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Rliodomeuia aus t ral is So n d . I. c. Aly. P r e is s . p . 44.
Sphæro o o c cu s aus t ral is M U . sp. p . 784,
llab . ail littiis o c c id e n t a l e No væ llo l l a n d iæ , S p o n g iis C o r a l l in i s -
q u e a d n a t a , ( P r e i s s ! ) . '
’’Radix s cutulata . Proiis cæsp i to sa 4—6-poll ioaris, s t r i d a , a bas i dichotomo
div isa, ei iervis. S egmenta inferiora 3— 4 lin. la ta , cune ata, super iora
linearla, 1 lin. la ta, apice fastigia ta, ob tu s a voi bifida, omnia p atent ia, ma r gine
integer r ima, rar i s s ime bine inde proli ficat iones breves , obovatas emi t -
tent ia . S p hæro sp o ræ frondi immorsæ. e t in s egment is ultimis ma culas seu
excav.at iones u t in Aoropelt idc efformanle s. Maculæ sivo oblongæ sive o b -
co rd a læ, f ronde a n g u s t io r è s ; sphærosporæ. su b sp hæ r i cæ vel subpyr iformes,
nucleo c ruciat im quadridiviso, Coccid ia h emisphær ica , in disco frondis
spar sa, apiculata, d emum poro p e r tu s a . Colo r ro so o -p u rp u r eu s . Subs tant ia
memb r a n a c e a .”
Var ictatem fronde augus ta lineari, s egment is liic illic obsolete a r t i -
cu la to-cons t r ict i s , memoravi t Sonder , ad quam F u cum o ons t r ic tum Turneri
p e r t in e r e suspicatus es t. Qu antumoumquo h abi tu conveniat pia n ta Sonder i
c um icone Tu rne r iana, tamen hano dive r s i s s imam s p o e ta r e algam c e r tum est.
2 . Adi. diiLENSiS CHont. in Fl. Boliv. p. 3 4 ) fronde inferne caulescente
siibpinnatim d iv is a , segmentis linearibus denticiilalis,
terminalibus in peltain orbiciilarem soriferain dilatatis.
l a . T r . Dian oTOM U S (M U l . c . ) ”1—2-pol l ioar i s planus , p a te n t i -d ic h o tomu s
fas tigiatus, cys tocarpi is ma rginal ibus la teral ibus , apioibus acutis . Color
p u rp u r e u s .
Hab. ad oras P e ru a n a s (Hb. Bart ling).
2a, Tb. v i h g a i u s (7f«/z . l. c.) ”4—6-poll ioar is te res filiformis, ramis ereoto-
ad p r e s s i s virgatis flagelliformibus. Cras s ities p e n næ me ru l inæ.”
Hab. Peruviæ (Hayn.)
3a. Tn. poltchotomus M U . sp. p . 786} ”2—3-poll ioar is c e spi tosus angus te
linearis p la nus (% — %'" la tus ), s t ipi te bas i te ret i s u r sum complanato,
p a r t e super ior i plano mul toties e t c r e b r e dichotomo, segment is omni bu
s exa c te l inear ibus fastigia tis confertis , apicibus o b tus is ; cys tocarpiis
globosis se.ssilibus spars is , te t r a ch o c a rp i i s soli tarii s oblongis, c ru ciat im
quadr ipar t i t is , inler cellulas cor t icales spar s is . Radix s cuta ta. Colo r inte
n se coccineus ., S t ru c tu r a gene r i s . Su b s tan t ia ca rt i lag in e a dura.
Hab. ad Ins. P h o c a rum p ro p e Gap. b. Spei (P a p p e ) .”
Nisi s p hæro sp o r a s cru c ia t im div isas huic ad jecer i t Auctor , ad Diou-
rel lam fragilem p e r t in e r e convictus fuis sem. Hujus enim p la n tæ mihi sp e cimina
ex eodem omnino loco provenient ia, a P ap p e qu o q u e data, co ram
oculis sunt, q uæ in d e sor ipt ionem Kiitzingii omnino quad ran t , sed sphæ,-
ro sp o ra s zonat im divisas in te r fila Nomathecii s i ta s evidenter gerunt .
Acr. cl iilensis M o n i. l. c. lab. 6 fig. 3 a —f e l Pl. cell. E x o t. c e n t. 1.
p . M! K ilU . S p . Alg. p . 786!
Hub. a d o r a s Cb ilo n so s p r o p e C o q u im b o (H i i - P e t i t -T b o i i a r s ) .
Caulis filiformis u ndique f rondes emi l tens congos tas, int r icatas , b iu n -
oialos, linoam la ta s, planas , ma rg in e dent iculatas , e c os talas vel obsolete
cos ta tas in pe l tam orhioularcm (¡uain ipsa i rons paulo ma jorem, pr imo
planam, demum fruct ificatione absoluta t r ansve rs im oondupl ioatam, dos i-
nentes . F ru c tu s jam antea de s c r iptus . Colo r frondis viridis (an aeri e x p o s
i t ione?) , p e l ta rum et s eminum roseus ! Subs tant ia cor iaceo-c ar t i lagine a
c ras sa a u t memb r a n a c e a lonuis. Char tæ vix adhære t .
Species inquirenda.
3. Acr. phyllophora (Hook, et Harv. Alg. Tasm. n. 7 2 ) caule (vix
n o t o ) fil iformi ramo so , ramis l labelli formibiis planis basi o b s o le
t e cos tatis plurie s dic l io tomi s , lac ini is l inearibus sæp e p r o li
feris, axil lis rotundal is , ma r g in e in t e g e r r imo , pelt is t e rmi -
nalib ii s.
Hab. ad P o r t A r th u r T a sm a n iæ ( J e a n n e r e l t ) .
Habitu c um Rhodymenia flabelliformi a u t Rii. coral lina ma gnope re co n venit,
s ed s t r u c tu r a diversa, ot f ructu cum p r ima r ia specie Generis convenit.
— Ita Auctores .
XCVIII. M e L A N T H A L I A Mont. in Ann. Sc. Nat. 1 8 4 3 Cent.
IV. p. 3 3 . Kiilz. Sp. Alg. p. 7 8 4 . Ac r o p e lt is sp. J. Ag.Advers.
p. 3 0 el Alg. Liebm. p. 15. R h o d om e læ e t S p bæ r o c o c c i sp.
Ag. et Auct.
F r o n s a n c e p s c o r i a c e a d e c om p o s i t o - d i c l i o t om a l l a b e l la to - f a s t ig ia ta ,
s e gm e n t i s a n g u s ti s l i n e a r i b u s , s u b t r ip l i c i s t r a t o c o n t e x t a ; i n t e r
i o r e ce llu lis e l o n g a ti s a n g u l a t i s ; i n t e rm e d i o b r e v i o r i b u s fle x u o s
is ; s u p e rfic ia li ce llu lis m i n u t i s s u b c u b i c i s v e r t i c a l i t e r d e n s e
s e r ia tis c o n s t a n t e . Coccidia s u b in a r g i iia lia liemisp iiæric a d em um
a p i c u la t a , g em m i d i a o b o v a t o - o b l o n g a , in filis d i c l i o t om o - f a s t i -
giatis in v i c em lib e ris a p l a c e n t a c e n t r a l i e g r e d i e n t i b u s e v o lu ta ,
i n t r a p e r i c a r p i um c e l lu l o s um c r a s s um d em u r a c a r p o s t om i o a p e r t
um fo v en tia . Sphwrosporce . . . (Mont. Ann. Sc. Nat. 1 8 4 3 .
Pl. 1 2 ),
F r o n d e s i n f e r n e t e r e t i u s c u læ , s u p e r n e c om p l a n a t e a n c ip it e s ,
d i c l i o t om o - r am o s i s s im æ , s o gm e n t i s a n g u s t e l i n e a r i b u s l l a b e l l a t o -
40*
â H