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3. A. RIGIDA (Lamour. Poi. flex. p. 2 9 7 t. 11 f. 1) fronde cæspito.
sa d e n i q u e i a p id e s c e i i t e s u b r e g u l a r i t e r d ic l io t om a s u p e r n e
a t t e n u a t a , a r t ic u l is c y l in d r a c e is d i am e t r o 6 p l o— S p io lo n g i o r ib u s ,
g e n i c u li s lin eæ f o rmi liu s .
? Amphiroa lucida L am o u r . Poi. fle x . p . 297.
Amphi roa ver ru cu lo sa K iilz . Ph y c. g en . p . 387. — S pec . p . 700.
Amphi roa cladoniaeformis M en eg h .; K ù tz . Spec, p , 700.
Amphi roa spina liU lz. Phy c. y e n . p . 387. — S p e c . p . 700.
Amphi roa amethys t ina Z a n a r d .
Amphiroa i r re gula r is K iilz . P h y c . g e n . p . 387. — S p ec . p . 700.
Corallina amethys t ina Z a n a rd .
Hab. in m a r i a d r i a t i c o e t m e d i t e r r a n e o u s q u e ad in s u l am R b o -
d um , u t v id e tu r , n o n i n f r e q u e n t e r (Ite ri), p r o p r . , S o n d e r i e t L e n o r m
a n d i ) .
F ro n s poll icaris 1. sesquipoll icar is , c ras s i t ie p r iorum, plu s minus r e -
gula r i tor dic h o toma ; ju n io r r u b e s c e n s , magis cæsp i to sa e t regula r i te r
dichotoma minusque a p ic em ve r sus at ten u a ta f r agi l isque; adul ta coloris
c re ta c e o -g r i s e i , i r re gula r i te r d ic h o toma , p ræ s e r t im infe rne la pides cent i -
in o r a s s a ta ind e q u e s u p e rn e a l ten u a ta . A p r ior ibus sp e c ieb u s h abi tu loc o-
q u e pot ius q u am c h a ra c te r ib u s d i s t in c ta ; formas hujus tenuiores pro .Amph.
fragi lis s ima habui s s e n obis vide tur Lamouroux.
De synonymia mul ta r e s ta n t dubia . An sp e c ie s Lamourouxiana , null is
vis is s p e c imin ib u s authent icis , s i t vere nos t ra species , pro c e r to aff i rmare
n on p o s sumu s ; descr ipt io tamen b en e oongruit , n ec ulla adest , u t opinamu
r , in ma r i me d i te r ra n eo species , q uæ q uam n o s t r a melius ad Amph.
r igidam Lamour . refer r i possit. P u ta t quidem Cel. Decai sne (A n n a l, des
S c ie n c . n a t. 1842 B o t. v . 2 p . 12S in n o tu la ) Amph. r igidam Lamour .
e s s e Amph. f ragi lis s imam, q u am in ma r i me d i te r ra n eo c r e s c e r e a s s er i i
Kutzing; hæc vero species , u t n o s t r a fer t opin io, in mari me d i te r ra n eo non
c re s c i t . — Diagnos is Amph. luc idæ a Lamour . 1. c. da ta in speoimina
n o s t ræ p l a n tæ ex Rhodo a c cepta b e n e q uadrat .
4. A. BREVIARTICUL.ATA (Aresch. mscr.) fronde crassiori subirregular
i t e r d i c l i o t om o - r am o s a s u p e r n e s u l i a t t e n u a t a , a r t ic u l is c y l in d
r a c e i s d i am e t r o 2 p l o— 5 p l o lo n g i o r i b u s , g e n i c u li s s u b l i n e æ -
fo r r a ib u s .
Hab. in m a r i I n d iæ o c c id e n t a l i s (H e r b . S o n d e r i . )
Specimini s , quod solum vidimus , frons c i r c i te r poll icaris 1. paululum
u l t r a , 1—2 mi l l imet rum c r a s s a , coloris f lavesoent i -gr i se i , r amo s i s s ima ,
q uam in pr io r ib u s firmior a tq u e obes ior . Rami ramu l iq u e basi ap ic eq u e
p aululum at tenuat i . Articuli cyl indracei, ramifer i soli hio illic c omp r e s -
s iusculi e t subouneat i . Ab omnibus p ræc e d e n t ib u s br ev i ta te a r t iculorum
f rondeque cras s ior i e t obes ior i d is t incta , neo cum seq u en t ib u s facile oonfundenda
. — S p e c imen d e s c r ip tum in c omp le tum es se memo r a r e opor te t .
Amphi roa nodula r ia D e c a isn e in A n n a ì. d. S c ie n c . n a t. W h l . B o t. vo i.
2 p . 123, huic n o s t ræ speciei forsan ma x ime affinis, nobis piane es t ignota,
min ime vero, u t op in amu r , cum Corallina Nodular ia Lamour . confundenda .
5. A. CAPENSIS (Aresch. mscr.) f r o n d e l a p i d e s c e n t e s u b i r r e g u l a r i t e r
d i - t r i c l i o t om a s u p e r n e s u b a t t e n u a t a , r am i s s u b p a t e n t ib u s , a r t i c
u lis d i am e t r o 2 p l o— 5 p lo lo n g i o r ib u s , e r am i f e r i s c y lin d r a c e is ,
r a n i if n r is s n b c n n e a l i s , g e n i c u li s i n f e r i o r i b u s lo n g i o r ib u s n i g r i -
c a n t i b u s , s u p e r i o r i b u s l i n eæ f o rm i b u s .
Hab. in s in n Ta b u la i'!, n e c n o n Bay F a ls o d i c lo Cap itis b. s p e i
m i n im e i n f r e q u e n t e r (H e r b , p r o p r . )
Callus radioalis oculatus , mul t ic eps . Fro n s u sq u e 3-pol l icari s e t fere
2 mi l l imet ra cras s i t ie æq u an s , coloris a lbido-vi resoent is 1. omnino vi res
c e n t i s , s u p e rn e norma l i te r p au lu lum a t ten u a ta , a t n o n n u n q u am ramis
ramu l i sq u e apioem ve r su s p aululum inc ras sat is . Articuli in te rd um ita
approximat i , u t ar t iculus ar t icu lum ta n g a t et g eniculum linea transversal i
ta n tum n ote tur , sed norma l i ter , u t in Amphiroa ep h e d ræa , p ræ s e r t im inferne,
ita dis tantes , u t g eniculum nigre sc ens sit diamet ro solummodo 2 plo
brevius, medio nuno an gus t iorès n u n c ibidem paululum inc ras sat i , ramiferi
soli s u p e rn e p le rumq u e la tiores, s ed vix vere cune a t i . Keramidia f requent ia
u bique p e r f rondem spar sa.
Mirum sane quod s p e c iem ad i i l tora Capensia f requentem, colore, r i gidi
tate atque f ragili tate la p id eo - c r e ta c e a , n e c non geniculis nig r io an t i -
b u s ins ignem, a pud a u c to r e s d e s c r ip tam a nobis n u n q u am inve ntam fuisse.
6 . A. CRETACEA (Post. et Rupr. lllu str. p. 2 t. XL. f. 1 0 4 ) f r o n d e
la p id e .sc en te i r r e g u l a r i t e r d i - l r i e l i o t o m e - r am o s a , s u p e r n e a t t e n
u a t a , r am i s r am u l i s q u e d iv a r i c a t o - d e f l e x i s sæ p e in s ig n i t e r a t t e n
u a t i s in t o r t i s q u e , a r t ic u l is d i am e t r o 2 p lo I. 4 p lo l o n g i o r i b u s
l o n g i t u d i n e s u b a l t e r n a n t i b u s , g e n i c u li s s u b l i n eæ f o rm i b u s .
Coral lina c r e ta c e a P o s t, e t B u p r . l. c.
Hab. in p a r t e s e p t e n t r i o n a l i Oc e a n i pacifici ad li tto r a H n a i a s c b -
kæ (H e r b . Mus. P e t r o p o l i t a n ) .
Ab Ampi), oapens i facile dis t incta, A. brev ia r t ic u la tæ vid e tu r affinior,
at f rons p au lu lum c r a s s io r e t rami r amul ique divar icato-def lexi, sæ p e hue
i l lucque curvat i, oras s i t ieque ma x ime va r ian te s v e ram dif ferentiam suade re
videntur .
Amph. Nodular ia D e c a isn e A n n a l, d. S c ie n c . n a t. 1842 B o t. vo i. 2 p .
123, seu, s e c u n d um auc torem. Corallina Rosar ium L am a r c k . M em . du Mus
e um I I , es t, u t p . 122 c o n ten d i t auc tor , s u p r a d e s cr ipta species . Quid
sit Corallina Rosar ium L am a r c k . I. c. p . 234, nos quidem fugit . Corallin
am Nodular iam L am o u r . Pol. fle x , h u e non pe r t in e re , s u p r a diximus ;
cfr. sub Coral lina officinali.
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