u o q u o v e r sum eg r ed ien t ib u s obs i tæ. Rami ramell is ver tici
lla tis ad g en icu lum q u o d q u e eg r ed ien t ib u s ornat i , radioulisque incho-
anl ibus , cor t icale s t r a tum in inferiore p a r t e formant ibus , in su p e r in ferne
vestiti, su p e rn e nudi art iculati. Ramell i vertic illati 4 p l u r e s v e . dupliois
g ene r i s ; alii b reviore s o b lu s i ; alii longiores , su p r a ba s in s eme l au t bis
furcati, dein s impl ice s elongati , 6—8-ar t icul i s co ns ta ntes , a medio ci rc i te r
s ens im acuminat i, ar t iculo b revi acuto te rmina t i . Ramell i b reviore s au t s impl i ces
obtus i au t pinni s pauc is oppos iti s p inna t i . Antber idia in bis sita , t c r -
minalia, et p inni s b r e v ib u s oppos i t i s in voluorata, sp bær ic a , cellu lis a u t filis
brcviss imis clavatis a p u u c lo centrali rad ian t ib u s cons t i tuía , valde conspicua,
lutescent ia, dens is s ima. Articuli f rondis p r ima r i® diame t ro subt r iplo longio
re s, ramorum s u p e r io r e s n u d i s esqui longiores , rame l lorum Spio vix 4plo
diamet ro longiores . Genicula in ramel l is evid en te r c o n t r a d a . Chart® a r d o
ad hær e t . Color ob s cu r e p u r p u r e a s , exs ioc at ione lutesoens e t c h a r t am c o c cíneo
t ingens .
P ianta pulohra e t dis tinciiss ima, s ine dubio hujus gene r i s species
genuina. A s equent ibus , quas in plur imis æmu la lu r , diffe rt s impl ici tate
frondis , f i rmi ta te et cras s i t ie fili p r imar i i , l icet hoc te nuius cor t icatum, et
p ræc ip u e ramel l is mul tiplo cras s ior ibus evid en te r e t a medio acuminat is ,
geiiiculis co n t r a c t i s et ar t icul is brevior ibus . Callith. p u rp u r i f e rum l íü lz .
sp. e s t pia n ta longe diversa.
4, W r . p lebeja ( J . A g . m s c r . ) f r o n d i b u s c o r t i c a t i s s u b p i n n a t im r a m
o s i s e t a d g e n i c u l a v e r l i c i l l a t im r am e l l o s i s a p i c e p o n i c i l l a t i s ,
r am e l l i s r e p e t i t o d i c h o t o m i s a b a s i a d a p i c e m c r a s s i t i e æ q u a l i b u s