liab. s u p r a C o r a i iin a r a o f f ic in a lem e t C y s to s e ir a r u r a p a r t em i n f
e r i o r em in m a r i a t ia n t i c o ad o r a s B r i t a n n iæ e t Gaiiiæ, in m e d i t
e r r á n e o ad Sicilian i (P b i i i p p i ) e t in s u l am B l i o d um ; in m a r i a u s t i a l i
ad i n s u l am No rfo lk s e c . Harv. l. c. ( l u Mus. l l o lm i e n s i e t So c.
r e g iæ S cientia l'. Up sa lin n s ,!)
F ro n s diamet ro 1— 2 -polüoa r is ( fo rma t s e c u n d um Phil ippi in mar i
s t ra tum longi tudine plus q u um ped a le e t c ras s i t ie p lu r e s unc ia s æ q u a n s )
coloris r u b r o - p u rp u r e i 1. albi, c i rcuins c r ipt ione plus minus in formam
s i iborbicula rem tcndens , c ent ro u t vid e tu r ad n a ta arabi tuque libera, im-
b r io a to - lo b a t a ; lobi u n ciam vix u n q u am la ti, omne s hor izontales pulol ier -
r ime imbr icati, tenues , fere papyraoe i , s emici rculares , zonati, ma rg in e fere
integr i s ed plus minus undulat i 1. omnino plani. Keramidia ex a c te b e -
mi sphær ioa, omnino u t in Mas tophor is , q u amq u am min o r a ; e v id en te r poro
p e r tu s a . — A s e q u e n t e specie, cui ma x ime e x omnibus afflnis vidotur,
differt lobis te n u io r ib u s , s emp e r exa c te hor iz onta l ibus , elegant ior ibus ,
formaquo k e r amid io rum valde d iv e r s a , u t cum nulla facile confuiid i
pos si t.
H . M. AGARiciFORMis E l e n c h . p . 2 6 3 ) f r o n d e d e n i q u e s o lu t a
in t u s cava e i lip t i c o - l i em i s p hæ r i c a , e x tu s io b i s c r a s s io r i b u s r o -
tn n d a l i s s in u a t i s u n d u l a t i s im b r i c a t i s I. s iib e r e c t i s u n d i q u e v e s
tita , k e r am id i i s vix p r o n i i i i e n t ib u s .
Mii lepora agariciformis Pali. l. c. — L a m a r c k . Hist. d. a n im . s . v e r te b r .
2 p . 312.
? L i thophyllum e x p a n sum Phil, in Wie ym. A r c h . 1837 p . 389.
Nullipora aga rici formis B la in v . J o h n s to n B r itis h Spongice a n d L ith o p h .
p . 241. W o o d cu t N:o 23 p . 232.
Melobesia ex p a n s a E n d l. S u p p l. 3 p . 49.
Melobesia agarici formis H a rv . P h y c . B r it. t. L X X IIL .
Uab. in m a r i a t la n t i c o ad o r a s H ib e r n iæ , in m e d i t e r r a n e o ad
Sic iliam (P b iii p p i) e t o r a s N um id iæ (P a l l a s ) . — ( in c o l l e c t i o n e Reg.
So c ie t. S c i e n tia r . Ups. !)
Fro n s Coral linæ officinali, u t videtur , p r imi tu s adua ta, denique, ma t r ic e
dis soluta, omuino libera, fundo ma r is inc umb en s , coloris rubr i , in album
ut in ce ter is speciebus , facile mutat i , u s q u e 8-poll icos d iamet ro æquans ,
mine omnino sp hær ic a n u n c forma plus minus elliptica, iiitus p le rumq u e
cava, e x tu sq u e u ndique loba ta ; lobi u n c iam r aro lati plu s min u s s emi ci
rcula re s s eu rotunda t i , undulati, integr i 1. lobulati , h o r izontal i ter imb r i cati
1. subereot i , ra r i s s ime vero, ut in s eq u en te , in te r so conc re t i e t veluti
co n c ame r a t io n e s formantes , nun o tenuiores , n u n c cras s iores , n o rma l i ter
pe rgamenta c e i . Keramidia e t p or i in nos t r is sp e c imin ib u s nulla ex tu s
obs ervantur , a t in tu s seme l vidimus co n g c r iem sp o r a rum, q uæ in p e r i sporio
oblongo q u a t tu o r divisione t ransve rs al i fo rma ta fuisse videbantur .
1 2 . M. DECUSSATA (E U . e t S o l. p . 131 t. 2 3 f . 9 ) f r o n d e d e n iq iio
soliita in tu s s u b c a v a e l lip t ic a r o t u n d a 1. li emi sp i iæric a , cxliis
loliis r o t i in d a i is s iib p l a n is ve rtic iilib u s e t i n t e r so d c c iis s a tim
c o n c r e t i s m a r g i n e s u b i n t e g e r r im i s lo c u lo s a , k e r am id i i s vix p r o -
m in e r it ib u s .
Mii lepora cor iacea L in n . S y s l. N a t. ed. 12 vo i. 1 p . 1283.
Mii lepora d e c u s s a la E l i e t S o l. l. c. — L am o u r . E x p o s , m e th o d ,
p . 47.
Li thophyllum decus sat i im Ph ilip p i in Wiegm. A r ch . 1837 p . 389.
Melobesia de c u s s a ta En d l. S u p p lem . 3 p . 49.
Hab. in m a r i a t la n t ic o a d li tto r a l.iisitaniæ sec. Fil. e t Sol. 1. c.
e t in m a r i m e d i t e r r a n e o a d o r a s Siciliæ se c . Pliilippi 1. c. ( I n c o l -
I c c t io n o Reg. S o c . S c ie n tia r . Up sa lie n s.)
PræcedeiiH a r c te aflìnis e t forsan ejiis var ietas . Frons, u t in illa,
el lipt ica 1. s u b sp hær ic a , in s ta tu r e c e n t i coloris c e r te rubr i , s ed in omni bu
s a nobis visis specimini lius albi, d iamet ro 2— 3-poll icaris , intus plus
minus cava; lobi q uam in pr ior i majores , subver t icale s , n e c u nquam,
qu an tum e x p e r tum h ab emu s , vere hor izontales , ma rgino super ior i tenuiores
p a r um undula t i e t in te r se de c u s s a t im conc re t i . His notis a pr ior i , oum
qua a mul t is for s an ooi i jungere tur , p ræo ip u e differt . Keramidia extus,
u t in seq u en te , p a r um elevata , s ed promin en t ia , poro minimo per iusa .
Qu amq u am Mii lepora co r iacea L in n . S y s t. N a t. ed. 12, quo nomine
in col leol ionibus sæp iu s a s s e rva tur , ad hano sp e c iem p e r t in e r e videtur,
tame n c t p r io r em Mei. agariciformein suo nomine subinte l lexis se Linneum,
pro b ab i le vide tur . Quæ cum ita sin t, nomen ab Ellisio e t S olandro da tum
nul l isque dubiis v ex a tum Linnæano onteferei idum p utavimus . — Lithoph.
do o u s sa tum Phil. l. c. c um pr io r em, tum hano speciem oomple c te re videtur
.
13. M. STICTÆF0RM1S ( A r e s c h . m s c r . ) p a g i n a i n f e r i o r i a d n a t a am b i tu
so lu ta , f r o n d e fo li á c e a s tic tæ f o rm i s u p r a f a r i i i o s o - s u b s c a b r a s u b tu
s d is c o l o r i , l o b a t a , lo b is s u b im b r i o a t i s r o t u n d a t i s c o n v e x is
u n d u l a t i s m a r g i n e s u b i n t e g r i s , k e r am id i i s elev a tis p e r lo b o s
sp a rsis.
'? L i tl iophyllum e x p a n sum Phil, in Wiegm. A r ch . 1837 v. 2 p . 389.
Hab. in m a r i m e d i t e r r a n e o (Co llect. Reg. Soc. S c ie n t. Ups.)
Ex omnibus hujus g ene r i s sp e c ie b u s S t iotæ 1. Pel t ig e ræ cu idam maxi me
similis. Fro n s p e r longa sp a l ia rupe s , veluti Pe l t ige ra q uæd am, tegere
vide tur , omnino hor izontal is , foliácea, su p r a ( in exs iocatis salt im sp e c i -
niinibus ) alba, f a r iuoso- soabra, su b tu s coloris flavesoentis, lobata. Lobi
in gene re maximi , ro tunda t i , 2—3-pol l ices diamet ro æq u an te s , n u n c plani
omnino, min e plus minus convexi e t imlir icati, q u am in pr ior i for s an c r a s siores
. Keramidia p e r totam f rondem 1. lobos spar sa, minuta, v e r e elevata