I I . PT. FORMOSISSIMA (Mont. Prodr. Ph. ant, p . 8) froiulis d e c om-
pos ifo-pinnatæ pinnis in rachide ancipite alternis, pinnulis pin -
natifulis, pinnellis corticatis a basi latiore attenuatis serratis
sphærosporis inarsinalib iis singiilis, pedicello monosiphouio’
snffnltis, favellis in pinnula sessilibus, involucri foliis 4 pin-
nafilidis.
Pt. formosissima Mont. t. c. Yoy. au Pote S u d Crypt. p. 9 7 lab. 9
fig. 3! Ilook. e t Harv. in Crypt. anta r c t . p. 78 tak. 77!
Euptilota formosissima Kü t z . sp. p. 671 !
Hab. in Oceano australi ad insolas Auckland (D ’Urville Hooker
etc.) ’
"Radix callus ex iguu s. Frondes aggregatæ 6 - 1 Ouiio. longæ 4-~61atæ
flabelliformos. Caulis ba si te r e s, mox p lan o -com p r e ssu s, linea’ris v e l u -
trinque subattenuatus, / , - 1 % l i n . latus, d istich e ramo sissimus Pinnæ
y .u n o . longæ, alternæ pinnatæ v. bip in n a tæ; pin n ulis brevibus, alternis
p a ten tib us, serratis v. p e c tin a tis, ap ice sub a cu tis. Favellæ s e s s ile s involucro
quadrifoliato p e c tina to c inc tæ , .sphæricæ, spo r is minutis angu’latis
farctæ. Sphærosporæ marginales, p e d ic e lla te , glob o sæ, demum 4 -pa rtitæ
Color amoene p un iceu s. Substantia car tilaginea, firma. Chartæ la x e adhæ
r e t.”
"Caulis non str ic te artioulatus d icend iis, sed co sta evidenti articulata
p e r cu r su s.” Hook, e t Harv. l. c.
Via. Tham.xocarpu.s //u r r . in Ilook. Icon. Plant. Vol. I IP lab. 662. Hook,
e t Harv. Alg. la sm . p . 12. Carpothamiiioii E û l i . sp. p . 668.
"Phycoma liliforme ramosum, ex axi centrali articulato s tr ¡tis duobus
cm cto compositum. Stratum perioeiitralo longitudinaliter fibrosum co rtic
a le pa rencliyma liciim, c e llu lis minoribus ro tu n da to -an gu la tis formatum
Rami o b se ss i ramellis fru ticulo sis fructiferis ramosis callithamnoideis u n i-
cellular ibus. Tetrachooarpia singularia late ralia.” ’
Genus mibi plane igno tiim; quoad fructus Heleroc ladiæ aiialogum a
Harvey primum judicatum, dein ab ipso Ceramieis relatum.
1. Tii. G on x ian u s (Ha r v . in Ilook. Icon. tab. 662) caule 3 - 4 " longo,
cra.sso, irregulariter ramo sissimo , ramis super ioribus c r eb e r r im is ’su h -
fa stig ia tis e r o c to -p a te iitib u s , terminalibus ramulos fructife ros laxo
spa r so s g e r en tib us; ramulis peiiicilliformibus b a si s o lid is , ramellis
imicellularibiis divarioatim ramulosis; ramellulis a cutis, b reviter a r til
culatis, articulis diametro æqualibus vel duplo longior ibus.
Carpothamnion Gunnianum Kütz . sp. p. 668.
Hab. ad Van-Diemons-Land.
2. Tu? L a u r e n c ia ( / look, et Harv. Alg. Tasm. p. 12) p u r p u r e o - c o c c i n e u s ;
cau le ca r tilagineo-filiformi basi cylindr ico apicem versus su b com p r e s-
so ramo sissimo ; ramis alternis e r e c to -p a ten tib u s d is tich is , iterum
divisis, ramulis lan c eo la tis.
Y 1 I ? D a s y p h i l a Sond. in Alohl. et Schl. Bot. Ze it. ISio p.
53. Alg. Preiss. p. 22. Kütz. sp. p. 673.
Frons flliformis dis liche pinnata decompos ita diorgana, axi continuo,
et filis articulatis iiivicem liberis constans. Axis tubo
centrali articulato, siplionibns contralem circnmdantibiis pluribus
(ìlisque infra genicula tubi centralis verticillatim egre dientibus
oblique escurrentibus dense cort icato, contextus;
fila verticillata extra axem libera, nullo ordine disposita, alterne
pinnata. Sphærosporæ ex articulis terminalibus filorum forma
t e , sphæricæ triangule divisæ. Favellæ. . .
Frondis teretiuscniæ, distiche pinnatæ decompos itæ, pars inl i-
nia nuda, superior maxima filis densis tomentosa. Adsunt itaque
axis continuus et fila articulata, quæ tomentum externum et forsan
demum deciduum elficiiint. Axis constituitur; Lo tubo centrali ar-
ticiilato, articulis diametro triplo longioribus, ad genicula contractis,
endocliromate fuscescente coloratis; 2:o siplionibiis (seu co l -
lulis) longitudine articulos tubi centralis æquantibns, at amplioribus,
byalinis, plurimis in orbem circa tubum centralem dispositis. 3:o
filis a tubo centrali infra genicula verticillatim egredienlibus, initio
borizontalibus, mo x obliquis et sublongitudinalibus, infra periplierium
coloratis ramosis et demum in fila libera oxterna sensim abounti-
bus, Fila externa nullo ordine egredient ia, at dens is s ima, in
stratum proprium baud coale scont ia, sed invicem libera, bor i -
Carpothamnion? Laureiicia Kù t z . sp. p. 669.
Hab. ad oras Tasmaniæ (Gunn.)
Genere dubia, fructu adhuc ign o to . Structura cau lis ad Thamno-
carpum valde a cc edit, — Ita au ctores.
3 . Tii. P t i l o t a (Hook, et Harv. Alg. Tasm. p. 14) fronde p ian o -com p r e ssa
lineari co sta to vage e t pinnatim com p o sito , disticlio, ramis e r e c tis
ancipitibus pinnatis b ipinnatisve, pinnulis ba.«i v ix angusta tis er ectis
fa lca to -in cu rv is sæpe se cu n d is; glandulis niarginalibus; cystocarpiis
p ed ic e lla tis minutis in v o lu c r a tis, involucr i ramulis simplic ibus in curvis.
Carpothamnioii? Ptilota Külz . sp. p . 669.
Hab. ad Port Arthur Tasmaniæ (lea iin e r e tt e t Lyall).
Habitu Ptilotam ot ante alias Pt. coralloideam hæc a ssimilâ t; structura
vero caulis diversa. In fructu differentia fere nulla adest. — Ita
Auctores.