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Deles ser ia ocellata L am o u r . E ss. p . 38. Ag. sp. I . p . 187 e i S g s l. p .
232 ! Gre v. Crg p t. fi. lab. 347 !
Nitophyllum oce l latum G re v . Alg. B r it. p . 78! .7. Ag. Alg. med.
p . loG.
Aglaophyllum ocellatum M o n t. Fl. Atg. p . 58! Z a n a rd . Sagg. p . 46.
K ü lz . Phgc. p . 443. S p . Alg. p . 867 !
Delesser ia te ne r r ima G re v .\ in Tr. L in . S oc. X V . p . 339,
Fuo. Ceranoicies Wu lf. Crgpt. aq u . p . 37?
Exsicc. W g a tt D a nm . n . 15.
Var. 8. Ulvoides f r o n d o i r r e g u l a r i t e r lissa e t rn a r g in o v e g e to c r i -
s p a ta s e n s in iq n o d ila ta ta e t in la c in ia s fissa, a p i c ib u s sæp o c r e -
n id a tis muUil id is q n o , s o r i s o b lo n g is.
Fuous Ulvoides T u rn . H ist. ta b . 80!
Deles ser ia p u n c ta ta Ag. S p . Alg. I . p . 186! S g s t. p . *252!
Nitophyllum p u n c t a tum Gr. Alg. B r . p . 79 tab. 12!
Aglaophyllum p u n c ta tum K ü lz . sp. p . 868 !
Exs icc. Ch a u v. Alg. N o rm . n . 121!
Var. y? reniforme f r o n d o i n f e r n e s iib c u n e a t a , in fra m e d i um s i ib -
r e n i l o rm l t e r d ila ta ta p a lra a tilld a , s e gm e n t i s p r im a r i i s c u n e a tis
s u p e r n o d iv o r g e n t e r mu ltifid is, la c in iis a basi l a t io r e a t t e n u a t i s
o b tn s is , s o r is d e n s i s z o n am a n t e s e gm e n t a u l t im a c o n c e n t r i c am
o c c u p a n t i b u s .
Var. ()\ Alliaceum f r o n d o in f o r n o s u b c u n e a t a in f r a m e d i u m s u b -
r e n i f o rm i t o r d ila ta ta p a lma t ilid a , s e gm e n t i s r e n i f o rm i b u s , lobis
dila ta tis l a t e r a l i t e r s u p r a p r o x im a s i n c um b e n t i b u s , p e r i p lie ri a
la tis s imis u n d u l a t i s , s o r i s m i n u t i s d e n s is z o n a n i a n t e s e gm e n t a
u l t im a c o n c e n t r i c am o c c u p a n t ib u s .
N. Alliaceum C ro u a n m s c r .
N. p u n c t a tum var . l’ollexfoni H a rv . Phgc. l. c .?
Hab. in o c e a n o a l la n t ic o a b o ris O r c a d um u s q iie ad T i n g in !
ad o r a s Am e r i cæ (so c. H a r v e y ) ; in m e d i t e r r a n e o ! e t a d r i a t i c o ! in
o c e a n o a u s tr a li a d T a sm a n i am (se c . Ha rv ey ).
Frons tenuis s ime memb r a n a c e a pulohe r r ime rosea, disco minuto ad -
lixa e t subsessil is, a bas i ad apicem venis omnibus des t i tuta. Sori ju v e niles
minuti, oblougi aut rotundati, amb i tu seus im inc res cente s , u sque dum
longi tudinem 3 linearum et la t i tudinem l ineæ al tigerint, sphæro sp o r i s in
medio soro pr imum, d emumq u e in pe r iphe r ia ma tur is e t delabentibus ,
quare pianta, medio soro denuda to e t p e r ip h e r ia spor is ob s cu re pu rp u re i s
in s t ruc ta, h a u d malo ocellata dieta fuit. Coccidia diamet ro semi l ineæ
p e r to tam super f iciem sparsa.
Frondes ramif icatione, ambi tu ot magni tudine q uam ma xime var iæ, sed
specimina dive rs i s s ima formis in termedi is oontluentia. Aliquando 5 -p ed e s
longa ot 3 la ta c o n sp e c t a , ut p lu r imum mul to minor ; v a r . a . sæpius
2 - 4 - p o l l i o a r i s , s egment is 2— 4 lineas la lis, repet i te dichotoma, fastigia ta
et f labellata; v a r . fi. in speciminibus major ibus occurr i t, n unc majo ri p ar te
in ferio re simplic i, ma rginibus p inna t im e t p a r t e super iore pa lma t im aut
i r r egular i ter inoisis; segme nta hujus ple rumq u e linearia a u t cune ata, l e r -
miiialibus i terum a t ten u a t i s ; al iquando s egme nta lato obovata obveniunt.
Species duæ, ab Auctor ibus anter ior ibus . s e p a r a t e , ab Algologis Angliæ
hodie i terum co njunguntur . Nulla q uoque e x s ta t nota, qua forma s iu diversas
species refer re liceret . Dice re tamen lubet, formas modi tor rai ieas
(q u an tum vidi) s emp e r var. Ocollatam s is tere, ambi tu esso orbiculares et
eximie dichotomo- fas t igiatas , sor isque rotundior ibus in s t ru c ta s ; dum in
speciminibus at laat ici s lendent ia fere cons tans mihi vide tur in frojidom
i r r egular i ter s ectam t ranseundi .
Va r. y . nos t ra, cujus plur ima vidi e mar i modi ter raneo e t adriatico
speoimina, speciem p ro p r iam cons ide rare p ro p e n su s sum. Cæspites cfficit
sesquipol l ica res vel vix bipol l ic ares , ma rginibus c o n c re sc en t ib u s int r i -
oatos. F ro n d e s vix vere s t ip i ta t e , cu n e a t im vero a t te n u a t e , mox ita di la-
tantur , u t ambi tu fere reni formes evadaiit, superno in lacinias lineares aut
mo x cuné a la s e t i te rum divi.sas palmat ifidæ. Laciniæ infer iores su p r a axi l-
1am eximie ro tu n d a tam convergoi ites, su p e r io re s su b -divergentes . Sori
magni tudine ot adspeotu N. ocellat i, a t omne s in segme nt i s antep en u l t i -
mis aggregat i ot p lur imi ; in f ronde itaque reni formi aut orbicular i ter
expansa zonam fruct iferam o c c u p a n t fere ci rcularem. Coccid ia p e r zonam
e a n d em dispos ita sunt. Color magis p u rp u r e u s q u am roseus . — Forma
hæc mihi videtur inter N. ocellatum et N. Bonnemaisoni intermedia; cum
hao specie conveni t dispos itione f ruetuum, ip so vero adspoctu sori N.
ocellatum refert.
Var. S ., quam sp e c iem pro p r iam co n s id é r an t Cel. Crouan, inter omnes
a specie p r ima r ia ma xime abludit, forma generali f rondis et colore
formas N. Gmelini fere referens. Venæ autem omne s des iderar ! videntur
e t sori omnino diversi. Ramif icationis no rma ot dispos itione f ru e tu um
cum var, y . nos t ra conveni t ; laciniæ vero omne s la te ounea to- reni formes ,
longi tudine % — 1 poll ioares, latitudine duplo majori, a pe r iphe r ia in t ro r sum
undulat i e t lobati , lobis demum in la cinias reni formes abeunt ibus . Sori
ambi tu inæqua les (an boo ta n tum juvoritu te e t demura ro tu n d a tæ? ) den s
is sime sp a r sæ, supra discum segme n to rum lerminalium zonam conc ent r ic am
formantes . Heoens in aqua duloi deme r s a odorem al liaceum (seo. Crouan)
spargit . Vix dubium mihi videtur quiu s it hæc species diversa, ad oras
Angliæ e t Galliæ obveniens, a Harveyo, ni fallor, nomine N. Pollexfeni
pr imum ins igni ta, domum varietat is loco sub N. punota to memorata.
S pecimen a Harveyo /. c. tab. C C III. fig. 3 depictum es t magis elongatum
quam nos t ra, q uæ iu orb em diamet ro 2-pol l ic a rem expansa sunt. Laciniæ
iu sp. Harveyano cune atæ, in nos t r is magis reni formes .
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