96 
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SUPPLEMENTUM Ill. 
I. ALGAE. 
IIl. FLORIDEAE. 
122/21. Ceramium 4D ANS, Frons articu- 
lata ;monosiphonia, ad genicula cellulis irregularibus 
ornata. Fructificatio : Favellae ad ramulos lateraliter 
sessiles, filis involucrantibus paucis suffultae, intra 
perisporium gelatinosum hyalinum sporas numerosas, 
angulatas laxe foventes. Sphaerosporae in cellulis 
geniculorum intumescentibus nidulantes, ad genicula 
singula transversaliter numerosae, sphaericae, nucleo 
triangulatim quadridiviso. — ^4/gae marinae, rubrae 
v. fusco variegatae, subcartilagineae, 
Ceramium 4danson Fam. II.p.13, A4gardh Spec. II, excl, 
sp. J. Agardh lg. medit, 80. Boryna Grateloup apud Bon- 
nemais. Hydroph. locul,52, Dictyderma Bonnemais, ín Journ. 
PAjs. XCIV, 186. 
4.Ceramium rubrum AgardAÀ Spec. li. 146, — |n ommi 
fere mari. 
2.Ceramium cancellatum 4gardh Spec. IJ. 1áó. — Mare 
atlanticum, 
3. Ceramium obsoletum Zgardh Spec. 1I. 145. — Ad Caput 2 
bonae spei. 
A.Ceramium diaphanum Zgardh Spec. I1.,150. — In omni 
fere mari. 
5. Ceramium ciliatum .4gardh Spec. II, 153, — Mare me- 
diterraneum et atlanticum., 
Observ. Quae nuper et in Gallia et in Germania auctores 
' commenti sunt genera ex innumeris Ceramiorum, ex aetate et 
loeo mire variantium formis, haec sciens praetereo ; me scien- 
tiae nimis jam synonymis obrutae, novo sint oneri, prudenti 
Algologorum cordatiorum silentio etiam in posterum pre- 
meuda. 
122/22. Ptilotu AGARDH. Frons continua, 
v. jugamento articulato percursa, compressa v. plana, 
pectinato pinnata. Fructificatio : Favellae in ramulis 
terminales v. in margine frondis aggregatae, ramu- 
lis inflexis involucratae. Sphaerosporae per sub- 
stantiam frondis sparsae.— gae marinae, coríaceo- 
membranaceae, purpureo-roseae, 
Ptilota 4gardh Spec. I. 385. Grevill. 4lg. Brit. 154, 
S3nops. XL. Postels et Huppr. Illustr. Alg. 15. Plumaria 
Stackhouse in Mém. soc. nat. Mosqu. IT. 86, 
1. Ptilóta plumosa Zgardh Spec. 1. 385. Grevill. Op. cit. 
t. 16. (Turner t. 60.) — Oceanus borealis. 
.9.Ptilota asplenioides .gardh Spec. I. 387. Postels et 
Ruppr. Illustr. 4tg. t. 29. (Turner t, 62.) — Oceanus 
- borealis. Ad Kamtschatkam. Ad Novam Hollandiam. 
3.Ptilota densa A4gardh Spec. I. 387. — Ad Caput bo- 
nae spei. 
^4. Ptilota flaecida 4gardh Spec. [. 388. (Turner t. 61.) — 
Ad Caput bonae spei. 
5.Ptilota coralloidea J. 4gardh Linnaea XV, 35.— Ad No- 
vam Hollandiam, 
6. Ptilota articulata J. 4gardh in Linnaea XV. 36. — Ad 
Novam Hollandiam. 
7.Ptlota hypnoides Harvejín Hook. ad Beechey p.164, — 
Ad Californiam. 
8. Ptilota pectinata Harvey in Hook. ad Beechey p. 165, — 
. Ad Californiam. 
. 9.Ptilota formosissima Montagn. Prodr. 4Ig. antarct. 8, — 
Ad insulam Auckland. 
122/23. NMierocladia GREV. Frons conti- 
nua, filiformis, compressa, irregulariter ramosa , Tà- 
mis distichis. Fructificatio : Favellae in margine ra- 
mulorum solitariae , ramellis abbreviatis involucra- 
tae , peridio hyalino granula conglobata fovente. 
Sphaerosporae per intumescentes ramulorum apices 
sparsae , nucleo  triangulatim — tri - quadriparti- 
to. — Algae marinae, subcartilagineae , purpureo- 
roseae. 
Microcladia GrevilIe Ag. Brit. 99. S3nops. L. Postels 
et Huppr. Illustr. Alg. 15. à 
1. Mierocladia glandulosa Grevill 1. c. f. 13. Delesseria 
glaudulosa 4gardh Spec. 1.182. (Turner f, 39.) — Mare 
atlauti et septemtrionale, Ad Kamtschatkam. 
GENUS DUBIAE AFFINITATIS. 
122/41. Haplolegma MONTAGN. Frons 
e filis composita tubulosis, articulatis s. septatis, ra- 
mosissimis, inter se anastomosantibus et dense in- 
tertextis in membranam planam, initio flabellifor- 
mem, demum  elongatam, spathulatam , margine 
apiceque proliferam , ramentis frondi primariae con- 
formibus. Fila centralia crassiora, magis pellucida, 
endochromate roseo (ut in Callithamniis) praedita, 
inferne subparallela, versus apicem frondis flabella- 
lim divergentia, sensim decomposito-ramosa, ana- 
stomosantia, apice libera, epidermide nempe haud 
colligata, nec dense conjuncta, sed ad utrumque 
frondis superficiem tomentum spongiosum efforman- 
tia, et junoris ambitum fimbriis brevibus ornantia. 
Fructificatio- - - - - —  Alga marina, rubro. san- 
guinea. 
Haplolegma AMontagn. in Nouv. Annal, sc. nat. XVIII. 
1. Haplolegma Duperreyi Montagn. 1. c. t. 7, f. 1. — Ad lit- 
tora Martiuicae. 
TREBRUS ZEX  CHRYPTONEMEAE J. 
Agardh Alg. medit, 81. Frons cellulosa, e du- 
plici strato composita; stratum interius e 
filis plus minus intertectis , v. rarissime € 
tubo singulo aut e cellulis minoribus ; stratum 
exterius nunc e filis moniliformibus liberis v. 
muco involutis et in stratum compactius coa- 
litis , nunc e cellulis rotundatis , saepissime 
radiantibus, Fructificatio: Favellidia 2n infe- 
riore frondis strato v. ad basim filorum e«te- 
rioris subimmersa , rarissime intra concepta- 
cula propria evoluta, perisporio membrana- 
ceo hyalino saepe tenuissimo, granula minu- 
(a, numerosissima , in glomerulum compacta 
arctissime circumdante, Sphaerosporae gl050- 
sae v. oblongae , e cellulis peripheriae forma- 
(ae, in sporas 4 triangulat.m, szonatim v. 
cruciatim divisae, 
SUH'TFREBUSE. GLOIOCLADEAE /J. 
Agardh Alg. medit, 83. Frous cylindracea aut 
compressa, gelatinoso-lubrica, filis periphe- 
ricis moniliformibus, liberis v. muco lace 
cohaerentibus. Fructificatio: Favellidia in pée- 
cu filerum subinvolucrantium sita, ectror- 
sum subnuda. Sphaerosporae . . . . 
1272/5. Crouanina J. 4G ARDH. Frons tu- 
bulosa, articulata, monosiphonia, ad articulos filis 
moniliformibus verticillatis, divaricatis, rigidiuscu- 
lis, subliberis, distantibus munita. Fructificatio: Fa- 
vellfdia pone ramulorum apicem subsolitaria, filorum 
verticillatorum basi affixa iisque subobtecta, perispo- 
rio membransceo-hyalino, grannlorum minutorum 
congeriem fovente. Sphaerosporae .... . — Algae 
mediterraneae, parasiticae, minutae, filiformes, 
vage ramosae, ramis ultimis furcatis , lubricae, hya- 
linae. 
Crouania J. 4gardh A4lg. medit, 83, 
1. Crouania attenuata J. 4gardh 1. c. Mesogloia attennata 
Agardh Syst, 51. — Mare atlanticum et mediterraneum. 
122/26.Dwudresnaya BONNEMAILS, Frons 
primum artieulatim tubulosa, tubo demum intusdi- 
visione celluloso, extus corticato strato filorum lon- 
zitudinalium, ramulos periphericos, moniliformiter 
