a. Fucicolæ, minores, fronde i— 4 lineas diametro v ix
superante.
1. M. membranacea CFsp. Zooph. t. 1 2 f 1— /i) to ta p a g i n a in f e r io r i
a d n a t a , f r o n d e p l a n a s u b o r ld c i i l a r i s u b i n t e g r a , s u jir a s i i b s q u a -
i n u i o s o - im b r i c a t a , vix c o n f l u e n t e , k e r am id i i s in c o n s p i c u i s c c n -
tiTim o c c u p a n t ib u s .
Coralliua memb r a n a c e a Esp . l. c.
Melobesia memb r a n a c e a L a m o u r . IK s t. des Fol. fl e x . p . 3 1 5 . liûl%.
Ph y c. g en . p . 385 t. 78 / i 1. S p e c . p . 696. U a rv . N e r . a u s t r .p . 111. Ma n .
ed. 2 p . 109.
llab. Z o s t e ræ m a r i n æ e t Pliyc eis p ræ s e r t im p la n is in s id e n s , in
om n i b u s f e r e m a r i b u s o b v ia ; o p t im a v e r o in m a r i a t la n t i c o ab o r is
N o r v e g iæ u s q u o ad p r o m o n t o r i u m Cap. b. s p e i ( t l a r v e y ) . In m a r i
m e d i t e r r a n e o n o n in f r e q i i e n s . (Ho rb . p r o p , e t a l io r.)
Fro n s iu p r ima infantia te nuis s ime memb r a n a c e a , su b ru g o s a , vix calca
re a, coloris g r i s e o - coeru le s e e n t i s ; adul ta c a lcare a, n u n c r u b r a 1. p u rp u r e a ,
mino c r e t a c e o - a lb a 1. viresoens , d iamet ro s emi l ine am 1. u sque 2 lineas
æq u a n s , ra r ius a c ent ro ad p e r ip b e r iam, u t Melobesia farinosa, r imosa,
su p r a modo lævi s, modo lame l loso- imbr ic a ta . Keramidia plus minus n u me
rosa , c e n t rum o c c upant ia , ora f rondis ten u i s s ima e t s u b o r i sp a r ema n e n te
libera, nudo oculo vix conspicua.
2. M. farinosa (Lamour. ilist. des Pol. flex. p. 3 1 5 t. 12 f 3 )
to t a p a g i n a i n f e r io r i a d n a t a , f r o n d e p la n a s u b o r b i c u l a r i r im o s a
s u b s q u am u l o s o - im b r i c a t a m o x c o n f l u e n t i f a r i n æ f o rm i , k e r am id i i s
in c o n s p i c u i s to t am f r o n d em o c c u p a n t ib u s .
Melobesia fa r in o sa L a m o u r . t. c. Z a n a r d in i Saggio p . 44. M t z . S p ec ,
p . 696. IJa rv . M a n . ed. 2 p . 109.
? Melobesia g r an u la ta M en eg h in i. — K ü tz . t. c. p . 696.
Hab. P h y c e is p ræ c i p u e fo lia c e is i n n a s c e n s , in m a r i a tla n t ic o ,
m e d i t e r r a n e o e t a d r i a t i c o f r e q u e n t e r . Ad o r am C a p e n s em in Hb o -
d o r a e n i a f im b r i a t a ; in m a r i r u b r o in foliis S a r g a s s o r um e t in m a r i
a u s t r a l i a d P o r t P h ilip p e E c k lo n iæ R ic h a r d ia næ in s id e n s .
Fro n s in pr ima infantia, u t pr ior i s speciei, te nuis s ime memb r a n a c e a ,
adul t ior magis ma g i sq u e oa lc a reo-ve s t i ta e t coloris nuno c r e ta c e o - a lb id i
nuno p u rp u r e i , a c ent ro ad p e r ip h e r iam i r r e g u la r i te r r imo so -e x sc i s sa , supra
rar ius squa rauloso- imbr ic a ta , d enique oum vic in is f rondibus plus minus
ir r e g u la r i te r conflucns, u t ipsa ma t r ix quas i farina c o n sp u ro a ta vide atur .
Keramidia u t in Melobesia memb r a n a c e a , s ed non solum p e r c e n t rum frondis
verum p e r to tam h an c sp a r s a . — Melobesia gran u la ta Meneghini q u o dammodo
ad p r io r em a c c e d e n s , p ro p r ie a d hanc sp eciem, si q uid valeant
auc tor is specimina , p e r t in e r e videtur . Eq uidem u t r amq u e c h a ra c te r ib u s
null is es sent ial ibus dis t inguere pos sum.
3. M. VERRUCATA ( L a m o u r . H is t, d e s P o i. f l e x i b . p . 3 1 6 ) tota pag
in a in f e r i o r i a d n a t a , f r o n d e p la n a s u b o r b i c u l a r i m o x in c r u s t am
c r a s s iu s c u l am fr a g i lem, s n p r a m i n u t e l am e l l o s o - im b r i c a t am , i n -
d c t e rm i n a t am c o n f l u e n t e , k e r am id i i s i n c o n s p i c u i s d e n s is s imi s
t o t am c r u s t am o c c u p a n t ib u s .
M. v e r ru c a ta L am o u r . t. c. K ü lz . S p ec . p . 696. — H a r v . Man. ed,
2 p . 109.
llab . flo rid e is in s i d e n s in ma r i a t la n t i c o , a b o r is R r it a n n iæ n s q n o
in m a r e m e d i t e r r a n e um . Ad o r a r a Rrasiliæ in Ity iip b læa o b tn s i l o b a
p a r a s i t i c a . (H e r b , p r o p r . e t a l io r .)
Frons in itio, u t p ræoede nt iura , tenuior , suborbicular is , mox vero in
ma t r ic e oum vic in is in c ru s tam cra s s ius culam, fragilem, magni tudine atque
forma omnino in d e te rmin a tam, nun q u am r imoso-exsoi s s am, su p r a minute
lamel loso- imbr ioatara , color isquo mino rubr i nu n o p u rp u r e i 1. c r e t a c e o -
albid i, conl luens . Keramidia q u am in p r ior ibus fere minora, dens is s ime
e t p e r to t am c ru s tam æq u a l i te r spar sa.
4. M. PüSTULATA ( L a m o u r . H i s t , d e s P o t. f l e x . p . 3 1 5 t. 12 / . c.
BJ to t a p a g i n a i n f e r io r i a d n a t a , f r o n d e d e i n c r a s s a c o n v o x o -
p n lv i n a t a s u b o r b i c u l a r i lævi im b r i c a t a , d e n i q u e c o n i lu e n t i , k e r a mi
d iis c o n s p i c u i s p e r to t am f e r e f r o n d em s p a rsis.
Melobesia p u s tu la ta L a m o u r . t. c. K ü lz S p e c . p . 696. — I la r v . N e r .
a u s tr . p . 110. — Ma n , ed. 2 p . 109.
llab. F l o r i d e i s a l iis q u e Algis in s id e n s , in m a r i a t la n t ic o a b o ris
R r it a n n iæ u s q u e in m e d i t e r r a n e u m e t a d r i a t i c i im ; in p a c ifico m a r i
a d in s u l am N o r f o lk , se c . Ila rv ey 1. c. (Ho rb . p r o p , e t a l io r .)
Omn ium dis t inct i s s ima sp e c ie s e t cum ce ter is vix oonfundenda. Frons
ini lio plana, suborbicular is , a t s en s im vege tat ione su p r a lame l loso- imbr i ca
ta plus minus pulvinata, coloris rubesoent is , vi re sc ent is 1. albi, 1 — 3
lineas diamet ro æq u an s , d enique cum aliis f rondibus in c ru s tam p lus minus
in d e te rmin a tam, o r a s s am oonfluens. Ke ramid ia mami l læformia, q u am in
p ræc e d e n t ib u s majora, n udis oculis per -o o n sp io u a .
5 . M. AMi'LEXiFRONS (H a r v . N e r . a u s l r . p . 1 1 0 ) f r o n d e laxo am p l e -
c t o n t e c r a s s a lo b a ta r u g o s a , k e r am i d i i s m i n u t i s s im i s im m e r s i s
imib ilic a tis fe ro p o r i f o rm i im s .
Hab. P o r t Natal in Gelidio.
Melobesiæ p u s tu la tæ afünis, sed major, c rus ta mul to cras s ior i k e r a -
midi isque ins igni ter parvi s valde imme r s i s ( I larv. 1. o.)
' . i