s e s s i le s , sæ p e g em inæ intra in v o lu c r um , r am e llis c o n fo rm ib u s 4 — 5
c o n s litu t iim ; n u c le u s ro tu n d a tiis .
G en u s C e ram io ita p r o x im um , u t an ju r e d is tin c tum s it d u -
b ita r em . N u llo om n in o c b a r a c te r e d iffe r t, n is i c e llu lis c o r tic a lib u s r e g
u la r ite r s e r ia tis . Quo fr e tu s c lia ra c to r e sp e c iem ly p ic am g e n e r is
ad S p y r id iam ( in .Alg. m e d it e r r a n .) r e tiili, sp hæ r o sp o r is tu n c t em p
o r is m ih i ig n o tis . Ilis v e r o a M o n ta g n e o d e t e c t is , e t a K ü tz in g io
d e in p ulch ra an a ly si iilte r iu s illiistr a tis , a liam d e affin ita te haruiu
p la n la r iim id ea in am p le c ti n e c e s s e e s t. G en u s ita q u e C o n tr o c e r a -
tis , a K ü tz in g io in to r e a fo rm a tum , cum M o n ta g n eo h o d ie a s s i im e n -
d um p illa v i, a d je c ta s p e c ie , q u am in te r C e ram ia a K ü lz in g io e n u -
m e r a tam s u sp ic o r , s tru c tu ra c o n v e n ie n t em , at d e f e c tu sp in u la rum
a b lu d en tem .
S p e c ie s n um e r o s a s , q u a s e n um e r a v it K ü tz ing , u n iu s e ju sd em q u e
s p e c ie i fo rm a s , n e v a r ie ta tis q u id em n om in e d is lin g u e n d a s , c e n s e o .
Cfr. J . Âg. A d v e r s . p . 2 2 e t sq u .
1. C. Ci.NNABARiNüM (G r a t. m s c r . ) f r o n d e c a p i l l a r i i n e rm i r e g u l a r i t e r
d ic lio tom o - fa s t ig ia la , p r o liflc a tio n ib u sq u e sp a r sis o b sita , s e gm e n tis
t e rm in a lib u s fo r c ip a tis e r e c t iu s c u l i s , a r tic u lis in fe r io r ib u s
d iam e tr o 2 — 3 p lo lo n g io r ib u s , fru c tib u s. . .
Boryna cinnabarina Gralel. m sc r.!
Boryna eleg an s /S. cinnabarina Bonnem. Ihjdr. loc. p. 86!
? Ceramium ordinatum K ütz. P/iyc. yen. p. 381. Sp. Alg. p. 686!
Ilab. in mari adriatico et mediterraneo.
Cæspes b ipo llica ris, purpu ra scens. Fila capillari c r a ssitie , a b a si ad
ap icem parum attenuata, regulariter dichotoma e t prolificationibus spa r sis
demum conformibus subramosa. A pices parum incurvi, v elut tota planta
a ou le is omnibus d e stitu ii. Articuli ramorum minorum diametro æquales
aut s e sq u ilo n g io r e s, maiorum 3plo lon g io r e s. Cellulæ co r tica le s æque
latæ ac longæ, se r ieb us longitudinalibus d isp o sitæ , transversaliter alternæ,
h. e. in ser ieb us v ic in is non e r eg ion e p o sitæ . Genicula parum elev a la .
Fructus non vidi. Chartæ adhæret.
Hanc spe c iem e s s e Grateloupii veram sp e c im in e authentico ce r lio r
fa ctus sum. Cum Cer. ordinato Külz. quoad descriptionem con v en it, nisi
quod articulos diametro æquale s d escribit. Suam sp e c iem inter Ceramia
d isp o su it Kützing; Grateloupianam Cer. clavulato proximam puto.
2 . C. CLAVüLATUM (A g . m s c r .) f r o n d e ca p illa r i sp in u lo sa r e g u la r ite r
d ic lio tom o - fa s t ig ia ta , d em um e x a x illis p r o lif e r a , s e gm e n t is t e r -
m in a lib iis in c u r v a t o - f o r c ip a t is , a r ticu lis in fe r io r ib u s d iam e tr o
4— 6 p lo lo n g io r ib u s , g e n ic u lo r um s p in u lis v e r tic illa tis , sp liæ -
r o sp o r is c ir ca g e n ic u la p r o lific a tio n um v e r tic illa tis em e r g e n -
tib u s , fa v e llis g em in a t is , in v o lu c r i ram is 4— S fa v e llam s u p c -
rantibus.
Ceramium clavulatum Ag. apud Kunlh. Syn. pl. æquin. 1 p . 2. Sp.
Alg. I I . p. 182! Alari. Bras. p . 14. Aloni. Cuba p. 26 lab. 2 fig. \ el Canar.
Cr. p. 173!
Spyridia clavulata J. Ag. Alg. med. p. 80! Alont. Bon. p. 53! Pot.
sud. p. 9 3 /
Centroceras clavulatum Mont. Fl. Alg. p. 140!
Centroceras sp. omnes K ü lz. in Linnoea 1841. Phyc. gen. tab. 46 fig.
Y ! Sp. Alg. p . 68 8 ! Sond. Alg. Preiss. p. 20!
Boryna torulosa Bonnem. Hydr. loc. p. 58!
Ceramium Gasparinii Afenegh. in Giorn. Bot. 1844 p. 186.
Boryna cibata Bory ap. Belang. Yoy. In d . Orient, p . 177 (fide Mont.)
Boryna Borbonica Gral. m s c r .!
Ilab . in o c e a n i s c a lid io r ib u s u b iq u e ; in a tla n tic o a C ana r iis
ad Cap. b. S p e i! , a V e r a -C ru z ! u sq u e ad R io - J a n e ir o ! ; in m e d it e r r
a n e o ! ; in p a c ific o a C a lla o ! e t T a iti (J a c q u in oQ ad in su la s S a n d w
ic h ! ; in in d ic o a litto r e H in d o s ta n iæ ! u sq u e ad B o u rb o n ! e t littu s
o c c id e n t a le N o væ H o llan diæ (P r e is s ).
Cæspites 2— 3p o llica re s purpurei. Frondes te r e te s capillares, a b a si
ad apicem æqualera c r a ssitiem serv an tes, subregularite r diohotomæ, fru cti-
feræ prolificationibus e x axilla emerg entibus singulis aut g eminis quasi
polyohotomæ. A pic e s supra axillam patulam incurvi, ex im ie forcipati.
Articuli infer iores plerumque diametro 3p lo— 6plo lon g io r e s, aliquando
8plo diametrum superante s, sup er io re s br ev issim i. Spinulæ a b a si la ta
acutis.simæ, plerumque biartioulatæ, circa g en icula simp lic i se r ie v e r tic illatim
d isp o sitæ , in segm en tis terminalibus p ræcipue oon sp icuæ e t externo
forcipum la te re sæ p iu s majores, inferne e t interno la te re o b s o le t e aut
min o re s. Cellulæ co r tica le s hex a edre re ctangu la res. Sphærosporæ in s e g m
entis terminalibus p ræcipue prolificationum axillarium evolutæ, circa g e nicula
to rulo sa v er ticilla tim d isp o sitæ , sub ex te rnæ . Favellæ sæp e g emin
a t e , ramis 4 - 8 umbellatim d isp o sitis, n u c leo favellæ duplo longior ibus,
involucratæ.
S p e c ie i vu lg a tissim æ formas in n ume rosas sp e c ie s divisit Kützing, do
quibus cfr. J. Ag. Advers. p . 22 et squ.
XV. C A M P Y LÆ P I IO R A j . Ag. m s c r .
F r on s filifo rm is d ic b o t om o - r am o s a im m e r so a r tic u la ta , c o r tic a ta ,
c o r tic e c e llu la n iin stra tis d u o b u s c o n s ta n te , in t e r io r e c e llu lis la x i -
o r ilm s e lo n g a t is , su p e r fic ia li c e llu iis m in o r ib u s r o tu n d a tis c o n t e x to
. S p hæ r o s p o r a ; in a p ic ib u s in c r a s s a tis in cu r v is im m e r sæ , c i r -