The Marine Algae of ‘Tunisia
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ARTHUR C. MATHIESON a
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SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES @© NUMBER 10
The Marine Algae of ‘Tunisia
Ernani G. Menez
and Arthur C. Mathieson
ISSUED hes
(OCT 1 24981 LIBRARIES
~MITHSOWNiAIN PUBLICATIONS
SMITHSONIAN INSTITUTION PRESS
City of Washington
1981
ABSTRACT
Menez, Ernani G., and Arthur C. Mathieson. The Marine Algae of Tunisia.
Smithsonian Contributions to the Marine Sciences, number 10, 59 pages, | figure,
1981.—A taxonomic study of the marine flora of Tunisia, North Africa, was
conducted during 1973-1975. A total of 169 species, 37 Chlorophyta, 36
Phaeophyta, 96 Rhodophyta, of benthic marine algae were collected from 29
sites along the Mediterranean coast of Tunisia. Of the 169 species, 57 taxa are
newly reported for the country. Of these, 16 represent genera previously
unreported.
OFFICIAL PUBLICATION DATE is handstamped in a limited number of initial copies and is recorded
in the Institution’s annual report, Smzthsonian Year. SERIES COVER DESIGN: Seascape along the
Atlantic coast of eastern North America.
Library of Congress Cataloging in Publication Data
Menez, Ernani G. The marine algae of Tunisia.
(Smithsonian contributions to the marine sciences ; no. 10)
Bibliography: p.
1. Marine algae—Tunisia. I. Mathieson, Arthur C. II. Title. III. Series.
QK576.T8M46 589.3961'1 81-607084 AACR2
Contents
Page
LSM EVE GHCUNGYM * 5 4.3 REM See siete & gO ele ce ws nue gr ea l
vcr on leclaringaiis: gost: [oi aalegls pele aera ale ie teen enn eae 3
@olcenmeslWocations on the Tunisian Coast .2....4.-2.......:..-..... 3
Kemromney Marine Algaciof Munisia,........ 22. 222.-211,-- 2+ 22st: A;
Dyvisiom PRAROM ERO AE Sac aah sneer aN newt een le ena ee ea 15
Class PEABO EnRCIy/ND). “deh eure Ree ere an ee eee 15
Gudler IRGROGANRDATTIST 2 ge a entree a= eee ee 15
RIANA CMO CARPACE AB 50.103 62 200s iit ele h eb aneiele wns ee se ee’ 15
IGLOCATPUSHASCICUIAIUS FA QIVCY) 4.52 85 oe ote ees ee 15
Ectocarpus siliculosus (Dillwyn) Lyngbye ...................... 15
mGujonmmamincksiac(tlarvey) Flame). 222.) 2... eee IS)
Faymmillyy. RUT SSI VNGISZVSR Use Oe sei eee an 15
Ralfsia verrucosa (Areschoug) J. Agardh 15
Ole SBHACEWARTADES Sonn gs a ik yee eee ee eee ess ons 15
anmilya SPHACBEARTACEAB, 62... 42 224226 o/s a- ogecsurac es bs: 15
SHracclamoxcumosa(INotn) iG. -Agardh 2). .2.. 2-232: )22e 2 teen: 15
eS piacclamumuncvecia INUWEUZING <2... ada ees. ote tess 16
mupvacclomaniuppulotdes Memes iM 24. 24.5522. 24-c 5222s se ss: 16
arabs SM POCAULACEAB be fy cee igi ap tet cee pees iene s 16
Eialopiemssjicmas(Grateloup) Kuetzing........2....-...:...: 16
Halopterts scoparia (Linnaeus) Sauvageau .................... 16
AMM ACOPAD OSTEPHACHAB) Qe)... 9. 5 gelesen cee wey aes eae nss Ly
Cladostephus verticillatus (Lightfoot) Lyngbye ................. 17
Ovrcler (CHUTLIBRUVAIESS Hod 3 cleat cr: tere ee ee nee tenn Ree ee 17
REAM VA OHUIEPRIACEAB oan 0) 25855 oan. cine ose esos og eg nee eed. 5 Ii
OAD KOLO LY PUSSINALOO, Mate ee oe kee ee a ak ps 17
Ordlor ID NGI A OWATETIS IMS «ic © Se Sie nn aes nae nee 17
[Pangralllyy ID IGN O nO NCIDY NI SO, cee Ale a etna Dec 17
Dictyopteris membranacea (Stackhouse) Batters ................. 17
Dictyota dichotoma (Hudson) Lamouroux ..................-.. 18
DWicipovagiineaase(CarNcancdh)) Greville Oe... ase 18
ilo pispasciolak(Noth) NOW. 6.6406 ee sie sk 18
Diophus spuds (Montagne) mbtamel 6) e ee oe 18
adimaupavonicay leummacus) WMIVive 8... 2 2 2 es 19
*Spatoglossum schroederi (C. Agardh) Kuetzing ................. 19
Taonia atomaria (Woodward) J. Agardh ...................... 19
Zonaria tourneforti: (Lamouroux) Montagne .................. 19
lll
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
@rdery CHoORDARTACES See ere
EamulyeSnitOPHORACEAE | 95-2) ee rer
Stelophora rhizodes (Turner) J. Agardh
Family SPERMATOCHNACEAE ...........
Spennatochnus paradoxus (Roth) iuetzine) eee sear
Family GHORDARTACEAB G30) ee om) weer
Mynonema strangulans Greville .......
Oinele SCKAROSIDAONINEDS 4 sdeadoodocancace
Ramil PUNCRARTACH AEN: = oer A eer rer
SPunctanavlatyolal Greville =eee ere
Family SCyTOSIPHONACEAE =2........5.
Colpomenia sinuosa (Mertens ex Roth) Derbes and Solier .....
Scytostphon lomentaria (Lyngbye) Endlicher ...................
@©rdensBUCateEs: | are cee
Bamnilva GysTOSEIRACEAR Cs 26s eee
Cystoseira barbata (Goodenough and Woodward) J. Agardh
Cystoseira compressa (Esper) Gerloff and Nizamuddin .........
Cystoseira discors C. Agardh ..........
Cystoseira mediterranea Sauvageau ....
*Cystoseira myriophylloides Sauvageau ..
*Cystoseira sauvageauiana Hamel .......
Cystoseira schiffner Hamel ...........
Cystoseira sedoides (Desfontaines) C. Agardh ..................
HamnilwaSARGASSACEHAE GE) eee rrr:
Sargassum linifolium (Turner) C. Agard
Sargassum vulgare C. Agardh .........
IDIVAGIOSG (CHEILOROMESAWN. no gbwcladdasvuaccasanvue
Class CHVUOROPHV.CEAE Wy -arncee see eae
Order WEVAVES) see ea eee
Family MONOSTROMATACEAE ..........
fh 2. ae, 2 ee
“Blidineva marginata\()..Agardh)) Dancgearda ener
JSeioMby LUTNYNGING, ,ocnagua syWabooednaos
* Enteromorpha clathrata (Roth) Greville
Enteromorpha compressa (Linnaeus) Greville ...................
Enteromorpha flexuosa (Roth) J. Agardh
Enteromorpha intestinalis (Linnaeus) Link .....................
Entenomorpnavinza, (kinnacus) je Ncare hye see nee
“Entenomorpha provera (Mueller) jay Agcardhi ne. aan ere
* Enteromorpha ramulosa (J. E. Smith) Carmichael in Hooker ...
WloavlaciucaiieinmnNacusaa ears
“(Uline rgiala Co ANGENCIN occ 6cccasuaauns
@Ordemi@wADOPHORALESM ee ee aes
Family CLADOPHORACEAE .............
Chaetomorpha aerea (Dillwyn) Kuetzing
* Cladophora albida (Hudson) Kuetzing
*Cladophora crystallina (Roth) Kuetzing
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ZI
21
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Zul
22
22
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23
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23
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23
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25
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25
NUMBER 10
Cladophora dalmatica Kuetzing .......
*Cladophora lutescens Kuetzing ........
Cladophora prolifera (Roth) Kuetzing .
*Cladophora ramosissima (Draparnaud ex Kuetzing) Kuetzing ..
Cladophora rupestris (Linnaeus) Kuetzing
Cladophora utriculosa Kuetzing .......
Family ANADYOMENACEAE .............
Anadyomene stellata (Wulfen) C. Agardh
@xder SiIPHONOGHADALES | saesese: bose
Family VALONIACEAE
Valonia utriculans C. Agardh .........
Family SIPHONOCLADACEAE ............
*Valonia macrophysa Kuetzing
Cladophoropsis modonensis (Kuetzing) Boergesen
WidemBRVOPSIDALES 2.5 50. cine:
Ramiuly, BRYOPSIDACEAE) . 5.4422. -5.02. 4.
*Derbesia lamourouxu (J. Agardh) Solier
Bryopsis balbistana Lamouroux .......
* Bryopsis hypnoides Lamouroux .......
Bryopsis muscosa Lamouroux .........
Bryopsis plumosa (Hudson) C. Agardh
* Pseudobryopsis myura (J. Agardh) Berthold in Oltmanns ......
Raniully, G@AULERPACEAR, .-..4.. 54822427:
Caulerpa prolifera (Forsskal) Lamouroux
armilbye CODIAGEAE | Hae 2492 2\0s 4 8
Codium bursa (Linnaeus) C. Agardh ..
*Codium decorticatum (Woodward) Howe
Family UDOTEACEAE
Espera mediterranea Decaisne
Halimeda tuna (Ellis and Solander) Lamouroux
Udotea petiolata (Yurra) Boergesen
Orden DWASV.GUADALES 74555... sss 52504:
Family DasycLADACEAE
Acetabularia acetabulum (Linnaeus) Silva
Dasycladus clavaeformis (Roth) C. Agardh
Division RHODOPHYTA
Class RHODOPHYCEAE
Order BANGIALES
Family ERYTHROPELTIDACEAE
Erythrotrichia carnea (Dillwyn) J. Agardh
Family BANGIACEAE
Bangia fuscopurpurea (Dillwyn) Lyngbye
Porphyra leucosticta Thuret in Le Jolis
BOrdern GONIOTRICHALES 3755552
Family GONIOTRICHACEAE .............
Goniotrichum alsidiu (Zanardini) Howe
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27
27
2a
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yi
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32
vl
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
OrdemACROGHAETIALES) =. 4. ee a eeeee ee aes
FamilyaACROCHABDIAGCEAE 3) anne
Acrochaetium virgatulum (Harvey in Hooker) J.
*Acrochaetium codiculum Boergesen ............
Acrochaetium savianum (Meneghini) Naegeli_.
OrdesNEMAUIAT ES ee uri. 2.7.0 eae eee
Family HELMINTHOCLADIACEAE ............:.-
Liagora distenta (Mertens in Roth) C. Agardh
Liagora viscida (Forsskal) C. Agardh ........
Ordeni@uArTANGIAGE sae nee eer ae
Ramnuly, CHApmANnGIACE AR laser eee
*Scinaia forcellata (Turner) Bivona ...........
Orders BonNEMAISONIALES =aneeenee eee eee ae
Family BONNEMAISONIACEAE ..................
Asparagopsis anmatamdlarvieyay 9h) are
Acard heen eee
* Bonnemaisonia asparagoides (Woodward) C. Agardh ...........
*“Falkenbergia rufolanosa”’ (Harvey) Schmitz
13) 2 010 ER co's titers a uA Aa ORE Beso
RanulyiGEripiAce Annee) fae
in Engler and
*Gelidium latifolum (Greville) Bornet and Thuret .............
*Gelidium pectinatum Montagne ..............
Gelidium pusillum (Stackhouse) Le Jolis .....
Pterocladia capillacea (Gmelin) Bornet and Thuret ............
Oxderm CRYPTONEMIAIESiaey ea 1 eee
RanillyaREySsSONNELIACEAE arn tne
Peyssonnelia rubra (Greville) J. Agardh ......
Peyssonnelia squamaria (Gmelin) Decaisne ....
ISEWITVINY (CONWNCLTIRINGIDING, 5. co ccovonsecsossounn.
*Amphiroa beauvoistti Lamouroux .............
Amp ininoamcida lean oO ULOUxX@s = saree nee
Corallina elongata Ellis and Solander ........
Corallina granifera Ellis and Solander ........
Corallina officnalis Linnaeus ................
Dermatolithon pustulatum (Lamouroux) Foslie
Foslella farnosa (Lamouroux) Howe ........
Haliptilon squamatum (Linnaeus) Johansen, Irvine, and
Wiel ste i tteiiats te). 8 a ar ee
Jama cornculata (Linnaeus) Lamouroux ....
WamalongijuncayZanancdinigues! 0 eee
Jama rubens (Linnaeus) Lamouroux ........
Lithophyllum incrustans Philippi ....... eee
Family GRyeTONEMIACHAB sa. sneha ene
*Cryptonemia seminervis (C. Agardh) J. Agardh
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OMe
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3S)
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NUMBER 10
Raul WaICAInnVIMENTAGE AB MIs. <4) eee) Seen
iKaliymentaumicrophylianencardh sepa on. oe
OrdemCIGARTINADES leanne: a aR eA meen e Se ae,
Hann vata PNEACHAE Ee see oe amet Ste ck as x
Hypnea musciformis (Wulfen in Jacquin) Lamouroux .
RarnillysEEOCAMIACEAR (Aare... yb...) EVN as.
Plocamium cartilagineum (Linnaeus) Dixon ............
Hanmlly;: SPHABROCOCCACEAB) 2) faenge ss: a hee hee
Sphaerococcus coronopifolius (Goodenough and Woodward)
Stackinouse mer suai See. Lig Med se NA) ero baie «(AS
Ramya RURCELLARTAGCEAE st. saredne. see. u/Mlate We x
*Halarachnion ligulatum (Woodward) Kuetzing ........
Hammill waAGRACICARTACEAB) 940. sa0-0as0c22252+-62 00 des -
Gracilaria armata (C. Agardh) J. Agardh
Gracilaria arcuata Zanardini
*Gracilaria cervicorns (Turner) J. Agardh ..............
Gracilaria verrucosa (Hudson) Papenfuss ..............
RamlivateriviElOPHORACEAB 92.47. he.) sede eee:
*Gymnogongrus griffithsiae (Turner) Martius ............
Phyllophora nervosa (de Candolle) Greville in J. Agardh
*Phyllophora pseudoceranoides (Gmelin) Newroth and A.R.A.
Wichy Loramie et eaten ote ae nyc ee NES 8 Wao Et
ADriliva GAGARTINACEAE 7 "meen Wee Meare eas SUED Fh
Gigartina acicularis (Wulfen) Lamouroux .............
BannnlyeRisSOEMWAGEAE -. 245 mes e. 0a Wak. need) sab POR
Rissoella verruculosa (Bertoloni) J. Agardh
Order RHODYMENIALES
BamtlvahicODYViMENIAGBABY (sts ede. rol en. o
*Chrysymenia ventricosa (Lamouroux) J. Agardh ........
*Rhodymenia pseudopalmata (Lamouroux) Silva .........
ATM ya GHAMPIACEAP me get meen Ave nit! na le AES) Oh hr ir
Champia parvula (C. Agardh) Harvey ................
Chylocladia verticillata (Lightfoot) Bliding
Gastroclonium clavatum (Roth) Ardissone
Aa MMbyAOMENTARTACEAB) ema sch. 0. fora. 2 Me ST
Lomentaria articulata (Hudson) Lyngbye
Order CERAMIALES
RArnil a CE RAMIACHAE a peeaeyen tgt- i i.) rey ee!
*Antithamnion cruciatum (C. Agardh) Naegeli
*Callithamnion byssoides Arnott in Hooker .............
Callithamnion granulatum (Ducluzeau) C. Agardh
Callithamnion tetragonum (Withering) C. Agardh
Ceramum cuhatum (Ellis) Ducluzeau ..................
Ceramium diaphanum (Lightfoot) Roth ................
Ceramium gracillimum Griffiths and Harvey in Harvey
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Aw)
vill
Vill SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Cenamuminubrun (riudson) Gar Acard bine ee ene nee ae)
Ceramium tenerrimum (Martens) Okamura .................... 45
Ceramium tenuisstmum (Lyngbye) J. Agardh .................. 45
*Griffithsia flosculosa (Ellis) Batters in Newton ................. 419)
*Grijjensia, piyllamphoras|Ncardhwen aaa) eee eee ears 45
“Anotrchium tenucn(@.Agardh)sNaegelie: saree eee 46
Spyrvava jelamentosai(WVirulten)sElaincya san neese > eeneree 46
Wranechia penicillatai Ge Ncard hae ere er eee 46
Family: DEVESSERIACEAES (aiwaaa? Lense: : eae ee 46
* Acrosorium uncinatum (Turner) Kylin ................ ahaa eee 46
Ey poglossum woodward IMNetz nee Ee see eee ae eee 47
* Myriogramme distromatica Rodriguez ex Boudouresque ........ 47
Family DASYACEAE J ....4j0¢.. 02a: - ee eee 47
* Dasya baillouwiana (Gmelin) Montagne ......................- ail)
Heterosiphonia wurdemanni (Bailey in Harvey) Falkenberg ..... aul)
Family iRHODOMELAC EAL HERA) Orr p nn tt ea ee ene al)
Acanthophora najadiformis (Delile) Papenfuss .................. 47
Alsidium: corallinum GayNcarcdhyie ) ene e eee 48
*Chondria coerulescens (Crouan and Crouan) Falkenberg ....... 48
Chondria dasyphylla (Noodward) C. Agardh .................. 48
Chondria tenuissima (Goodenough and Woodward) C. Agardh 48
“Digentasumplex (WNrulten) iCa Acard sere ee ee eee 48
Halopitysincurous: (wdson)) Batters) ae eee eee 49
Herposiphoma tenella (C. Agardh) Schmitz .................... 49
Herposiphonia tenella forma secunda (C. Agardh) Hollenberg ... Ag
aunenciaootusa (udson)pleamourouxae epee eee 49
© Laurencia papolosa\(Torsskal) §Greville ee eee ree 50
*Laurencia pinnatifida (Gmelin)) Lamouroux, =529)-22-5). 2-22 50
*Lophosiphonia subadunca (Kuetzing) Falkenberg ............... 50
* Lophosiphonia sacchoriza Collins and Hervey .................. 50
Polysiphonia elongata (Hudson) Harvey in Hooker ............ 50
*Polysiphonia macrocarpa Harvey in Mackay ................... oil
Polysiphonia opaca (G. Agardh) Zanardini .................... 51
* Polysiphonia urceolata (Lightfoot in Dillwyn) Greville ......... 51
* Polysiphonia violacea (Roth) Greville in Harvey ............... alll
* Pterosiphona complanata (Clemente) Falkenberg .............. 51
* Pterosiphona pennata (C. Agardh) Falkenberg ................ a2
Rytiphloca tinctoria (Clemente) C. Agardh 23.4.5) eee 52
Viadaliazvolubvlis| (eimmacus) apy Acard hie ney eee a
Derterattare te ay cles os cp EN ge soli eee aI ae ne ca ear 53
The Marine Algae of ‘Tunisia
Ernanit G. Menez
and Arthur C. Mathieson
Introduction
The North African country of Tunisia lies on
the southwestern shore of the Mediterranean be-
tween Algeria and Libya (Figure 1). The coun-
try’s extensive coastline (approximately 1500 km)
borders the eastern and western basins of the
Mediterranean. Very few detailed floristic studies
of the Tunisian marine flora have been con-
ducted.
The first records of Tunisian marine algae (42
species) were published by Piccone (1884, 1879)
from Galite and Cani Islands in northern Tunisia.
Patouillard (1897) published a catalog of plants
in which Sauvageau reported 6 species of sea-
weeds from the Gulf of Gabes in southeastern
Tunisia. In the same year Debray (1897) reported
30 species from Tunisia. Peterson (1918) listed 19
species collected by Paulsen and Ostenfeld from
Galite Island during the winter of 1908-1909 and
summer of 1910 cruises of the Thors Danish
oceanographic expeditions to the Mediterranean
and adjacent seas. Schiffner (1926) published the
first marine flora of Tunisia, listing 60 species of
algae from Tunis, the capital of the country, and
Sfax, a coastal city in the east. Hamel (1926,
1927, 193la,b) listed 55 species of algae from
Tunisia. Feldmann published two short papers
(193la, 1951) on Tunisian algae citing a few
Emam G. Meriez, Smithsonian Oceanographic Sorting Center, Smith-
sonian Institution, Washington, D.C. 20560. Arthur C. Mathieson,
director, Jackson Estuarine Laboratory, University of New Hampshire,
Durham, New Hamphshire 03824.
specimens from Gabes and Sousse. Subsequently
Feldmann (1961) gave a comprehensive report of
90 species from Galite Island in northern Tunisia.
Hamel and Lemoine (1953), in their publication
of the Corallinaceae of France and North Africa,
listed 15 species of coralline algae from Tunisia.
Earlier Lemoine (1924) reported 3 species of cal-
careous algae from Tunisia during the Mediter-
ranean cruise of the Pourquois Pas?. A list of 56
species of seaweeds from the Gulf of Tunis was
published by Ben Alaya (1970). Other investiga-
tors, such as Fremy (1925), Pottier (1929), Huve
(1962), Boudouresque (1967), Mazoyer (1937,
1938), Seurat (1929), Mollinier and Picard
(1954), have also contributed to our knowledge
of the benthic marine algae in Tunisia.
General collections of seaweeds were made at
different times of the year at 29 sites throughout
the Tunisian coast (Figure 1) between 1973-1975.
Voucher specimens of all the species collected at
each site were prepared. Whenever possible, 5 or
more replicates of each species were made. Hab-
itat descriptions of the 29 collecting sites (Figure
1) are summarized in “Collecting Locations on
the Tunisian Coast.” Overall, the sites represent
exposed, semi-exposed, and sheltered locations,
and the algae were either growing on rocks or
sand-mud substrate or epiphytically on seagrasses
or other algae. The specimens were collected
principally by free diving to 3 m deep or dredging
to a depth of 40 m.
A total of 169 taxa of seaweeds was collected
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
TUNISIAN-SICILIAN Bee, 90
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MEDITERRANEAN
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FicureE 1.—General collecting sites throughout the Tunisian coast.
NUMBER 10
from the 29 sites in Tunisia, including 37 (22%)
Chlorophyta, 36 (21%) Phaeophyta, and 96 (57%)
Rhodophyta. Of the 169 species, 57 are newly
reported from Tunisia, 1.e., 14 Chlorophyta, 8
Phaeophyta and 35 Rhodophyta. Of these, 16
represent genera previously unreported. The gen-
era are: Spatoglossum, Punctaria, Blidingia, Derbesia,
Pseudobryopsis, Scnaia, Myriogramme, Bonnemaisonia,
Falkenbergia, Cryptonemia, Halarachnion, Hypoglos-
sum, Rhodymena, Pterosiphonia, Spyridia, Digenia.
The taxa new to Tunisia are designated with an
asterisk (*) in the systematic section. Basionyms
and synonyms are included in the list. References
pertinent to Tunisian marine flora, general col-
lection data, and the distribution of seaweed taxa
in the Mediterranean, northeastern Atlantic, Red
Sea, and Indian Ocean are included in the list.
Collector is designated as EGM for E. G. Menez.
The numbers in italic cited after the collector
correspond to collecting stations, followed by
specimen numbers in roman. Specimens are being
deposited in the U.S. National Herbarium,
Smithsonian Institution (US), the Hogdon Her-
barium (NHA) at the University of New Hamp-
shire, and the Institut National Scientifique,
Technical d’Oceanographie et des Péches (IN-
STOP) in Tunisia.
ACKNOWLEDGMENTS.— This study represents a
portion of a dissertation submitted by E. Menez
to the University of New Hampshire in partial
fulfillment of the requirements for the degree of
doctor of philosophy. The financial support pro-
vided by the Smithsonian Foreign Currency Pro-
gram for the research in Tunisia was greatly
appreciated. We wish to thank Dr. S. Dillon
Ripley, secretary of the Smithsonian Institution,
for granting travel support from the Fluid Re-
search Fund to enable E. G. Menez to study
specimens of Tunisian seaweeds deposited in the
British Museum (Natural History), London, and
in the Laboratoire de Cryptogamie, Museum Na-
tional d'Histoire Naturelle, Paris. We would like
to acknowledge the assistance of Dr. Abderrazak
Azouz, director, Institut National Scientifique,
Technical d’Oceanographie et des Péches (Tuni-
sia), for granting permission to collect and study
seaweeds from Tunisia. For critical review and
discussion of this paper, we are indebted to Dr.
Linn Bogle and Dr. Garrett Crow, Department
of Botany, University of New Hampshire; Dr.
James Norris, National Museum of National His-
tory, Smithsonian Institution; and Dr. John West,
Department of Botany, University of California,
Berkeley. Dr. Paul Silva, University of California
Herbarium, Berkeley, assisted with problems of
literature citations, for which we are grateful. For
their encouragement and continued support, the
senior author wishes to thank Dr. Robert Higgins
and Dr. Raymond Manning, Smithsonian Insti-
tution. Last, but not least, we would like to
acknowledge the assistance of Ms. Hilconida Cal-
umpong, Smithsonian fellow (Educational Out-
reach Program), in the final proofreading and
typing of this paper.
Collecting Locations on the Tunisian Coast
The Tunisian coastline is approximately 1500
km long. The northern boundary (08°45’00” N
lat., 36°57'00” E long.) is 5 km west of the city of
Tabarka and the southern boundary (11°34’00”
N lat., 33°10’ 00” E long.) is 6 km south of Lake
E] Bibane. A brief description of each collecting
station (Figure 1) is given below.
Station 1, Tabarka: a sheltered rocky beach at the western
edge of the port. The substrate consists of large subtidal
rock outcrops. A rich algal flora is evident.
Station 2, Cap Serrat: a semi-exposed sandy beach 56 km
west of Bizerte. A rocky promontory with large tidepools
provides an excellent substrate for a well-developed flora.
Heavy populations of Postdonia with numerous algal epi-
phytes.
Station 3, Bechateur: an isolated, semi-exposed rocky site
with a sandy beach 3 km west of the town. Rocky outcrops
and Posidonia beds abound with algae.
Station 4, Corniche, Bizerte: an exposed sandy beach located
behind Hotel Corniche 4 km west of the town. Collection
consisted of drift specimens of algae.
Station 5, Cap Zebib: an exposed sandy beach 12 km west
of Bizerte. Vertical surfaces of rock benches, subtidal rock
platforms, and sparse population of seagrass provide an
excellent substrate for a rich algal flora.
Station 6, Raf Raf: an exposed sandy beach 15 km west of
Cap Zebib. The substrate consists of a few, small rock
outcrops and sand. Algae were sparse.
+ SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Station 7, Ras Sidi Ali El Mekki: an exposed sandy beach at
the northwest end of Gulf of Tunis. Few, scattered rocks
with poor algal cover.
Station 8, Ile Plane: an exposed offshore station 8 km west
of Ras Sidi Ali El] Mekki. The substrate consists of rocks
mixed with sand and calcareous algae fragments. Algae
were dredged from depths of 15-75 m.
Station 9, mouth of Madjerda: a semi-exposed site near a
river outlet 8 km south of Ras Sidi Ali El Mekki. The
substrate consists of muddy sand. Algae were dredged
from depths of 15-57 m.
Station 10, Raouad: an exposed sandy beach 13 km south of
Madjerda on the western side of the Gulf of Tunis. The
substrate consists of sand with few, isolated rocks. Algae
collection consisted of drift specimens.
Station 11, Gammarth: a semi-exposed sandy beach behind
Abou Nawas Hotel 9 km south of Raouad. Rock outcrops
and Cymodocea beds abound with well-developed marine
flora.
Station 12, Corniche, La Marsa: a sheltered sandy beach 7
km north of Gammarth in the Bay of Tunis. A rocky
promontory and extensive Cymodocea beds provide a good
substrate for a rich algal flora.
Station 13, Sidi Bou Said: a sheltered marina enclosed by
man-made rock piles 3 km south of Corniche, La Marsa.
Sparse Cymodocea covered with algal epiphytes.
Station 14, Korbous: a semi-exposed rocky beach 6 km south
of the town on the Cap Bon peninsula. Few algae were
found on intertidal rocks and Cymodocea.
Station 15, Nabeul: an exposed rocky beach behind Hotel
Pyramides on the Cap Bon peninsula. Intertidal rock
platforms with few algae.
Station 16, Hammamet: a semi-exposed sandy beach behind
an old fortification on the Cap Bon peninsula. Isolated
boulders provide a good substrate for rich populations of
Codium and Porphyra.
Station 17, Sousse: a semi-exposed sandy beach adjacent to
the main boulevard. Massive rock piles 50 m offshore
support a rich algal flora.
Station 18, Monastir: an exposed rocky beach 14 km south-
west of Sousse. The substrate consists of sand and rocks.
Vegetation is poor.
Station 19, Sidi Fredj, Kerkenna Island: a semi-exposed
sandy-muddy beach on the western end of the island.
Occasional rocks and Cymodocea beds provide substrate for
the algae.
Station 20, E] Attaya, Kerkenna Island: an exposed sandy-
muddy beach on the southern end of the island. Intertidal
rock platforms and Cymodocea beds abound with lush algal
vegetation.
Station 21, Sidi Youssef, Kerkenna Island: a sheltered sandy-
muddy beach adjacent to the ferry-landing. Sand, mud,
and occasional rocks support a poor vegetation.
Station 22, Gulf of Gabes: an offshore station 72 km south
of the city of Sfax. Algae were dredged from depths of 37-
38 m.
Station 23, Bord Djillidj, Djerba Island: an exposed sandy
beach on the northwestern end of the island. Coarse sand
supports few algae.
Station 24, Dar Djerba, Djerba Island: an exposed sandy
beach behind Hotel Dar Djerba. Rock outcrops with poor
cover of algae.
Station 25, Sakiet, Djerba Island: an exposed sandy beach
3 km south of Dar Djerba. Seagrass, rocks, and sand
provide substrate for algae.
Station 26, El Kantara, Djerba Island: a sheltered sandy
beach on the southern end of the island. Intertidal rock
platforms and Cymodocea beds provide a good substrate for
marine vegetation.
Station 27, Aghir, Djerba Island: a semi-exposed sandy
beach 5 km north of E] Kantara. Cymodocea with numerous
algal epiphytes. Occasional rocks support sparse popula-
tions of larger algae.
Station 28, Zarzis: an exposed sandy beach adjacent to a
small bridge 18 km south of El Kantara. The substrate
consists of rocks and sand. Vegetation is poor.
Station 29, El Bibane: a sheltered salt-water lake 8 km north
of the Libyan border. The substrate inside the lake consists
of mud and sand, which support thick populations of
Cystoseira, Udotea, and Halimeda. Subtidal rock platforms at
the narrow opening into the lake with rich algal cover.
Key to the Marine Algae of Tunisia
WW, Plains Galkeniecl ...coc0sanccoocuccs
Plantsnoticalcitiedieeeeeneenee
2. A simple stalk bearing a disk at the apex ..
13
_.Acetabularia acetabulum
Plantsymotralstalkibeanime ardiskvatithelapexan as Sane eee 3
3, Pleats WAaleilate ccsacccenscsauovce
Plants not flabellate ~.4-9.5.-....-
4. Plants erect
NUMBER 10
lzlantsesuitmawicneheayy calcification) eaannin: 2. nec. Meee ee. 6
Plants soft and pliable, moderately calcified .................... Liagora
A. Plants irregularly branched, with many laterals ........ L. distenta
Plants dichotomously branched, without laterals ........ L. viscida
. Plants with simple stalk and terminal tufts of free filaments ...........
s 0-8 3180, 0) S156) g.8: oreo eco AES BEARS A caer Espera mediterranea
Plants not a simple stalk with terminal tufts of filaments ............ 7
Malslol dtasigitibnOustmeny ss 0 eee ee Halimeda tuna
ol fasten o ehillbrousiEeere tery bn ey ec eR ei Fea 8
mglAMtsMwitheaxialaconceptaclesi were). Ga sakes. SW aGe woe ge eee dee os 9
lants withapicaliconceptaclesissj4:2 45+.) 4.- Haliptilon squamatum
Falamtswwithvateralvconceptaclesimmannn ed. 6.4 See sane. ok Amphiroa
A. Upper segments compressed, cylindrical below, dichotomously
branchedsoranches often recuived: 5. ese 4a. a. A. beauvoisii
Nesmentsiteretes pranchesmot recurved) 52082 4.02-..-.- A. rigida
BANC Ma eEiChOtOMOUSE ee ee hy) sa ae ae aca. dee Jania
A. Diameter of main segments more than 400 ; plants more than 4 cm
JING sleet aero Goh ilelars Meee ae net cna eee ee J. longifurca
Diameter of main segments less than 250 yw; plants up to 5 cm
|UEADY. — y 5%o py $87 Be ha Ce PIES 0 St eee B
B. Habit corymbose, segments 3-6 times as long as broad .. J. rubens
Habit divaricate, segments 2-3 times as long as broad .............
ai9, jg ieee a Batti og me PER me J. corniculata
, LREVRCIRIIIS ONVAURE NIE aes Sle cicltoiare god clark ete ene ee eee aE Corallina
em Conceptaclespwithout hors; 2.4.4...) .5.4.-.-....- C. officinalis
Conceptracles wiltiawMOnnspery eee a ee a ess B
B. Plants saxicolous; basal disk bears many large erect fronds; intergen-
LC UTTAR COMM NESSCCs saree eine ee eae ee C. elongata
Plants epiphytic; basal disk bears single erect fronds; intergeniculum
Panuhyacyiinadnicalin s\n Weer cic sane ete oh. «Bae C. granifera
. Thallus heavily encrusted with lime; sporangia in conceptacles ..... 11
Thallus moderately encrusted with lime; sporangia scattered between
elecullam@ents(Pakaphyses) a9 e420... see sce Peyssonnelia
A. Plants crustose, loosely attached, somewhat rigid and stony, deep
IRE ates inate co <2 ie yen a RR cae oot a P. rubra
Plants crustose, closely adhering to substrate, leathery, brownish to
US tC OLOnC lm ey Nmerar MMe we UU GE P. squamaria
mS CCONdaALyeplmconmechions) presemt =)... 0.255 )).2 es...) ee 12
Secondary; piticonnectionsiabsent) 92--.....2.54..9..- Fosliella farinosa
ilantsiepiphyticron other algae). 92... Dermatolithon pustulatum
FalamtsssaxicolouSmewseen yt tne ene. se tle Lithophyllum incrustans
> Pleats MENTE OTOLUIS Pies chee ain 4.7415 oe ee RR 2 ee 14
lantsmnetehlanventouse sae ee aa 2. eee en a ce) Es 34
Sel armontsporai che mere rye ere nets 3 cen ie eM NACE ee la ne 15
iL).
16.
18.
NG),
20.
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Filaments) entinelyiuniseniate apes sn errant en erase ree eee 16
Filaments partly, onmentinely mmulltisentatemer | meen een eee 26
Filaments with reticulate, clathrate, or fragmented chloroplast;
miultinucleate: fsa isle ca Leas GOP ee eee Nee rere itd
Filaments without reticulate, clathrate, or fragmented chloroplast;
Spot ONOKG) (x21 d2) ne io teal oln ead oladn olds Sidi Kldia teoss.t6 00°40 18
. Thallus free-floating; chloroplast clathrate or fragmented; filaments
entameled 3a ibengee iscsi ae ore ce Cladophoropsis modonensis
Thallus attached; chloroplast reticulate; filaments free ... Cladophora
A. Plants a spongy mass of interwoven filaments ............ C. albida
Plantsiconsistineofetree ail aia e 1iGs reir ramen one eee B
B. Rhizoids numerous, long, rising from basal filaments ..C. prolifera
Rhizoids few, short, arising from basal filaments ................. C
CG) Filaments fine, soft, silky, and pale!green “==. 9. C. crystallina
Filaments coarse, not sillyardarkgoneciie pe meer ere eee eee D
D. Plants forming tufted cushions, not more than | cm high ..........
MME: Rete Cor TOR bly Mili aio 6's ope ho ch iil BBs 5 C. lutescens
Plants erect. more;than 2enaehighire eee ste cee E
E. Filaments near the base 150-200 p in diameter, 6-10 times as long as
broad ke tetas MOS UE nee ee C. utriculosa
Filaments near the base less than 150 p (rarely 200 p) in diameter, 2—
7 times asilone as broad’). secre cnr coe eee ee 18
F. Branch system acropetally organized, falcate ........ C. dalmatica
Branch system not acropetally organized, straight ............... G
G. Filaments 80-150 pz in diameter; branches opposite or in fours; cells
324 timesias lomgaas) noc ile csarrer eerie ee C. rupestris
Filaments 120-200 p in diameter; branching radial; cells 2-6 times
as lonie,as broadiic: = ere) Seen oe ree C. ramosissima
Filaments without mvolwcrallicelllsl ye mperne an sen eer ee 19
Filaments bearing involucral filaments) 7... 2°°)22>= = eee A
A. Branching alternate or irregular, plants bushy . Anotrichium tenue
Branching dichotomous, plants tufted .................. Griffithsia
Bz) Wetrasporangiaimalce lee tree nee G. flosculosa
ahetrasporangialcovencclenner: ae aera G. phyllamphora
Plantspince-tloatincarene eran er eer ee Derbesia lamourouxii
Plants attached, color various but not greem .........1.:.45......=-- 20
Filaments occasionally epiphytic, reproducing commonly by poly-
SOLES eer: fo): 2S aoa) 5 ae ere ee MEM es choc 5 bs Zl
Filaments epiphytic, reproducing commonly by monospores ........---
OT ROT nc ora Oo MRENO Tere yen cb a0! 6 Acrochaetium
AY Base composed of creeping illaments yyy er eae eee A. codiculum
Base composed) ofa cdiskaien sy) --). sya ee tee B
By Disksproduces creeping filaments) 2 ne rere ae ee A. virgatulum
Disk produces directly erect filaments ..........:.5.07: A. savianum
NUMBER 10
Zl
22:
ZS,
DAs,
Dy:
26.
Filaments with highly refractive lateral vesicular cells .................
= o:t « £8 bide OS ob Reh Oe 5 be eee eRe 7 38 Jey eae Trailliella intricata
Filaments without refractive lateral vesicular cells .................. 22
Fat ATE MESRE COMUICALC Heine ah RE PN Sk ek PO Sp 23
Filaments corticated at the nodes or sometimes cortical cells covering
EMMI C RUINS Wale AKI Sy Le setee pa Por Meee me Beef t2 sens es Be Ceramium
Aemutlaments; beset with)spines at the modes ............... C. ciliatum
Hal ATE MAES MWA Nn OURS ONES wategs He Wysgo oe cea oe 2 A eae Mee B
Dela antspenbinelys conticatedieryr ees as sss k. oes C. rubrum
FalANtSICOnMCATEOnlyaaty the MoOdesy ea oye ako oa geek te C
C= tilamentsisetaccous;at the base... 2.245 5.5.44: C. diaphanum
Filamentssnotsetaccousmatsthe basemen.) 14555445 Wa dade ree D
D. Cortical cells distinctly dissimilar in size and shape; tetrasporangia
CONTE Gay AcOntiCali cell Susan is as does Wye vib gerceensieaa oe a E
Cortical cells similar in size and shape; tetrasporangia naked ......
5 ds oA GE baie © BRIDE OSB ocote aieen tine ene te ean eae C. tenuissimum
E. Cortical cells at the base of the node larger than cells above .......
joo da SSP ED aR ISAC SY USA Se EROS Reene ee ne eee C. tenerrimum
Cortical cells above the node larger than cells below ...............
Soo bos eas ee Ot, ee ee eee eee C. gracillimum
Sporangiastemapantteron tetrahedral (4220). en.2-)- 4252. ca: eee 24
SVOORAIOETED Tomar Coxe) ee) ANS Te ee 8 ce ee ee re ear 25
Sporangia tetrapartite; cells uninucleate .... Antithamnion cruciatum
Sporangia tetrahedral; cells plurinucleate .............. Callithamnion
A. Tetrasporangia elliptical; ultimate branchlets pinnate or di-
CI NOLOU OU Sime peers bet Tuan! sist a iiea? cee aap rn, EAS B
2 bey idl ch a bes earn ditches IEE se aie ae | C. tetragonum
B. Tetrasporangia lateral on branches; branchlets pinnate ............
nia 015.9 6 DAD MA Mth De 016 A a eae ae eet een ore C. byssoides
Tetrasporangia axial on branches; branchlets dichotomous ........
ty re ee eg oe. ces ee Se EE C. granulatum
Chromatophores numerous, discoid ............... Giffordia hincksiae
Chromatophoresstewsbanded! 25... 25-.5-60 6.47 ees.) 2. Ectocarpus
A. Base of plants tighty entangled becoming free above; ultimate bran-
chlets secund and ending in a hair; plurilocular gametangia ovate-
ACUI ACC Meer O eernnen OC (apy Ree ee. D E. fasciculatus
Base of plants loosely entangled becoming free above; ultimate
branchlets secund, few ending in a hair; plurilocular gametangia
subulate-conical, sometimes apices ending in long multicellular
[VEUIES so. dsin ches Bee egal ics Sora cs Me Sa alg Re Ao E. siliculosus
MilAmentsswathout propaculalys: Se see Ree aster dl
Filaments with stalked, bi- or triradiate propagula ....... Sphacelaria
A. Branching irregular; propagulum bi- or triradiate ............... B
Branching pinnate; propagulum triradiate .............. S. cirrosa
30.
he
OD
34.
35:
36.
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
B:) Propagulumatuinadiate : sear ene ene ere S. tribuloides
Propaguilumegbiradiate, —foee- aa ereraer et cere ear aee S. furcigera
. \Gells withouGipitxconnectionsiae- peaeee, oe Cee ene eee 28
Gells:withtpit connections 277... 445... ca see ee eee 30
Kilamentssumiseriatesthrouch Outen ee aan eee 29
Filaments uniseriate below becoming multiseriate above ..............
Wes irks SGA aie ete. SRA ne A Ee Me Bangia fuscopurpurea
. Filaments unbranched, with gelatinous sheaths .. Goniotrichum alsidii
Filaments branched, without gelatinous sheaths ..Erythrotrichia carnea
Filaments with 3 pericentral cells ............ Falkenbergia rufolanosa
Filamentsiwaths47.0~ more percentralacell Siena een ene 31I
Branches not formediin resular sequencesme =a eee 32
Determinate and indeterminate branches formed in_ regular
SEQUENCES, 5.5 any BR ate tee Herposiphonia
A. Pericentral cells less than 10; erect determinate branches less than
INSi001 90 (e) cl tun MOR II = olla als danaa'e on H. tenella f. secunda
Pericentral cells more than 20; erect determinate branches more than
Ieimim) lon Ge esa ke nn ee ee Re eee ee H. tenella
2. Plants erect, sometimes with decumbent basal filaments; apices
Stralehitys, oj cuo do ode yoyo es 2c eg ee 33
Plants with creeping primary axes, lateral branches with recurved
APEX Bee ere ics un, ca ls ee ee Lophosiphonia
AX. Rericentralicells 42 rhizolds;saccate eee alee eee L. sacchoriza
Pericentral cells more than 4; rhizoids not saccate ...L. subadunca
Main axes polysiphonous; ultimate branches monosiphonous ..........
Heterospihonia wurdemanni
Pilamentsyentirelyapolysiphonousma se sere sn Erne Polyspihonia
A. Primary axes) with 4, pericentral cellsie).2.) ee eee B
Primary axes with 16-20 pericentral cells ................. P. opaca
B:, Bilamentsxcorticated,, es sue 2 C
Filaments uncorticated: J .2.:. snes ues och pOeee ee Cee D
C. Plants 10-15 cm high, branching alternate ............ P. violacea
Plants more than 15 cm high, branching irregular ..... P. elongata
D. Plants less than 3 cm high; branching irregular ..... P. macrocarpa
Plants more than 10 cm high; branching pseudodichotomous ......
P. urceolata
Plants not spongy or feltlike, without inflated utricles .............. 3D
Plants spongy or feltlike with a layer of inflated utricles ...... Codium
Ae lantsanwunbranchedispherical amass sneer C. bursa
Plants erect, subdichotomously branched ......... C. decorticatum
Plants subspherical and convoluted .............. Colpomenia sinuosa
Plantsmotusubspheriealvandiconvoluted, (aren ecee ae eee 36
Mhallusiwathiinrollledinancin sie eee eee Padina pavonica
hallusiwathoutimnolledimar sins pean eee nee ene 37
NUMBER 10
37
38.
39}
40.
Medulla traversed by a system of filaments (trabeculae) ...............
0 0 8a ROH BULLY to < SUED os Eee Cet ERR Te Ores chk ed ee Caulerpa prolifera
Miedullaswithoutcinabeculacs casas yarn ies). to heey eenee aoe 38
Thallus not tufted, coarse and stiff, often more than 10 cm high, ramuli
MOtmoasallveconstnicte dada ranewtatne ey atch. wa a mrehanh y 3: 39
Thallus tufted, soft and flexuous, less than 10 cm high, with ramuli
basally constricted and pinnately or multifariously arranged ........
Re PON Pe As SelB. os a aR UNE ace wan tyaeet please Bryopsis
A. LREMPOOUN TCO (OVEN COONS sn noo Ser teR a aie cos aay iin ane vee aus en ne ene B
Ramuli distichous, sometimes with only one row of ramuli ...... C
Dem Viaingaxessproluselyabranchedir ana ean ota ee B. hypnoides
IMENT BSS GON ONS" Cae se ass Sta die mea oe cee ERR eee TE Bo B. muscosa
Ce DiametenotramulimlessithanioOily 2 cs 4he eee B. balbisiana
Diametenorramulimeonre than OO) Ges. B. plumosa
Plants lNeETIN ES BNE AKESICES gia, clita awn e Meee ren CREATE ho eGR SG, ok 40
FalAamMtSmyVNUlN@Utrali=V CSICLES Mme ge ete aya 4 VE ba cd test ea 41
Foliar structures spinelike; receptacles developed near tips of
ISPAVANE MES 5 J sis pee bec oo Parte Oa ON ey a ee ee eee Cystoseira
Mm ocinglcwaxis) produced trom a single basal disk 3.4.0). ..95.. ks. B
Severalyaxes; produced froma single basal disk .>...2.......:-.--- C
B. Branches beset with long, slender, generally dichotomous ramuli;
VESIGIES CALEMALS "5G PE eS ae ee. C. barbata
Branches beset with short, stubby, spiny, dichotomous ramuli; vesi-
Clos ollie: typ a eee ion eae ech C. mediterranea
C. Axes and branches compressed, becoming terete distally; large fusi-
form vesicles conspicuously catenate at younger parts of the plant
oS BOGS 8 OS cea he ae LE eet CR er Oe ee C. compressa
Axes and branches terete; small round vesicles solitary or sometimes
Gdoulblerandsbornesatibasesioframuli: yee) 5. eee nee D
D. Ramuli short, not more than 3 mm long, crowded or thickly set
RACIAL AOMBOTAM CES tie SN kn neuen Onn eine ek cuNe toi act « E
Ramuli long, slender, more than 3 mm long, branches and ramuli
[DUG Ia Carpe h were lace) 2 Hehe eed cia cI Ck Bees eae EOE declare teat Id
E. Ramuli short, torulose, with blunt tips ............... C. schiffneri
Ramuli slightly compressed, forked, with pointed tips involute, com-
pletely covering axes and branches, except short portion near the
SENSEI: GINS “asc comtelN eee a e ecceibe eea a e C. sedoides
F. Ramuli compressed, irregular to opposite ...... C. myriophylloides
Ramuli terete, dichotomous to subdichotomous .................. G
G. Basal disk producing two axes with many branches; ramuli
GiCMOtOMOUS hee tise ee ee aa eee ote C. sauvageauiana
Basal disk producing more than two axes; branches clothed with tiny
spinelike projections at the lower end; branchlets arising from apex
Ofpeachtmainybranchigwp a wnat ti! ee C. discors
40. Foliar structures narrow or broad blades; receptacles axil-
WANN Mae oe ae ee circ bo MIME EU g) BR Up a ss SPR aes a Sargassum
41.
43.
44s
AD
46.
47.
48.
49.
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
A. Blades linear-lanceolate, 5-9 cm long; vesicles with alated stalks;
FECeptaclessup tO} / lm TNPLOS yey ee ee ee S. linifolium
Blades lanceolate, 1-2 cm long; vesicles with simple stalks, receptacles
2-4, mim lomoee yo) c6 tt A ose Pe S. vulgare
Thallus tubular, brown and constricted ...... Scytosiphon lomentaria
Thallus, if tubular, not brown and constricted ..................... 42
2. bhallusmoticonsistine ofivacuolate7cell Sums ert ee eee 43
Mhallus:consisomesofavacuolatecellsiaaneee eee ee Valonia
A. Cells crowded together in a mass; cells ovoid, obovate or clavate,
more thane) mimemnidiameten meer one ee eee
sO RE OREN HR I el otc 2 v0: cic Gums aA oa V. macrophysa
Cells loose, long and clavate, less than 5mm in diameter ..........
Bc A en ee eee ee ee V. utricularis
M@hallus*greenanditubular os. 4-7 see ee 44
Thallussnotsreen and tubular” [yee eee ee AS
Two or more thalli arising from a single discoid holdfast ..............
I ee EAR A Bet Ma MRE PER AE AIS G00, 0-5 o thes Bra jo%e Blidingia marginata
Thallus arising singly from a discoid holdfast ........... Enteromorpha
A. Plants tubular near the base, expanded distally, unbranched, margins
of blades‘hollow —. 25) 4. eect eee ee E. linza
Plants entirely cylindrical or compressed or expanded distally, simple
or branched hollow throughoutipyee ones] eee eee B
B. Cells in longitudinal series or at least in ultimate divisions ....... C
Cells not inloneitudinallseriesyee sy ener Eonar e eco ee F
@> Plantsixepeatedly and protuselyjbranched er. ee D
Plants)simplevor with proliferations eee nen eh nee E
D. Plants stiff, with short, spinelike branchlets ........... E. ramulosa
Plants filiform, with elongate branchlets ............... E. clathrata
Bes Plants pwithoutyproliteration siren ea ne E. flexuosa
lamtspwathsprolitcrations ie erent reser eear ane E. prolifera
F. Plants unbranched, expanded distally, often contorted and open at
Chevend eure Sass i> coro Rare a oe eee E. intestinalis
Plants branched, expanded distally and compressed . . E. compressa
Plantsjolive-brownktordark brown sense ee nee 46
Planitsenot Drowith ¢,.....04).on toes Sean a ene He ee re 58)
Thallus consisting of a small monostromatic disk of radiating
filaments. eres... Week a eterna sae Myrionema strangulans
Dihallusimotasmonostromatichdskgee ene ey een ae eee 47
Thallus with a distinct midrib ............ Dictyopteris membranacea
‘Bhallus withoutsaymidnibs tetser a. esac 32) Ree eee 48
Entire plant a slippery dark brown crust ............ Ralfsia verrucosa
Entire plantinotrayslippernyadarksorowniChUS Genre pees ieee 49
Blades subpalmately lobed with an irregularly dentate margin ........
ee Te ee. Sits Meo © oc ediee M ETA EY, Spatoglossum schroederi
Blades notsubpalmatelyglobediiaee sane pee rer ne none Cntr errr 50
NUMBER 10
he
58.
DS),
60.
61.
62.
63.
64.
mbladesawedgeishaped) «ak eta. stack Se ees Jaeeons Taonia atomaria
Bladesinotwedee:shapeds Ayu. bien liane. sis eee etna cl. 51
. Plants consisting of an entire lanceolate blade ...... Punctaria latifolia
lantspuotmaglanceolateiblades vin. ccy..) HZ
. Plants prostrate or appressed to substrate by numerous rhizoids .......
St dc oo 0 6-3. Etna te len Ors a ti ae eee Zanardinia prototypus
IPIEVAIS GEST av ot Hope Oks oR EET © Be a nee One Ped rane ae a3
. Thallus without distichous or multipinnate branching .............. 54
Thallus with distichous or multipinnate branching ......... Halopteris
A. Branching multipinnate; plants attached by a disk ..... H. filicina
Branching distichous; plants attached by rhizoidal filaments ......
RN a RO PRE i oS Sooo: 2 aN Gad ply 3 a Rees H. scoparia
Branchlets whorled; main axes covered by rhizoidal filaments .........
roig ae 3400 50 HSER ORE Oe: Sone ae ee Cladostephus verticillatus
Branchlets not whorled; main axes not covered by _ rhizoidal
TULA VAAVETNIS” 5 abc pitas 2 470 uo Sloe aoe AS ene eee ee DD
Bladesiflabellateyandlameised| 2555-4. 42-5. 25-4224. Zonaria tournefortii
Biadesmmotatlabcilateandnmecisedyy eee a 56
Meflilrallisistrapesbape ct weary re yee Se Nags Mee wale oe Sd dashes Dil
Miallusmotestrapishaped ee... teh tae 2 kp eas. 58
me Meduillayconsistins of a single layer oficells .-...............-: Dictyota
Deebladesisiraisht, more than 2mm wide 2..:........... D. dichotoma
Bladesitwistedslessitham 2 mm wide ..2)....4....5.26-5¢ D. linearis
Medulla withiat least two layersof cells .........+........:.. Dilophus
meme lacesespinallled pes were Ae ae ie ooo we ce en REE D. spiralis
Biladesistrarcintwrere te ine sick co he Mo D. fasciola
Branchlets dichotomous; sporangia borne on straight, clavate paraphyses
IES PIN EKICAleSOnige mar tate es hse Ara es Spermatochnus paradoxus
Branchlets subdichotomous; sporangia borne on incurved, clavate
paraphyses in hemispherical sori ............... Stilophora rhizodes
J PUY, CAREETAY. sich Se a ea ca a Ne 60
PIAS TOYOXE (ARSON: "a cel o op. onsite ao Het ae RR EME eA a rere 63
Brtimeyplantclubishaped = .2.8)05. 27.2. 25.5- Dasycladus clavaeformis
Butinesplantenotaclubishaped’= 2402522: Ie ae 61
Thallus flabellate, formed by polychotomously branched cells .........
w dig cio qi aia 3 09:15 ok Ne gn ee cE Anadyomene stellata
siivalluismotetlainellateear een: MNT SMES 2! eR EE TE EE RON! Sot 63
Thallus tufted, consisting of uniseriate rows of cells originating from
Creepin SenhizOMmesie se so ee Pseudobryopsis myura
Thallus a membranous, expanded, distromatic blade ............. Ulva
Marlantsswith simple lanceolate bladesh. 712) 5 2— 2. U. lactuca
antsawithtbroadidobedibladesie =. steel a. U. rigida
Bladesiligulateionstrapyshapeduen- == sso ene eee een... 64
Bladesmormlicullateorstrap shaped! se fae tee eee: 67
Bladesunfacesproliferousi es... ees Halarachnion ligulatum
Bladejsunfacemotiprolifenousyey mere ee seo. oo OO RRR Yn. 65
65.
66.
ae
73:
74.
7D.
76.
Til.
78.
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Bladestligulaterandstwisted! spent ene eee eee Vidalia volubilis
Blades ligulate to strap shaped and not twisted ..................... 66
Plants consisting of simple, strap-shaped blades with inrolled
APICES YF LAE eee ag! ea re oe Rytiphloea tinctoria
Plants consisting of proliferous, ligulate to strap-shaped blades without
inrolledtapicesey ee as: ee eee bse Rissoella verruculosa
7 Enitiresplant omeiorntw oncelllsi tla carseat ate eee 68
Bntine plant amnonesthvarntwOKCelll Sah kaiser aes eee 69
Pthalltismonostromatic esses yee ee re Porphyra leucosticta
athallusidistromaticaess sent er nnn Myriogramme distromatica
» Bladesiwith¥asmicisllomee eet eee Hypoglossum woodwardii
Bladésswithout a midrilby ep eee cs ee 70
. Thallus'without'a'stalke ei tan eae eee as ace en Ti
Thallus consisting of a distinct stalk, with expanded, flat, proliferous
blades!'above.... tee eek an nan Rae ee ea errr Phyllophora
A. Plants with long, terete stalk expanding into flabellate, forked
branches: above: i.Pi 05sec. + 9cune ween ce eee P. nervosa
Plants with a short, terete stalk and with strap-shaped, dichotomous
sepsmments:aboVves 3-2 tet he eee P. pseudoceranoides
Plants one cell thick, except in lower portions, occasionally branches
withvhooked! apicesm samara lh Aten aa eee Acrosorium uncinatum
Plants more than one cell thick, branches rarely with hooked apices . .72
Medullla wathy stellate celllsty ee nee eee en WS
Miedullawwathoutistellatetcelllsiy == ene eee ee eee 74
Stellate cells numerous, large, with many refractive cells ..............
Pe eee te fee Merce nana Me ie Is ie, ak Kallymenia microphylla
Stellate cells few, small, with few refractive cells ......................;
wa atepptias Ryd ake eeRreie Getter ert Ao Cryptonemia seminervis
Thallus expanded into a semicircular blade, repeatdly cleft into dicho-
COMNOUS SSMMONS : cescuadsncereseceoo< Rhodymenia pseudopalmata
Thallus not semicircular and not cleft into segments ............... 75
Plants with central-filament structure; monosiphonous (uniseriate) or
polysiphonous (with development of pericentral cells around central
cell); naked or corticated; auxillary cells produced from supporting
cellsiaftertfertilization) .si.<. oo eee ee eee ee a eee 76
Plants without pericentral cells; not uniseriate; auxillary cells absent, or
ifspresentthey are formed beforentenulizationys: asst ee eee 85
Main axes covered with uniseriate, branched filaments; soft and delicate;
older parts clothed by rhizoidal filaments ....... Dasya baillouviana
Axes and branches with or without short, stiff, or spinelike branchlets;
rigid and cartilaginous; rhizoidal filaments absent ............... a
Apical cells mysunkentpitsy 29-7 ee ee eee 78
Apical cellsmaot imesunkenipits)e were eet ee ee 79
Pericentral cells distinctly arranged in section; tetrasporangia developed
from pericentral cells and embedded below cortical area ..Chondria
NUMBER 10
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
A. Ramuli attenuated at base and apex ..... SS ral A C. tenuissima
ECan UNL © LAAN A Rap net dese Aes a eemaege rc 12 COREY alae ati, Mie Bont B
BepRamulilonestruncated atapex ees. 1.2. 7. 02 C. coerulescens
Ramulitshontroundedrapex ss) 2 ehiws We )ns 270s C. dasyphylla
Pericentral cells not distinct in section; tetrasporangia found outside of
cortical area and not developed from pericentral cells .... Laurencia
Femme ral SnECKe Lemma Uxtacete tr) UNA cx am eheu pe thes Nala. MERON sa 59 1)
sihallustcomipressedta yeaa Meh: Ves ieetal MY) Pete L. pinnatifida
Bag branchimeyaltermatey sso. AE) ko eet) ee L. papillosa
Branchinesoppositers sates sar can ne Meee a Clete L. obtusa
Main axes corticated by downgrowth of filaments from nodal cells,
pinnate-alternately branched’ 23772... 7- 7 Wrangelia penicillata
Main axes naked, if corticated, then not consisting of filaments; branch-
NOYER STR SLEUUI NE acts genoa al le a aa i ar aA 80
Branches pectinate or second, with two rows of subulate
TAVITA I nin cho ace sR ru tc hc ee le a a Halopitys incurvus
Branches not pectinate or secund and without rows of subulate
IPEIGONUIIN + 5,3: 590m Olu eebS Sata Sta, Les hehe CRE ee AOC net cee ee urna Da 81
Spun branches) present, bearime spinelike branchlets ?.20) 07...
310g 9 drat aiclni > opie asa eS ce ic Acanthophora najadiformis
S OUg Ora CMespalSCMUmner Manama ata cust. ets tee aah aes: 82
FAIS COLCICATE CME ere pene anno eee eens a 83
FalaMisKecOntiCateG were ose ake foe keels Alsidium corallinum
Branching alternate or pinnate, terete or compressed ............... 84
branchinedichotomousstercte 0)... 25.1.1 55. 62 3 Digenia simplex
Main axes with alternate branches producing short, slender, deciduous
Spinelikeibramchietsinvw ie. 65.6 2 eess en Spyridia filamentosa
Main axes producing pinnately arranged simple branchlets ...........
< bo 0 midienibsd’ grtarn okaltnall cl tNeadiAy co ka ai aR i aaa Pterosiphonia
A. Plants procumbent, less than 5 cm high, branchlets terete .........
+ dolor gla bun edhe SiPMSuBNER REO. Rchs \S oat A mae eR a P. pennata
Plants erect, more than 5 cm high, compressed ..... P. complanata
mm oicalranxallanyacellsralsents 4.0. see Oe cae. 86
My orcalgauxallanyecelisypnresemtas.) 205 5. Wek a. eee hema 7 aoe: 90
lantsuaaploblomticnwtrwucae viet een eh fe a ona RAE TAR es 87
FleratsEciplobiomvl cm aae avec ict Secu Pee ch. Maen. eee Comes mcs 89
FsleNINGS MUNIN A SicalmreR neat in G REN rt erie PE Ne ey oh 88
Fe ACS MIIAUNeiactal teens ee etetn We a Te Scinaia forcellata
Plants bushy, in brushlike tufts, alternately branched .................
0-01 9, 60 2b nds cipe nc ae ea ge Asparagopsis armata
Plants not bushy, with alternate, closely packed patent branchlets, and
Spinchikeyramuliicovering® 27). 49. Bonnemaisonia asparagoides
Thallus compressed, rhizines present in the central medulla ...........
gah oe 0 3. acon ee ethane Saar 5 a a aD eae Pterocladia capillacea
Thallus terete or compressed, rhizines present in the subcortical
KE G1 O Mere ewer ey mn ae wma nek GI CS AME aN | Gelidium
3
14
CB.
94.
Sy
96.
D7.
98.
8.
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
As Plantsiwithiprostratelaxesja enna ee a eee G. pusillum
Plantsiwithoutiprostrate axesmac eer er ee een ee B
B. Plants erect, with broad flat axes and linear-lanceolate branches
beset with bristle-like pinnae; branching distichous . .G. latifolium
Plants erect, terete shortly above the base, becoming flat above,
pinnules often pinnate-alternate, occasionally radial .............
ne an 2 Gaetan a ac ha RRS OM rail ene ree, a: Se =a G. pectinatum
. Auxillary cells formed by ordinary intercalary cells ................. Sil
Auxillary cells formed by daughter cells of the supporting cell ...... 96
. Branching pinnately-decompound with alternately secund branch-
FEES aod asc bcp aye pee ees, ene en Plocamium cartilagineum
Branching not pinnately-decompound and without alternate secund
branchlets: 1. ..5....0iia ea shee deeper: 4 sale eee 92
2. Branches with spur branchlets, branch tips often hooked ..............
aries Mw slug der 86 falters AAO aes SAR a Hypnea musciformis
Branches without spur branchlets, branch tips straight ............. 93
Thallus filiform, terete, irregularly branched; branches curved
Gigartina acicularis
Thallus not filiform, terete or compressed, branches straight ........ 94
Plants less than 5 cm high; branching dichotomous; branches slightly
COMpressede. oe. = eee Be ee Gymnogongrus griffithsiae
Plants more than 5 cm high; branching pinnate; branches terete or
COMPKressedh ko. ess Ho soe CERES oe 95
Branches fringed with numerous tiny proliferations which bear the
CYSLOCANDS \i..'. Oot es ee Sphaerococcus coronopifolius
Branches without proliferations, cystocarps sessile .......... Gracilaria
Ace Branches arcuate: 2.55542) \.05 125 a eee G. arcuata
Branches straighten... un eden Soa eieeor, a eee eee B
B. Main axes compressed, repeatedly pinnately branched .............
G. cervicornis
Main axes terete or slightly compressed, branching radial ........ C
G2 Whallus terete. wathispimelikejbranchletsi are eee er G. armata
Thallus slightly compressed, without spinelike branchlets ..........
G. verrucosa
Plants with stipitate pyriform vesicles ........ Chrysymenia ventricosa
Plants! without vesicles) (2.2... 5.0.2: seen oe eee 97
Plants hollow, or with few medullary filaments ..................... 98
Plants entirely solid, or with solid axes below and hollow above .... 99
Rlantsventinelyaholl ewer earn act. eee Champia parvula
Rlantsisolidgatgiboasestofubranchesi sere Lomentaria articulata
Axes solid below and hollow above; irregularly branched .............
Gastroclonium clavatum
Axes with few medullary filaments; branching verticillate .............
Chylocladia verticillata
NUMBER 10
Division PHAEOPHYTA
Class PHAEOPHYCEAE
Order ECTOCARPALES
Family ECTOCARPACEAE
Ectocarpus fasciculatus Harvey
*Ectocarpus fasciculatus Harvey, 1851, pl. 273.—Gayral, 1958:
122, 197, 199.—Seoane-Camba, 1965:69.—Ardre, 1970:
231.—Boudouresque and Perrett, 1977:96.
DistripuTion.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal, Spain, Morocco);
Mediterranean (France, Corsica).
SPECIMENS STUDIED.—EGM /2: 298(US); 301
(NHA).
Remarks.—Common; found in June and Au-
gust epiphytic on various algae and Cymodocea
nodosa.
Ectocarpus siliculosus (Dillwyn) Lyngbye
Conferva siliculosa Dillwyn, 1807:69.
Ectocarpus siliculosus (Dillwyn) Lyngbye, 1819:131.—Bornet,
1892:246.—Funk, 1927:239.—Feldmann, 1931b:209;
1937:265.—Hamel, 1931d:21.—Papenfuss, 1968:28.—
Ardre, 1970:229.—Gerloff and Geissler, 1971:743.—Gu-
ven and Ostig, 1971:122.—Giaccone et al., 1973, table
1v.—Harotinidis and Tsekos, 1975:212.
DistripuTion.— Tunisia (Tabarka, La Marsa,
Sousse); northeastern Atlantic (Portugal, Mo-
rocco); Mediterranean (Spain, France, Italy, Sic-
ily, Greece, Turkey, Algeria); Red Sea.
SPECIMENS STUDIED.—EGM /: 296 (INSTOP),
302(US); 77: 297(NHA).
REMARKS.—Common; found in January, Feb-
ruary, April, May, and August epiphytic on var-
lous algae and Cymodocea nodosa.
*Giffordia hincksiae (Harvey) Hamel
Ectocarpus hincksiae Harvey, 1841:40.—Bornet, 1892:246.
Giffordia hincksiae (Harvey) Hamel, 1939:xv.—Gayral, 1958:
200.—Seoane-Camba, 1965:70.—Ardre, 1970:238.
15
DisrripuTion.— Tunisia
northeastern Atlantic (Portugal,
rocco).
SPECIMENS STUDIED.—EGM /: 308, 309; /7:
306(US), 307(NHA), 310 (INSTOP).
REMARKS.—Common; found in April epiphytic
on various algae and Cymodocea nodosa.
(Tabarka, Sousse);
Spain, Mo-
Family RALFSIACEAE
Ralfsia verrucosa (Areschoug) J. Agardh
Cruoria verrucosa Areschoug, 1843:264.
Ralfsia verrucosa (Areschoug) J. Agardh, 1848:62.—Piccone,
1884:117.—Bornet, 1892:241.—Boergesen, 1926:64.—
Funk, 1927:344.—Feldmann, 1931b:210; 1961:505.—
Riedl, 1963:47.—Seoane-Camba, 1965:70.—Papenfuss,
1968:30.—Ardre, 1970:247.—Gerloff and Geissler, 1971:
744.—Giaccone et al., 1973:110.—Furnari and Scam-
macca, 1973:7.—Boudouresque and Perret, 1977:100.
DistrRiBUuTION.— Tunisia (Tabarka); northeast-
ern Atlantic (Portugal, Spain, Morocco, Canary
Islands); Mediterranean (Corsica, Italy, Sicily,
Adriatic Sea, Greece, Algeria); Red Sea.
SPECIMENS STUDIED.—EGM /: 492(NHA); /é:
1976(US).
Remarks.—Occasional; found in April grow-
ing as crust on rocks in the sublittoral zone.
Order SPHACELARIALES
Family SPHACELARIACEAE
Sphacelaria cirrosa (Roth) C. Agardh
Conferva cirrosa Roth, 1800:214.
Sphacelana cirrosa (Roth) C. Agardh, 1824:164.—Piccone,
1879:24; 1884:116.—Bornet, 1892:240.—Boergesen, 1926:
74.—Schiffner, 1926:308.—Funk, 1927:354.—Feldmann,
1931b:214; 1937:268; 1961:505.—Navarro and Uriarte,
1945:218.—Dao, 1957:168.—Riedl, 1963:49.—Seoane-
Camba, 1965:76.—Ardre, 1970:258.—Gerloff and Geis-
sler, 1971:749.—Giiven and Ostig, 1971:124.—Harotini-
dis and Tsekos, 1975:212.—Boudouresque and Perret,
1977:104.
DistripuTion.— Tunisia (Tabarka); northeast-
16 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
ern Atlantic (Portugal, Spain, Morocco, Canary
Islands); Mediterranean (Spain, France, Corsica,
Italy, Sicily, Adriatic Sea, Greece, Turkey, Al-
gerla).
SPECIMENS STUDIED.—EGM /: 515(US), 1191
(NHA).
REMARKS.—Common; found in April epiphytic
on Cystoseira sedoides.
* Sphacelaria furcigera Kuetzing
Sphacelaria furcigera Kuetzing, 1855:27.—Boergesen, 1926:
72.—Papenfuss, 1968:31.—Boudouresque and _ Perret,
1977:105.
DistripuTion.—Tunisia (Cap Serrat); north-
eastern Atlantic (Canary Islands); Mediterranean
(Corsica); Red Sea; Indian Ocean.
SPECIMEN STUDIED.—EGM 2: 1184(US).
REMARKS.—Common; found in April epiphytic
on Cystoseira.
* Sphacelaria tribuloides Meneghini
Sphacelaria tribulordes Meneghini, 1840:[2].—Boergesen, 1926:
72.—Funk, 1927:353.—Hamel, 1939:xli.—Feldmann,
1937:268.—Navarro and Uriarte, 1945:217.—Aleem,
1951:251.—Papenfuss, 1968:31.—Lipkin and _ Safriel,
1971:7.—Gerloff and Geissler, 1971:749.—Giaccone et al.,
1973, table 1v.—Harotinidis and Tsekos, 1975:213.—Bou-
douresque and Perret, 1977:106.
DistripuTion.—Tunisia (Tabarka, Hamma-
met); northeastern Atlantic (Portugal, Canary
Islands); Mediterranean (Spain, France, Corsica,
Italy, Sicily, Greece, Israel, Egypt); Red Sea;
Indian Ocean.
SPECIMENS STUDIED.—EGM /: 516-518(US);
16: 519(NHA), 520(INSTOP).
RemMARKS.—Occasional; found in April and
September epiphytic on various algae.
Family STtYPOCAULACEAE
Halopteris filicina (Grateloup) Kuetzing
Ceramium filicinum Grateloup, 1806:33.
Halopteris filicina (Grateloup) Kuetzing, 1843:292.—Bornet,
1892:239.—Petersen, 1918:8.—Funk, 1927:354.—Feld-
mann, 1931b:214; 1937:268; 1961:505.—Navarro and
Uriarte, 1945:218.—Aleem, 1951:251.—Dao, 1957:169.—
Riedl, 1963:49.—Edelstein, 1964:186.—Seoane-Camba,
1965:76.—Ardre, 1970:260.—Ben Alaya, 1970:209.—Fur-
nari and Scammacca, 1970:219.—Gerloff and Geissler,
1971:749.—Guven and Ostig, 1971:124.—Giaccone et al.,
1973, table 1v.—Harotinidis and Tsekos, 1975:212.—Bou-
douresque and Perret, 1977:103.
DistripuTion.—Tunisia (Ile Plane, mouth of
Madjerda, Sidi Bou Said); northeastern Atlantic
(Portugal, Spain, Morocco); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Israel, Algeria, Egypt).
SPECIMENS STUDIED.—EGM 8: 316, 325-330; 9:
311-315, 317-320, 331; “32 3215 322(0s)p
323(NHA), 324(INSTOP).
REMARKS.—Common; found in October and
December on rocks. Dredged from 15 to 57 m.
Halopteris scoparia (Linnaeus) Sauvageau
Conferva scoparia Linnaeus, 1758:720.
Halopteris scoparia (Linnaeus) Sauvageau, 1907:506.—Peter-
sen, 1918:8.—Boergesen, 1926:75.—Feldmann, 1931b:
214; 1937:268; 1961:505.—Hamel, 1938:263.—Nasr,
1940a:14.—Gayral, 1958:204.—Riedl, 1963:49.—Papen-
fuss, 1968:32.—Furnari and Scammacca, 1970:219.—
Ardre, 1970:261.—Ben Alaya, 1970:209.—Gerloff and
Geissler, 1971:749.—Guven and Ostig, 1971:124.—Giac-
cone et al., 1973:112.—Harotinidis and Tsekos, 1975:212.
Stypocaulon scoparum Kuetzing, 1843:293.—Bornet, 1892:
238.—Funk, 1927: 355.—Navarro and Uriarte, 1945:
219.—Seoane-Camba, 1965:77.
DistripuTion.— Tunisia (Cap Serrat, Tabarka,
Cap Zebib, Bechateur, Ras Sidi Ali El Mekki,
Bizerte, La Marsa, Sidi Bou Said, Nabeul, Ham-
mamet, Monastir, Sousse, Djerba Island, El Bi-
bane); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, France, Italy, Sicily, Adriatic Sea, Greece,
Turkey, Algeria, Libya, Egypt); Red Sea.
SPECIMENS STUDIED.—EGM /: 336-338, 365; 2:
339) 35101353, 1172) 12603 33355, 37/038 Oaeo ae
350; 5: 354, 1366, 1367; 7: 366; /2: 352, 356-358;
13: 359=364- 15° 36923174; 16: 367, 363;wi7o22
18: 340-348(US); 24: 333-335(NHA); 29:
387(INSTOP).
Remarks.—Abundant; found from February
NUMBER 10
to July and in September and October on rocks
in the sublittoral zone.
Family CLADOSTEPHACEAE
Cladostephus verticillatus (Lightfoot) Lyngbye
Conferva verticillata Lightfoot, 1777:984.
Cladostephus verticillatus (Lightfoot) Lyngbye, 1819:102.—
Fremy, 1925:28.—Boergesen, 1926:75.—Funk, 1927:
356.—Feldmann, 1931b:214; 1937:268; 1961:505.—Ha-
mel, 1938:268.—Navarro and Uriarte, 1945:219.—Ried1l,
1963:49.—Seoane-Camba, 1965:77.—Ardre, 1970:262.—
Ben Alaya, 1970:209.—Furnari and Scammacca, 1970:
218.—Gerloff and Geissler, 1971:750.—Guven and Ostig,
1971:125.—Giaccone et al., 1973:112.—Harotinidis and
Tsekos, 1975:211.
Cladostephus verticillatus J. Agardh, 1848:43.—Piccone, 1884:
117.—Bornet, 1892:239.—DeToni, 1895:455.—Gayral,
1958: 208.
DistripuTion.— Tunisia (Cap Serrat, Cap Ze-
bib, Bechateur, Raf Raf, mouth of Madjerda, La
Marsa, Sidi Bou Said, Hammamet, Nabeul,
Monastir); northeastern Atlantic (Portugal,
Spain, Morocco, Canary Islands); Mediterranean
(Spain, France, Italy, Sicily, Adriatic Sea, Greece,
Turkey, Algeria, Libya).
SPECIMENS STUDIED.—EGM 2: 1265, 1266; 3:
eee sOs1O31424- 9: 8-12, 26; 12.22: 13: 5,
6, 23; 15: 25, 29; 16: 28; 18: 1-4(US), 2029(NHA),
2031(INSTOP).
Remarks.—Abundant; found in February,
from April to July, and in September, October,
and December.
Order CUTLERIALES
Family CUTLERIACEAE
Zanardinia prototypus Nardo
Zanardima prototypus Nardo, 1841:189.—Feldmann, 1937:
268.—Aleem, 1951:251.—Dao, 1957:169.—Edelstein,
1962:213; 1964:187.—Ardre, 1970:263.—Furnari and
Scammacca, 1970:218.—Ben Alaya, 1970:209.—Gerloff
and Geissler, 1971:748.—Guven and Ostig, 1971:125.—
Giaccone et al., 1973, table 1v.—Boudouresque and Perret,
1977:109.
7)
Padina collans Montagne, 1846:33.
Zanardima collars Crouan and Crouan, 1867:168.—Bornet,
1892:231.
DistriBpuTIoN.— Tunisia (Ile Plane); northeast-
ern Atlantic (Portugal, Morocco); Mediterranean
(France, Corsica, Sicily, Greece, Turkey, Israel,
Egypt).
SPECIMEN STUDIED.—EGM 8: 545(US).
Remarks.—Occasional; found in December on
rocks. Dredged from 65 m.
Order DICTYOTALES
Family DICTYOTACEAE
Dictyopteris membranacea (Stackhouse)
Batters
Fucus membranaceus Stackhouse, 1801, pl. 13.
Dictyopteris membranacea (Stackhouse) Batters, 1902:54.—
Feldmann, 1937:268; 1961:505.—Hamel, 1938:341.—
Nasr, 1940b:15.—Aleem, 1951:251.—Dao, 1957:169.—
Edelstein, 1964:188.—Papenfuss, 1968:32.—Ardre, 1970:
267.—Furnari and Scammacca, 1970:219.—Ben Alaya,
1970:208.—Gerloff and Geissler, 1971:750.—Giaccone et
al., 1973, table 1v.—Harotinidis and Tsekos, 1975:212.—
Boudouresque and Perret, 1977:110.
Dictyopteris polypodioides Lamouroux, 1809c:19.—Boergesen,
1926:95.—Feldmann, 1931b:217.—Navarro and Uriarte,
1945:225.—Riedl, 1963:51.—Seoane-Camba, 1965:84.—
Given and Ostig, 1971:124.
Haliseris polypodioides C. Agardh, 1820:142.—Piccone, 1879:
26: 1884:120.—Muschler, 1910:468.—Schiffner, 1926:
306.
Distripution.— Tunisia (Cap Serrat, Tabarka,
Raf Raf, Ras Sidi Ali El Mekki, La Marsa,
Gammarth, Sidi Bou Said, Monastir, Djerba Is-
land); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Israel, Algeria, Egypt); Red
Sea.
SPECIMENS STUDIED.—EGM /: 182; 2: 176, 177;
7 18027175 W938" 195-197; 72> 18 189-191; 194)
MOOS WEE NHB WSS WS IGOR kee INS,
192(US); 24: 187(NHA), 188(INSTOP).
18 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Remarks.—Abundant; found throughout the
year on rocks in the sublittoral zone.
Dictyota dichotoma (Hudson) Lamouroux
Ulva dichotoma Hudson, 1762:476.
Dictyota dichotoma (Hudson) Lamouroux, 1809a:331.—Mus-
chler, 1910:301.—Fremy, 1925:28.—Boergesen, 1926:
84.—Funk, 1927:361.—Feldmann, 1931b:216; 1937:268;
1961:505.—Hamel, 1939:347.—Navarro and_ Uriarte,
1945:226.—Nasr and Aleem, 1949:270.—Dao, 1957:
169.—Gayral, 1958:218.—Riedl, 1963:51.—Edelstein,
1962:213; 1964:188.—Seoane-Camba, 1965:85.—Papen-
fuss, 1968:32.—Ardre, 1970:268.—Ben Alaya, 1970:
208.—Furnari and Scammacca, 1970:219.—Gerloff and
Geissler, 1971:750.—Guiven and Ostig, 1971:124.—Giac-
cone et al., 1973, table 1v.—Harotinidis and Tsekos, 1975:
211.—Boudouresque and Perret, 1977:111.
DistrisuTion.— Tunisia (Cap Serrat, Cap Ze-
bib, Gammarth, La Marsa, Sidi Bou Said, Na-
beul, Monastir, Sousse, Djerba Island, El Bi-
bane); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, Corsica, Italy, Sicily, Greece, Turkey, Is-
rael, Algeria, Libya, Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM 2: 118, 119, 217-
ZING NZS), WAIL. UAOTS SE AIBs Gs 23S. Zee ig
22 122285 230 peo 2230244 el SRO aaa
22052 SEN 7203204 206% 2G moa O0 202s
AVI—Ailee 22 (AUo) Ze Biss 28 Zils),
220(NHA), 221-222(INSTOP).
RemaArRKS.—Abundant; found throughout the
year on rocks in the sublittoral zone.
Dictyota linearis (C. Agardh) Greville
Zonaria linearis C. Agardh, 1820:134.
Dictyota linearis (C. Agardh) Greville, 1830:xliii.—Piccone,
1879:25; 1884:118.—Muschler, 1910:301.—Petersen,
1918:8.—Boergesen, 1926:85.—Schiffner, 1926:306.—
Funk, 1927:363.—Feldmann, 1931b:217; 1961:505.—Na-
varro and Uriarte, 1945:226.—Aleem, 1951:251.—Dao,
1957:169.—Edelstein, 1964:189.—Furnari and Scam-
macca, 1970:219.—Gerloff and Geissler, 1971:751.—Gu-
ven and Ostig, 1971:124.—Giaccone et al., 1973, table
1v.—Harotinidis and Tsekos, 1975:212.—Boudouresque
and Perret, 1977:113.
DistriBpuTIon.— Tunisia (Tabarka, Bechateur,
Bizerte, Ras Sidi Ali El Mekki, Korbous, Ham-
mamet, Monastir, Sousse, Kerkenna_ Island,
Djerba Island); northeastern Atlantic (Morocco,
Canary Islands); Mediterranean (Spain, Corsica,
Italy, Sicily, Greece, Turkey, Israel, Algeria, Li-
bya, Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM /: 249-251; 2:
1191, 11925 3: 2622695 7;265:)1 45 26352645260=
268; 16: 261; 18: 253-259; 27: 260, 270-272(Us);
24; 246-247(NHA), 248(INSTOP).
Remarks.—Abundant; found from April to
July and in September, October, and December
on rocks or entangled amongst other algae in the
sublittoral zone.
Dilophus fasciola (Roth) Howe
Fucus fasciola Roth, 1800:146.
Dictyota fasciola (Roth) Lamouroux, 1809d:14.—Muschler,
1910:301.—Guven and Ostig, 1971:124.
Dilophus fasciola (Roth) Howe, 1914:72.—Boergesen, 1926:
82.—Funk, 1955:50.—Feldmann, 1931b:217; 1937:269;
1961:505.—Hamel, 1939:351.—Dao, 1957:139.—Gayral,
1958:224.—Seoane-Camba, 1965:85.—Papenfuss, 1968:
33.—Ardre, 1970:269.—Ben Alaya, 1970:210.—Gerloff
and Geissler, 1971:751.—Lipkin and Safriel, 1971:9.—
Giaccone et al., 1973, table 11.— Boudouresque and Perret,
1977:114.
DistripuTion.—Tunisia (Bechateur, Ras Sidi
Ali El Mekki, Nabeul); northeastern Atlantic
(Portugal, Spain, Morocco, Canary Islands);
Mediterranean (France, Corsica, Italy, Sicily,
Greece, Israel, Algeria, Libya); Red Sea.
SPECIMENS STUDIED.—EGM 3: 278-280; 7: 276,
277: 13: 28V(US)3 25; 292-293 (NEA
295(INSTOP).
Remarks.—Occasional; found in June, July,
September, and December on rocks in the sublit-
toral zone.
Dilophus spiralis (Montagne) Hamel
Dictyota spiralis Montagne, 1846:29.
Dilophus spiralis (Montagne) Hamel, 1939:352.—Ardre,
1970:269.—Gerloff and Geissler, 1971:752.—Lipkin and
Safriel, 1979:9.—Harotinidis and Tsekos, 1975:212.
Dictyota ligulata Kuetzing, 1847:53.—Feldmann, 1931b:216.
Dilophus ligulatus Feldmann, 1937:269.—Nasr, 1940a:4.
NUMBER 10
DistriBuTION.— Tunisia (Bechateur, Raf Raf,
Nabeul, Monastir, Djerba Island); northeastern
Atlantic (Portugal); Mediterranean (Greece, Is-
rael, Algeria, Egypt).
SPECIMENS STUDIED.—EGM 33: 285-288; 6: 289;
15: 290; 18; 282-283(US), 284(NHA); 23:
291(INSTOP).
ReEMARKS.—Common; found from March to
May and in July, September, October, and De-
cember on rocks in the sublittoral zone.
Padina pavonica (Linnaeus) Thivy
Fucus pavonicus Linnaeus, 1753:1162.
Padina pavonica (Linnaeus) Thivy in Taylor, 1960:234.—Pa-
penfuss, 1968:34.
Padina pavoma (Linnaeus) Gaillon, 1828:371.—Piccone, 1879:
26; 1884:119.—Bornet, 1892:230.—Fremy, 1925:28.—
Boergesen, 1926:86.—Schiffner, 1926:306.—Pottier, 1929:
322.—Feldmann, 1931b:217; 1937:268; 1961:505.—Ha-
mel, 1939:341.—Nasr, 1940b:14.—Nasr and Aleem, 1949:
272.—Aleem, 1951:251.—Dao, 1957:169.—Gayral, 1958:
230.—Riedl, 1963:51.—Edelstein, 1964:188.—Seoane-
Camba, 1965:82.—Ardre, 1970:267.—Furnari and Scam-
macca, 1970:219.—Gerloff and Geissler, 1971:752.—Gu-
ven and Ostig, 1971:124.—Harotinidis and Tsekos, 1975:
DUD.
Padina pavoma (Linnaeus) Lamouroux, 1816:304.—Muschler,
1910:302.—Funk, 1927:365.—Navarro and Uriarte, 1945:
224.—Ben Alaya, 1970:208.
DisTrisuTion.— Tunisia (Cap Serrat, Cap Ze-
bib, Bechateur, Tabarka, Raf Raf, Ras Sidi Ali
El Mekki, La Marsa, Korbous, Nabeul, Ham-
mamet, Gammarth, Monastir, Djerba Island,
Kerkenna Island, Zarzis, El Bibane); northeast-
ern Atlantic (Portugal, Spain, Morocco, Canary
Islands); Mediterranean (Spain, France, Italy,
Adriatic Sea, Greece, Turkey, Israel, Algeria, Li-
bya, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 462-464; 2: 446,
461, 478; 3: 417-421; 5: 468; 6: 392, 393; 7: 391;
11: 406-408, 465, 466; /2: 467, 470, 471, 473-478;
13: 388; 14: 401-405; 15: 395-400, 414-416; /6:
394; 18: 435, 436, 438, 448, 449, 453-457; 25: 389,
390, 469; 26: 429-431, 440-442, 447, 458, 459;
27: 460; 28: 427, 428, 437, 439(US); 29: 450-
452(NHA), 472(INSTOP).
WK)
Remarks.—Abundant; found from February
to October on rocks in the sublittoral zone.
* Spatoglossum schroederi (C. Agardh)
Kuetzing
Zonana schroedern C. Agardh, 1824:265.
Spatoglossum schroederr (C. Agardh) Kuetzing, 1859:21.
DistriBuTION.— Tunisia (Djerba Island); In-
dian Ocean.
SPECIMENS STUDIED.—EGM 24:
505(NHA), 506(INSTOP).
ReEMARKS.—Rare; found in May on rocks in
the sublittoral zone.
504(US),
Taonia atomaria (Woodward) J. Agardh
Ulva atomaria Woodward, 1797:53.
Taona atomaria (Woodward) J. Agardh, 1848:101.—Bornet,
Funk, 1927:364.—Feldmann, 1931b:217; 1937:268; 1961:
505.—Hamel, 1939:337.—Aleem, 1951:251.—Gayral,
1958:232.—Riedl, 1963:51.—Seoane-Camba, 1965:82.—
Ardre, 1970:266.—Gerloff and Geissler, 1971:753.—Har-
otinidis and Tsekos, 1975:213.—Boudouresque and Per-
ret, 1977:118.
DistriBuTION.— Tunisia (Bechateur, Raf Raf,
La Marsa, Gammarth); northeastern Atlantic
(Portugal, Spain, Morocco, Canary Islands);
Mediterranean (France, Corsica, Italy, Adriatic
Sea, Greece, Algeria, Libya, Egypt).
SPECIMENS STUDIED.—EGM 33: 536; 6: 537, 538;
II: 527, 529-532; 12:'528, 539-544(US); 15: 533-
534(NHA), 535(INSTOP).
RemMARKS.—Common; found from March to
May and in July and September on rocks in the
sublittoral zone.
Zonaria tournefortii (Lamouroux) Montagne
Fucus tournefortti Lamouroux, 1805:44.
Zonaria tourneforti: (Lamouroux) Montagne, 1846:32.—Bor-
net, 1892:230.—Boergesen, 1926:92.—Feldmann, 1931b:
217; 1961:505.—Hamel, 1939:338.—Navarro and
Uriarte, 1945:224.—Gayral, 1958:225.—Furnari and
Scammacca, 1970:219.—Gerloff and Geissler, 1971:753.—
Giaccone et al., 1973, table 'v.—Boudouresque and Perret,
1977:118.
20 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Zonaria flava (Clemente) C. Agardh, 1820:140.—Piccone,
1879:26; 1884:119.—Muschler, 1910:302.—Funk, 1927:
366.
DisTRIBUTION.—Tunisia (Ile Plane, Mouth of
Madfjerda); northeastern Atlantic (Spain, Mo-
rocco, Canary Islands); Mediterranean (Spain,
Corsica, Italy, Sicily, Greece, Algeria, Libya);
Indian Ocean.
SPECIMENS STUDIED.—EGM 8; 550; 9: 551(US);
11: 546-547(NHA), 548-549(INSTOP).
REMARKS.—Occasional; found in December.
Dredged from 71 to 75 m.
Order CHORDARIALES
Family STILOPHORACEAE
Stilophora rhizodes (Turner) J. Agardh
Fucus rhizodes Turner, 1819:92.
Stilophora rhizodes (Turner) J. Agardh, 1841:6.—Piccone,
1879:25; 1884:118.—Papenfuss, 1968:38.—Gerloff and
Geissler, 1971:746.
Stilophora rhizodes (Ehrenberg) J. Agardh, 1841:6.—Fremy,
1925:28.—Schiffner, 1926:310.—Feldmann, 1937:267;
1961:505.—Nasr, 1940b:10.—Navarro and Uriarte, 1945:
215.—Riedl, 1963:53.—Guven and Ostig, 1971:125.—
Giaccone et al., 1973, table 1v.—Boudouresque and Perret,
1977:120.
DistriBuTION.— Tunisia (Djerba Island); Med-
iterranean (Spain, France, Corsica, Italy, Sicily,
Adriatic Sea, Greece, Turkey, Libya, Egypt); Red
Sea.
SPECIMENS STUDIED.—EGM 24: 521-524(US),
526(NHA); 29: 525(INSTOP).
ReMARKS.—Occasional; found in March epi-
phytic on other algae.
Family SPERMATOCHNACEAE
Spermatochnus paradoxus (Roth) Kuetzing
Conferva paradoxa Roth, 1800:172.
Spermatochnus paradoxus (Roth) Kuetzing, 1845:268.—Funk,
1955:37.—Feldmann, 1937:267; 1961:505.—Riedl, 1963:
53.—Edelstein, 1964:185.—Gerloff and Geissler, 1971:
746.—Guven and Ostig, 1971:125.
Island);
DistriBuTION.—Tunisia (Kerkenna
Mediterranean (France, Italy, Adriatic Sea,
Greece, Turkey, Israel, Algeria).
SPECIMENS STUDIED.—EGM 20: 507-512(US),
513(NHA), 514(INSTOP).
RemARKS.—Rare; found in April on rocks in
the sublittoral zone.
Family CHORDARIACEAE
Myrionema strangulans Greville
Mynonema strangulans Greville, 1827, pl. 300.—Hamel, 1935:
88.—Navarro and Uriarte, 1945:213.—Feldmann, 1961:
504.—Ardre, 1970:249.—Gerloff and Geissler, 1971:
744.— Boudouresque and Perret, 1977:120.
DistriBuTION.—Tunisia (Bechateur); north-
eastern Atlantic (Portugal); Mediterranean
(Spain, France, Corsica, Algeria, Libya).
SPECIMENS STUDIED.—EGM 3: 946-947(US),
948(NHA), 1295(INSTOP).
Remarks.—Rare; found in May endophytic in
Enteromorpha compressa.
Order SCYTOSIPHONALES
Family PUNCTARIACEAE
*Punctaria latifolia Greville
Punctaria latifolia Greville, 1830:52.—Funk, 1927:348.—Feld-
mann, 1937:267.—Riedl, 1963:54.—Giiven and Ostig,
1971:124.—Harotinidis and Tsekos, 1975:212.—Boudour-
esque and Perret, 1977:100.
DistriBuTION.— Tunisia (La Marsa); Mediter-
ranean (France, Corsica, Italy, Greece, Turkey).
SPECIMENS STUDIED.—EGM /2: 480(US),
489(NHA), 491(INSTOP).
Remarks.— Occasional; found from January to
July epiphytic on Cymodocea nodosa.
Family SCYTOSIPHONACEAE
Colpomenia sinuosa (Mertens ex Roth) Derbes
and Solier
Ulva sinuosa Mertens ex Roth, 1806:327.
Colpomenia sinuosa (Mertens ex Roth) Derbes and Solier, 1856:
NUMBER 10
11.—Bornet, 1892:249.—Boergesen, 1926:70.—Funk,
1927:352.—Feldmann, 1931b:213; 1937:267; 1961:505.—
Nasr, 1940b:12.—Navarro and Uriarte, 1945:216.—
Aleem, 1951:251.—Gayral, 1958:213.—Edelstein, 1964:
186.—Seoane-Camba, 1965:74.—Papenfuss, 1968:38.—
Ardre, 1970:273.—Furnari and Scammacca, 1970:219.—
Gerloff and Geissler, 1971:747.—Guven and Ostig, 1971:
125.—Giaccone et al., 1973, table 1v.—Harotinidis and
Tsekos, 1975:211.—Boudouresque and Perret, 1977:95.
DistrRiBuTION.— Tunisia (Cap Serrat, Cap Ze-
bib, Tabarka, Bizerte, La Marsa, Bechateur, Sidi
Bou Said, Nabeul, Monastir); northeastern At-
lantic (Portugal, Spain, Morocco, Canary Is-
lands); Mediterranean (Spain, France, Corsica,
Italy, Sicily, Adriatic Sea, Greece, Turkey, Israel,
Algeria, Libya, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 37, 1229; 2: 33-
36; 1264; 1290; 3: 41-43, 45; 4: 40; 5: 47; 12: 44,
OOo 49- 10: 38-39(US), 2027(NHA),
2028(INSTOP).
ReMARKS.—Common; found from February to
May and in July on rocks and occasionally epi-
phytic on various algae.
Scytosiphon lomentaria (Lyngbye) Endlicher
Chorda lomentaria Lyngbye, 1819:74.
Scptosiphon lomentana (Lyngbye) Endlicher, 1843:25.—Bornet,
1892:249.—DeToni and Forti, 1914:291.—Boergesen,
1926:67.—Feldmann, 1931b:213; 1937:267.—Hamel,
1937:194.—Nasr, 1940b:12.—Navarro and Uriarte, 1945:
215.—Riedl, 1963:55.—Seoane-Camba, 1965:72.—Pa-
penfuss, 1968:39.—Ardre, 1970:270.—Gerloff and Geis-
sler, 1971:747.—Guven and Ostig, 1971:125.—Lipkin and
Safriel, 1971:8.—Harotinidis and Tsekos, 1975:212.—
Boudouresque and Perret, 1977:101.
DistrisuTIon.—Tunisia (Cap Serrat, Nabeul);
northeastern Atlantic (Portugal, Spain, Morocco,
Canary Islands); Mediterranean (Spain, France,
Corsica, Italy, Adriatic Sea, Greece, Turkey, Is-
rael, Algeria, Libya, Egypt); Red Sea; Indian
Ocean.
SPECIMENS STUDIED.—EGM 2: 495-498; 5: 499,
500; 75: 501(US), 502(NHA), 503(INSTOP).
RemarKS.—Occasional; found from February
21
to April and in July on rocks in the sublittoral
zone.
Order FUCALES
Family CySTOSEIRACEAE
Cystoseira barbata (Goodenough and
Woodward) J. Agardh
Fucus barbatus Goodenough and Woodward, 1797:128.
Cystoseira barbata (Goodenough and Woodward) J. Agardh,
1842:50.—Schiffner, 1926:304.—Funk, 1927:371.—Feld-
mann, 1937:269.—Hamel, 1939:392.—Navarro and
Uriarte, 1945:228.—Riedl, 1963:55.—Ardre, 1970:317.—
Ben Alaya, 1970:200.—Gerloff and Geissler, 1971:754.—
Given and Ostig, 1971:124.—Harotinidis and Tsekos,
19752218
DistRIBUTION.—Tunisia (Bechateur, Gam-
marth, Sidi Bou Said, Korbous); northeastern
Atlantic (Portugal); Mediterranean (Spain,
France, Italy, Adriatic Sea, Greece, Turkey, Li-
bya).
SPECIMENS STUDIED.—EGM 3: 61; //: 63, 64;
13:2 wits 0-00. e244721 59> 214 (US) 292
54(NHA), 55(INSTOP).
ReEMARKS.—Common; found in March, May,
June, July, and October on rocks in the sublittoral
zone.
Cystoseira compressa (Esper) Gerloff and
Nizamuddin
Fucus compressus Esper, 1799:152.
Cystoseira compressa (Esper) Gerloff and Nizamuddin, 1975:
342.
Cystoseira fimbriata (Desfontaines) Bory, 1832:318.—Hamel,
1939:418.—Dao, 1957:169.—Gayral, 1958:260.—Seoane-
Camba, 1965:90.—Gerloff and Geissler, 1971:755.—Giac-
cone et al., 1973, table 1v—Harotinidis and Tsekos, 1975:
Pal
Cystoseira abrotanifolia J. Agardh, 1842:52.—Piccone, 1879:27;
1884:122.—Bornet, 1892:257.—Muschler, 1910:300.—
Boergesen, 1926:104.—Funk, 1927:369.—Feldmann,
1931b:221; 1937:269.— Navarro and Uriarte, 1945:230.—
Riedl, 1963:57.—Guven and Ostig, 1971:124.—Lipkin
and Safriel, 1971:15.
DistriBuTION.— Tunisia (Cap Zebib, Tabarka,
Bechateur, Bizerte, Gammarth, La Marsa, Na-
i)
ix)
beul, Monastir, Kerkenna Island, Djerba Island);
northeastern Atlantic (Portugal, Spain, Morocco,
Canary Islands); Mediterranean (Spain, France,
Corsica, Italy, Sicily).
SPECIMENS STUDIED.—EGM /: 92; 3: 102-104;
4598-995) 93=94 ee 8Os Ol Oo aallOoMmlOG aiZ596.
OT WSal 1: 19> 90-220 20022069 ((0)S) 2Z7B99=
100(NHA), 101(INSTOP).
REMARKS.—Common; found from February to
May and in July and November on rocks in the
sublittoral zone.
Cystoseira discors C. Agardh
Cystoseira discors C. Agardh, 1828:62.—Muschler, 1910:
300.—Boergesen, 1926:103.—Feldmann, 1931b:221;
1937:269; 1961:506.—Navarro and Uriarte, 1945:230.—
Riedl, 1963:57.—Seoane-Camba, 1965:91.—Gerloff and
Geissler, 1971:755.—Guven and Ostig, 1971:124.—Haro-
tinidis and Tsekos, 1975:211.
DistripuTion.— Tunisia (Raf Raf, La Marsa,
Sidi Bou Said, Kerkenna Island, Djerba Island);
northeastern Atlantic (Spain, Canary Islands);
Mediterranean (Spain, France, Italy, Adriatic
Sea, Greece, Turkey, Libya).
SPECIMENS STUDIED.—EGM 6: 71, 73-75; /2:
1D Die OS, C-GO(US), TOWIEA)s 24 16
(INSTOP).
Remarks.—Occasional; found in March, July,
September, and October on rocks in the sublit-
toral zone.
Cystoseira mediterranea Sauvageau
Cystoserra mediterranea Sauvageau, 1912:209.—Funk, 1927:
370.—Feldmann, 1937:269.—Navarro and Uriarte, 1945:
228.—Gayral, 1958:264.—Ben Alaya, 1970:208.—Gerloff
and Geissler, 1971:756.—Furnari and Scammacca, 1973:
9.
DistrisuTION.—Tunisia (Cap Zebib, Becha-
teur, La Marsa); northeastern Atlantic (Mo-
rocco); Mediterranean (Spain, France, Italy,
Greece, Sicily).
SPECIMENS STUDIED.—EGM 3: 108; 5: 107(US);
12: 109(NHA), 100(INSTOP).
Remarks.—Occasional; found in February,
July, and August on rocks in the sublittoral zone.
SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
*Cystoseira myriophylloides Sauvageau
Cystoseira myriophylloides Sauvageau, 1912:323.—Gayral,
1958:258.—Seoane-Camba, 1965:91.—Giaccone et al.,
1973:112.—Harotinidis and Tsekos, 1975:211.
DisrrisuTion.—Tunisia (Raouad, La Marsa);
northeastern Atlantic (Spain, Morocco); Medi-
terranean (Sicily, Greece).
SPECIMENS STUDIED.—EGM /0: 111(US); /2:
112(NHA), 1731(QINSTOP).
Remarks.—Occasional; found from February
to March on rocks in the sublittoral zone.
* Cystoseira sauvageauiana Hamel
Cystoseira sauvageauiana Hamel, 1939:399.
Cystoserra crinita (Desfontaines) Bory, 1832:320.—Gerloff and
Geissler, 1971:757.—Giaccone et al., 1973:112.
DistrinuTion.—Tunisia (Bizerte, Raf Raf,
Djerba Island); Mediterranean (Sicily, Greece).
SPECIMENS STUDIED.—EGM #: 119, 120; 6:
[2a=121b, 122, 123. 20 isso (OS) aamele)
(NHA), 118(INSTOP).
REMARKS.—Common; found in May, Septem-
ber, and October on rocks in the sublittoral zone.
Cystoseira schiffneri Hamel
Cystoseira schiffnerr Hamel, 1939:421.—Feldmann, 1951:107.
Cystoseira acanthophora Schiffner, 1926:305.
DistrinuTion.—Tunisia (Kerkenna Island,
Djerba Island, El Bibane).
SPECIMENS STUDIED.—EGM /9: 124; 20: 128-
132; 21: 153-156; 23° 127, 135) 1S8eAa eon
137, 146-150; 26; 141, 142) Ibl=152-5295i2 oe
133-134 (US), 143(NHA), 145(INSTOP).
Remarks.—Abundant; found from March to
July and in October on rocks in the sublittoral
ZONE.
Cystoseira sedoides (Desfontaines) C. Agardh
Fucus sedoides Desfontaines, 1799:423.
Cystosevra sedoides (Desfontaines) C. Agardh, 1820:53.—Feld-
mann, 193la:7; 1931b:219.—Hamel, 1939:394.—Giac-
cone et al., 1973:115.
NUMBER 10
DistrisuTion.— Tunisia (Cap Serrat, Cap Ze-
bib, Bechateur, Bizerte, Monastir); Mediterra-
nean (Sicily, Algeria).
SPECIMENS STUDIED.—EGM /: 158; 2: 165, 166,
168-170, 1257; 3: 167, 171-175; 5: 160-163(US);
18: 157(NHA), 164(INSTOP).
ReEMARKS.—Common; found in February,
April, May, and June on rocks in the sublittoral
zone.
Family SARGASSACEAE
Sargassum linifolium (Turner) C. Agardh
Fucus linifolius Turner, 1811:84.
Sargassum linifolium (Turner) C. Agardh, 1820:18.—Bornet,
1892:258.—_Fremy, 1925:28.—Funk, 1927:367.—Feld-
mann, 1931b:218; 1937:269.—Nasr, 1940b:15.—Navarro
and Uriarte, 1945:232.—Aleem, 1951:251.—Riedl, 1963:
59.—Guven and Ostig, 1971:124.
DistrRiBuTION.—Tunisia (Djerba Island);
northeastern Atlantic (Morocco); Mediterranean
(Spain, France, Italy, Adriatic Sea, Turkey, Al-
geria, Egypt); Red Sea.
SPECIMEN STUDIED.—EGM 24; 493(US).
RemarkKs.—Rare; found in May as drift ma-
terial.
Sargassum vulgare C. Agardh
Sargassum vulgare C. Agardh, 1820:3.—Bornet, 1892:258.—
Boergesen, 1926:106.—Feldmann, 1937:269; 1961:506.—
Navarro and Uriarte, 1945:232.—Aleem, 1951:251.—
Gayral, 1958:272.—Riedl, 1963:58.—Edelstein, 1964:
190.—Seoane-Camba, 1965:92.—Ben Alaya, 1970:209.—
Gerloff and Geissler, 1971:758.—Guven and Ostig, 1971:
124.—Giaccone et al., 1973:111.—Boudouresque and Per-
ret, 1977:128.
DistrRiBuTION.—Tunisia (Djerba Island);
northeastern Atlantic (Spain, Morocco, Canary
Islands); Mediterranean (Spain, France, Corsica,
Sicily, Adriatic Sea, Greece, Turkey, Israel,
Egypt); Indian Ocean.
SPECIMEN STUDIED.—EGM 24: 494(US).
Remarks.—Rare; found in May as drift ma-
terial.
Division CHLOROPHYTA
Class CHLOROPHYCEAE
Order ULVALES
Family MONOSTROMATACEAE
* Blidingia marginata (J. Agardh) Dangeard
Enteromorpha marginata J. Agardh, 1842:16.
Blidingia marginata (J. Agardh) Dangeard, 1958:347.—
Seoane-Camba, 1965:57.—Ardre, 1970:343.—Gerloff and
Geissler, 1971:728.
DistripuTIon.—Tunisia (Cap Serrat); north-
eastern Atlantic (Portugal, Spain); Mediterra-
nean (Greece).
SPECIMENS STUDIED.—EGM 2: 597-600(US),
601-602(NHA), 603(INSTOP).
ReEMARKS.—Rare; found in April on rocks in
the high littoral zone.
Family ULVACEAE
*Enteromorpha clathrata (Roth) Greville
Conferva clathrata Roth, 1806:175.
Enteromorpha clathrata (Roth) Greville, 1830:181.—Boergesen,
1925:10.—Ardre, 1970:345.—Gerloff and Geissler, 1971:
728.—Harotinidis and Tsekos, 1975:210.
Enteromorpha clathrata (Roth) J. Agardh, 1883:153.—Funk,
1927:312.—Hamel, 1931a:67.—Feldmann, 1937:263.—
Aleem, 1951:251.—Rayss, 1955:10.—Seoane-Camba,
1965:54.—Giiven and Ostig, 1971:121.—Boudouresque
and Perret, 1977:130.
DistrrBpuTiIon.— Tunisia (Tabarka, La Marsa,
Sidi Bou Said, El Bibane); northeastern Atlantic
(Portugal, Spain, Morocco, Canary Islands);
Mediterranean (France, Corsica, Italy, Greece,
Turkey, Israel, Libya, Egypt); Red Sea; Indian
Ocean.
SPECIMENS STUDIED.—EGM /2: 917; /3: 931,
SE Me QUO, MODs Jee QD, Qs WP GPA SPAT Pe 2d
928-929(US); 29: 919(NHA), 2291(INSTOP).
REMARKS.—Common; found from February to
May and in September and December on rocks
and epiphytic on various algae and Cymodocea
nodosa.
24 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Enteromorpha compressa (Linnaeus) Greville
Ulva compressa Linnaeus, 1755:433.
Enteromorpha compressa (Linnaeus) Greville, 1830:180.—Bor-
net, 1892:199.—Patouillard, 1897:18.—Muschler, 1910:
295.—Boergesen, 1925:12.—Fremy, 1925:28.—Funk,
1927:312.—Feldmann, 1931b:202- 1937:263.—Nasr,
1940b:4.—Navarro and Uriarte, 1945:201.—Rayss, 1955:
8.—Gayral, 1958:154.—Seoane-Camba, 1965:54.—Ben
Alaya, 1970:207.—Gerloff and Geissler, 1971:728.—Gu-
ven and Ostig, 1971:121.—Harotinidis and Tsekos, 1975:
210.—Boudouresque and Perret, 1977:130.
DistTrRinuTION.— Tunisia (Raouad); northeast-
ern Atlantic (Portugal, Spain, Morocco, Canary
Islands); Mediterranean (Spain, France, Corsica,
Italy, Greece, Turkey, Israel, Algeria, Libya,
Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 1225-1227; 2:
U3 491030933293 5, silola toilet 29) mney
73a 42939385) 9425 1906s Ounl93 ome 3 6:
17: 1965-1967; 1/8: 2013-2015, 2019-2021(US);
29; 2289(NHA), 2290(INSTOP).
RemarKs.—Abundant; found in March, Au-
gust, and September on rocks and epiphytic on
various algae and Cymodocea nodosa.
Enteromorpha flexuosa ( Roth)
J. Agardh
Conferva flexuosa Roth, 1800:188.
Enteromorpha flexuosa (Roth) J. Agardh, 1883:126.—Bornet,
1892:197.—Feldmann, 1931b:202; 1937:263.—Rayss,
1955:9.—Ardre, 1970:345.—Gerloff and Geissler, 1971:
728.
DistriBuTION.—Tunisia (Raouad, Sidi Bou
Said, Hammamet, Nabeul, Djerba Island); north-
eastern Atlantic (Morocco); Mediterranean
(France, Greece, Israel, Algeria); Red Sea; Indian
Ocean.
SPECIMENS STUDIED.—EGM /3: 943; /6: 936,
937, 939, 944(US), 1942(NHA); 24: 945(IN-
STOP),
ReEMARKS.—Common; found in March, July,
and September epiphytic on various algae and
Cymodocea nodosa.
Enteromorpha intestinalis (Linnaeus) Link
Ulva intestinalis Linnaeus, 1753:1163.
Enteromorpha intestinalis (Linnaeus) Link, 1820:5.—Bornet,
1892: 198.—Patouillard, 1897:17.—Muschler, 1910:294.—
Petersen, 1918:5.—Boergesen, 1925:13.—Fremy, 1925:
28.—Feldmann, 1937:263.—Navarro and Uriarte, 1945:
201.—Rayss, 1955:9.—Gayral, 1958:156.—Riedl, 1963:
38.—Seoane-Camba, 1965:56.—Ardre, 1970:347.—Ben
Alaya, 1970:207.—Gerloff and Geissler, 1971:728.—Gu-
ven and Ostig, 1971:121.—Furnari and Scammacca,
1973:6.—Harotinidis and Tsekos, 1975:210.—Boudour-
esque and Perret, 1977:131.
DistriBuTION.— Tunisia (Bechateur, Djerba Is-
land); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, France, Corsica, Adriatic Sea, Greece,
Turkey, Israel, Libya); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 1222-1224; 2:
1136; 3: 1337-1339; 4 13515 S335 Oso ae
1389; 70; 1523-1524; 1/2) WAS SiS aalsZ pees
1930-1933(US), 1934(NHA); 24: 194(INSTOP).
Remarks.—Abundant; found in March and
May and from July to September on rocks and
occasionally epiphytic on various algae and C)-
modocea nodosa.
Enteromorpha linza (Linnaeus) J. Agardh
Ulva linza Linnaeus, 1753:1133.
Enteromorpha linza (Linnaeus) J. Agardh, 1883:134.—Mus-
chler, 1910:294.—Schiffner, 1926:310.—Funk, 1927:
312.—Feldmann, 1937:263; 1961:504.—Nasr, 1940b:3.—
Navarro and Uriarte, 1945:201.—Rayss, 1955:10.—
Gayral, 1958:159.—Feldmann, 1931b:202; 1961:504.—
Seoane-Camba, 1965:57.—Furnari and Scammacca,
1970:217.—Gerloff and Geissler, 1971:729.—Guven and
Ostig, 1971:121.—Harotinidis and Tsekos, 1975:210.—
Boudouresque and Perret, 1977:131.
DistrRiBUTION.— Tunisia (Gammarth, La
Marsa); northeastern Atlantic (Portugal, Spain,
Morocco); Mediterranean (Spain, France, Cor-
sica, Italy, Greece, Turkey, Israel, Algeria, Libya,
Egypt).
SPECIMENS STUDIED.—EGM /; 1228; 2: 1252-
1254: 71; 950=954: 12> 1736=1 741; wieaiotes
1819; 75: 1897-1904; /8: 2022-2024(US),
2025(NHA), 2026(INSTOP).
NUMBER 10
ReMaARKS.—Common; found in May, June,
and September on rocks and occasionally epiphy-
tic on various algae and Cymodocea nodosa.
*Enteromorpha prolifera (Mueller) J. Agardh
Ulva prolifera Mueller, 1778, pl. 763.
Enteromorpha prolifera (Mueller) J. Agardh, 1883:129.—Schiff-
ner, 1926:310.—Rayss, 1955:9.—Seoane-Camba, 1965:
58.—Ardre, 1970:344.—Gerloff and Geissler, 1971:729.—
Given and Ostig, 1971:121.
DistriputTion.—Tunisia (Tabarka); northeast-
ern Atlantic (Portugal, Spain); Mediterranean
(Greece, Turkey, Israel); Indian Ocean.
SPECIMEN STUDIED.—EGM /: 920(US).
Remarks.— Rare; found in April on rocks.
*Enteromorpha ramulosa (J. E. Smith)
Carmichael in Hooker
Ulva ramulosa J. E. Smith, 1810, pl. 2137.
Enteromorpha ramulosa (J. E. Smith) Carmichael in Hooker,
1833:315.—Bornet, 1892:200.—Boergesen, 1925:11.—
Feldmann, 1937:263.—Seoane-Camba, 1965:58.—Gerloff
and Geissler, 1971:729.—Guven and Ostig, 1971:121.—
Boudouresque and Perret, 1977:131.
Distrisution.— Tunisia (Monastir); northeast-
ern Atlantic (Portugal, Spain, Morocco, Ca-
nary Islands); Mediterranean (France, Corsica,
Greece, Turkey); Indian Ocean.
SPECIMEN STUDIED.—EGM /8: 955(US).
Remarks.—Rare; found in April on rocks.
Ulva lactuca Linnaeus
Ulva lactuca Linnaeus, 1753:1163.—Boergesen, 1925:14.—
Fremy, 1925:28.—Funk, 1927:311—Feldmann, 1937:
263; 1961:504.—Navarro and Uriarte, 1945:199.—Nasr
and Aleem, 1949:276.—Aleem, 1951:251.—Rayss, 1955:
11.—Gayral, 1958:145.—Riedl, 1963:38.—Seoane-
Camba, 1965:53.—Ardre, 1970:333.—Gerloff and Geis-
sler, 1971:730.—Harotinidis and Tsekos, 1975:210.
DistrisuTion.— Tunisia (Cap Zebib, Tabarka,
Bechateur, Raf Raf, Ras Sidi Ali El Mekki, La
Marsa, Sidi Bou Said, Nabeul, Hammamet,
Monastir, Sousse); northeastern Atlantic (Portu-
gal, Spain, Morocco, Canary Islands); Mediter-
ranean (Spain, France, Italy, Adriatic Sea,
Greece, Turkey, Israel, Libya, Egypt); Indian
Ocean.
SPECIMENS STUDIED.—EGM /: 1124, 1125; 3:
1135; 6: 1141; 7: 1143; 72: 1147; 13: 1131; 15:
WS SOMO //72al 23 (US) ISO ENEIA) ae;
1126(INSTOP).
RemarkKs.—Abundant; found year round on
rocks and epiphytic on Cymodocea nodosa.
*Ulva rigida C. Agardh
Ulva ngida C. Agardh, 1822:410.—Bornet, 1892:193.—Feld-
mann, 1937:263.—Aleem, 1951:251.—Rayss, 1955:11.—
Funk, 1955:9.—Gayral, 1958:148.—Ardre, 1970:335.—
Furnari and Scammacca, 1970:217.—Gerloff and Geissler,
1971:730.—Giaccone et al., 1973:110.—Harotinidis and
Tsekos, 1975:210.—Boudourseque and Perret, 1977:132.
DistrRiBuTION.—Tunisia (Gammarth, La
Marsa, Hammamet); northeastern Atlantic (Por-
tugal, Morocco); Mediterranean (France, Cor-
sica, Italy, Sicily, Greece, Israel, Egypt); Red Sea;
Indian Ocean.
SPECIMENS STUDIED.—EGM 53: 1134; //: 1162-
G62 lA Sel 5S OO. Gsm Ulo (WS).
1167(NHA), 1168(INSTOP).
REMARKS.—Common; found from March to
May and in September epiphytic on Cymodocea
nodosa.
Order CLADOPHORALES
Family CLADOPHORACEAE
Chaetomorpha aerea (Dillwyn) Kuetzing
Conferva aerea Dillwyn, 1807:80.
Chaetomorpha aerea (Dillwyn) Kuetzing, 1849:379.—Boerge-
sen, 1925:43.—Pottier, 1929:344.—Hamel, 1931c:28.—
Feldmann, 1931b:203; 1937:264; 1961:504.—Navarro
and Uriarte, 1945:206.—Nasr and Aleem, 1949:277.—
Funk, 1955:9.—Rayss, 1955:15.—Riedl, 1963:39.—
Seoane-Camba, 1965:59.—Ardre, 1970:206.—Ben Alaya,
1970:207.—Giiven and Ostig, 1971:122.—Boudouresque
and Perret, 1977:135.
DistriBuTION.— Tunisia (Tabarka, La Marsa,
El Bibane); northeastern Atlantic (Portugal,
26 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Spain, Canary Islands); Mediterranean (Spain,
France, Corsica, Italy, Adriatic Sea, Turkey, Is-
rael, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 715; 4: 714(US);
29: 716(NHA), 2259.INSTOP).
Remarks.—Occasional; found in April and
May on rocks.
* Cladophora albida (Hudson) Kuetzing
Conferva albida Hudson, 1762:505.
Cladophora albida (Hudson) Kuetzing, 1843:267.—Feldmann,
1937:264.—Navarro and Uriarte, 1945:204.—Funk, 1955:
13.—Ardre, 1970:356.—Gerloff and Geissler, 1971:731.—
Harotinidis and Tsekos, 1975:209.—Boudouresque and
Perret, 1977:137.
DisTRIBUTION.— Tunisia (Gammarth); north-
eastern Atlantic (Portugal); Mediterranean
(Spain, France, Corsica, Italy, Greece, Libya);
Red Sea.
SPECIMENS STUDIED.—EGM //: 717-719(US),
720(NHA), 721(INSTOP).
ReMARKS.—Rare; found in May epiphytic on
Cymodocea nodosa.
*Cladophora crystallina (Roth) Kuetzing
Conferva crystallina Roth, 1797:196.
Cladophora crystallina (Roth) Kuetzing, 1843:213.—Boergesen,
1925:67.—Feldmann, 1937:264.—Navarro and Uriarte,
1945:204.—Rayss, 1955:19.—Giiven and Ostig, 1971:
121.—Boudouresque and Perret, 1977:137.
DistriBuTION.—Tunisia (Cap Serrat, Becha-
teur, La Marsa, Sidi Bou Said, Djerba Island, El
Bibane); northeasern Atlantic (Canary Islands);
Mediterranean (Spain, France, Corsica, Turkey,
Israel); Red Sea.
SPECIMENS STUDIED.—EGM 3: 725, 728, 729,
=I NZS 123, V2, eI; Wey IBD, Tos 24
730, 734, 739; 29: 726(US), 737-738(NHA),
8LO(INSTOP).
Remarks.—Abundant; found from March to
June and in August and October entangled with
other algae or epiphytic on Cymodocea nodosa.
Cladophora dalmatica Kuetzing
Cladophora dalmatica Kuetzing, 1843:268.—Hamel, 1931c:
49.—Feldmann, 1937:264.—Gerloff and Geissler, 1971:
731.—Harotinidis and Tsekos, 1975:209.—Boudouresque
and Perret, 1977:138.
DistripuTion.—Tunisia (Tabarka); Mediter-
ranean (France, Corsica, Greece, Algeria); Red
Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /:
741(NHA), 742(INSTOP).
ReMARKS.—Rare; found in April epiphytic on
various algae.
740(US),
* Cladophora lutescens Kuetzing
Cladophora lutescens Kuetzing, 1854:21.—Bornet, 1892:208.
DistriBuTION.— Tunisia (Sidi Bou Said); Med-
iterranean (France).
SPECIMEN STUDIED.—EGM /3: 743(US).
Remarks.—Rare; found in June epiphytic on
Cymodocea nodosa.
Cladophora prolifera (Roth) Kuetzing
Conferva prolifera Roth, 1797:182.
Cladophora prolifera (Roth) Kuetzing, 1845:207.—Bornet,
1892:207.—Boergesen, 1925:61.—Fremy, 1925:28.—
Funk, 1927:316.—Feldmann, 1931b:203; 1937:264; 1961:
504.—Navarro and Uriarte, 1945:202.—Rayss, 1955:
17.—Dao, 1957:166.—Gayral, 1958:168.—Riedl, 1963:
39.—Seoane-Camba, 1965:59.—Ardre, 1970:357.—Ben
Alaya, 1970:206.—Gerloff and Geissler, 1971:733.—Gu-
ven and Ostig, 1971:121.—Giaccone et al., 1973, table
1v.—Furnari and Scammacca, 1973:6.—Harotinidis and
Tsekos, 1975:209.—Boudouresque and Perret, 1977:141.
DisTriBuTION.—Tunisia (Cap Serrat, Tabarka,
Ras Sidi Ali El Mekki, Raouad, Gammarth, La
Marsa, Nabeul, Hammamet, Monastir); north-
eastern Atlantic (Portugal, Spain, Morocco, Ca-
nary Islands); Mediterranean (Spain, France,
Corsica, Italy, Sicily, Adriatic Sea, Greece, Tur-
key, Israel, Algeria); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 745, 764; 2: 744,
TAG, 747: 7; 159; 10: 162) 1633 1/1125 etaos
12° 7A8=752) 757, 758, 765, 770) 7S aaoae
769, 773-778; 15: 756(US), 761(NHA); /é
753(INSTOP).
Remarks.—Abundant; found from March to
NUMBER 10
May, from July to October, and in December
epiphytic on various algae and Cymodocea nodosa.
*Cladophora ramosissima (Draparnaud ex
Kuetzing) Kuetzing
Conferva ramosissima Draparnaud ex Kuetzing, 1845:209.
Cladophora ramosissima (Draparnaud ex Kuetzing) Kuetzing,
1849:396.—Feldmann, 1931b:203; 1937:264.—Nasr,
1940b:5.—Rayss, 1955:18.—Gayral, 1958:166.
DistripuTIoN.— Tunisia (Raouad, Gammarth,
Sidi Bou Said); northeastern Atlantic (Morocco);
Mediterranean (France, Algeria, Egypt); Red
Sea.
SPECIMENS STUDIED.—EGM /0: 781; /J/:
783(US); 13: 782(NHA), 784(INSTOP).
ReEMARKS.—Occasional; found in March, May,
and October epiphytic on various algae.
Cladophora rupestris (Linnaeus) Kuetzing
Conferva rupestris Linnaeus, 1753:721.
Cladophora rupestris (Linnaeus) Kuetzing, 1843:270.—Ardre,
1970:355.—Ben Alaya, 1970:206.—Gerloff and Geissler,
1971:734.—Giaccone et al., 1973, table 1v.—Harotinidis
and Tsekos, 1975:209.—Boudouresque and Perret, 1977:
142"
DistrisuTion.—Tunisia (Ras Sidi Al El
Mekki, Gammarth, La Marsa); northeastern At-
lantic (Portugal); Mediterranean (Corsica, Sicily,
Greece, Algeria).
SPECIMENS STUDIED.—EGM 2: 722, JI:
787(US); 1/2: 760(NHA), 785(INSTOP).
Remarks.—Occasional; found in February,
May, and September epiphytic on various algae.
Cladophora utriculosa Kuetzing
Cladophora utriculosa Kuetzing, 1843:269.—Bornet, 1892:
208.—Boergesen, 1925:65.—Schiffner, 1926:311.—Funk,
1927:316.—Feldmann, 1931b:204; 1937:264.—Nasr,
1940b:4.—Navarro and Uriarte, 1945:203.—Rayss, 1955:
18.—Seoane-Camba, 1965:60.—Ben Alaya, 1970:206.—
Gerloff and Geissler, 1971:732.—Guven and Ostig, 1971:
Bile
DistrisuTion.—Tunisia (Cap Serrat, Tabarka,
Sidi Bou Said, Gammarth, La Marsa, Nabeul,
27
Hammamet, Monastir, Sousse, Kerkenna Island,
Djerba Island, El Bibane); northeastern Atlantic
(Spain, Morocco, Canary Islands); Mediterra-
nean (Spain, France, Italy, Greece, Turkey, Israel,
Algeria, Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM /: 793-795; 2: 805;
11: 823, 830-833; 12: 807-809, 814-822, 839, 840;
13: 826-829; 15: 834-838; 1/6: 811-813, 824, 825;
17: 796; 18: 797-799; 19: 800, 801; 24: 806(US);
29: 802-803(NHA), 804(INSTOP).
Remarks.—Abundant; found from January to
August and from October to December epiphytic
on various algae.
Family ANADYOMENACEAE
Anadyomene stellata (Wulfen) C. Agardh
Ulva stellata Wulfen in Jacquin, 1786:351.
Anadyomene stellata (Wulfen) C. Agardh, 1822:400.—Mus-
chler, 1910:295.—DeToni and Forti, 1913:17; 1914:293.—
Boergesen, 1925:25.—Funk, 1927:320.—Hamel, 1931c:
18—Nasr, 1940a:2.—Navarro and Uriarte, 1945:202.-
Nasr and Aleem, 1949:256.—Rayss, 1955:13.—Dao, 1957:
167.—Edelstein, 1962:213; 1964:180.—Riedl, 1963:39.—
Gerloff and Geissler, 1971:737.—Giiven and Ostig, 1971:
122.—Giaccone et al., 1973; table 1v.—Harotinidis and
Tsekos, 1975:209.—Boudouresque and Perret, 1977:135.
DistRiBUTION.—Tunisia (Korbous, Kerkenna
Island, Djerba Island, Zarzis, E] Bibane); north-
eastern Atlantic (Canary Islands); Mediterranean
(Spain, Corsica, Italy, Sicily, Adriatic Sea,
Greece, Turkey, Israel, Libya, Egypt); Indian
Ocean.
SPECIMENS STUDIED.—EGM /¢4: 587, 588; 19:
568-574; 20: 590-594; 2/: 581-584, 586; 24: 589;
25g Wyo, BSE Aes DOs Aes Do, Ak DUO TW),
578-579(NHA), 580(INSTOP).
REMARKS.—Common; found in March, April,
July, and October on rocks.
Order SIPHONOCLADALES
Family VALONIACEAE
*Valonia macrophysa Kuetzing
Valonia macrophysa Kuetzing, 1843:307.—Boergesen, 1925:
22.—Funk, 1927:320.—Feldmann, 1937:264.—Aleem,
28 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
1951:251.—Dao, 1957:166.—Furnari and Scammacca,
1970:217.—Gerloff and Geissler, 1971:738.—Giaccone et
al., 1973, table 1v.—Harotinidis and Tsekos, 1975:210.—
Boudouresque and Perret, 1977:144.
DistTriBUTION.— Tunisia (Raouad, Korbous, El
Bibane); northeastern Atlantic (Canary Islands);
Mediterranean (France, Corsica, Italy, Sicily,
Greece, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /0; 1175, 1176;
14: 1174; 29: 1169-1171(US), 1172(NHA),
1173(INSTOP).
Remarks.—Occasional; found in March,
April, and October in rock crevices in the sublit-
toral zone.
Valonia utricularis C. Agardh
Valonia utricularis C. Agardh, 1822:431.—Piccone, 1884:112;
1879:22.—Boergesen, 1925:22.—Funk, 1927:321.—Feld-
mann, 1931b:203; 1937:264; 1961:504.—Hamel, 1931c:
14.-Nasr, 1940b:6.—Navarro and Uriarte, 1945:201.—
Nasr and Aleem, 1949:278.—Rayss, 1955:12.—Dao, 1957:
167.—Gayral, 1958:170.—Riedl, 1963:39.—Edelstein,
1964:180.—Seoane-Camba, 1965:58.—Ardre, 1970:
349.—Gerloff and Geissler, 1971:738.—Giiven and Ostig,
1971:122.—Giaccone et al., 1973, table 1v.—Boudour-
esque and Perret, 1977:143.
DistripuTion.— Tunisia (Ile Plane, La Marsa,
Nabeul, Sidi Bou Said, Kerkenna Island, El Bi-
bane); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Israel, Algeria, Libya,
Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /8: 1186; /2: 1183,
WSS 7 SF WGI S479 eles 2(WiS) 205
1177-1178(NHA), 1179-1180(INSTOP).
RemMARKS.—Common; found in April, July,
September, and December on rocks.
Family SIPHONOCLADACEAE
Cladophoropsis modonensis (Kuetzing)
Boergesen
Cladophora modonensis Kuetzing, 1849:486.
Cladophoropsis modonensis (Kuetzing) Boergesen, 1905:288.—
Hamel, 1931¢:15.—Rayss, 1955:14.—Dao, 1957:167.—
Gerloff and Geissler, 1971:737.—Giaccone et al., 1973,
table 11.—Boudouresque and Perret, 1977:142.
DistripuTion.—Tunisia (Kerkenna Island,
Djerba Island, Zarzis, El Bibane); northeastern
Atlantic (Canary Islands); Mediterranean (Cor-
sica, Sicily, Greece, Israel).
SPECIMENS STUDIED.—EGM 20: 841-843, 853,
854; 24: 846, 849, 851; 28: 844, 845; 29: 847-
848(US), 850(NHA), 852(INSTOP).
ReMARKS.—Common; found from April to
July and in October on rocks in the sublittoral
zone.
Order BRYOPSIDALES
Family BRYOPSIDACEAE
* Derbesia lamourouxii (J. Agardh) Solier
Bryopsis balbisiana var. lamourouxi J. Agardh, 1842:18.
Derbesia lamourouxi (J. Agardh) Solier, 1847:162.—Bornet,
1892:212.—Funk, 1927:333.—Feldmann, 1937:265.—
Rayss, 1955:41.—Gayral, 1958:172.—Riedl, 1963:41.—
Ardre, 1970:359.—Gerloff and Geissler, 1971:742.—Gu-
ven and Ostig, 1971:122.—Giaccone et al., 1973, table
1v.—Furnari and Scammacca, 1973:6.
DistriBpuTIoN.—Tunisia (Gammarth); north-
eastern Atlantic (Portugal, Spain, Morocco);
Mediterranean (France, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Israel); Red Sea.
SPECIMEN STUDIED.—EGM //: 913(US).
ReEMARKS.—Rare; found in April on rocks in
the sublittoral zone.
Bryopsis balbisiana Lamouroux
Bryopsis balbisiana Lamouroux, 1813:66.—Piccone, 1879:22;
1884:112.—Bornet, 1892:213.—Boergesen, 1925:98.—
Feldmann, 1937:265; 1961:504.—Rayss, 1955:26.—
Gayral, 1958:177.—Riedl, 1963:41.—Seoane-Camba,
1965:62.Gtiven and Ostig, 1971:122.—Furnari and
Scammacca, 1973:6.—Boudouresque and Perret, 1977:
146.
DistrRiBUTION.—Tunisia (La Marsa, Sidi Bou
Said, Hammamet, Sousse); northeastern Atlantic
NUMBER 10
(Portugal, Spain, Morocco, Canary Islands);
Mediterranean (France, Corsica, Adriatic Sea,
Turkey, Israel, Algeria, Sicily).
SPECIMENS STUDIED.—EGM /2: 607, 608; /3:
610; /6: 604, 606(US); 77: 605(NHA), 609 (IN-
STOP).
ReEMARKS.—Common; found in April, July,
and September on rocks in the sublittoral zone.
*Bryopsis hypnoides Lamouroux
Bryopsis hypnoides Lamouroux, 1809c:135.—Feldmann, 1937:
265.—Ardre, 1970:363.—Gerloff and Geissler, 1971:
740.—Giiven and Ostig, 1971:122.—Giaccone et al., 1973,
table 1v.—Harotinidis and Tsekos, 1975:209.
DistripuTion.—Tunisia (Kerkenna Island);
northeastern Atlantic (Portugal, Morocco); Med-
iterranean (France, Sicily, Greece, Turkey); Red
Sea; Indian Ocean.
SPECIMENS StTuDIED.—EGM 20: 612(US),
2102(NHA).
Remarks.—Rare; found in April on rocks in
the sublittoral zone.
Bryopsis muscosa Lamouroux
Bryopsis muscosa Lamouroux, 1809c:23.—Funk, 1927:328.—
Feldmann, 1937:265.—Navarro and Uriarte, 1945:207.—
Rayss, 1955:26.—Furnari and Scammacca, 1970:218.—
Ben Alaya, 1970:206.—Gerloff and Geissler, 1971:740.—
Giaccone et al., 1973, table m1.—Harotinidis and Tsekos,
1975:209.
DistripuTion.— Tunisia (Sousse); northeastern
Atlantic (Morocco); Mediterranean (Spain,
France, Corsica, Italy, Sicily, Greece, Israel).
SPECIMENS STUDIED.—EGM /7: 613-614(US),
615(NHA), 616(INSTOP).
Remarks.—Rare; found in April on rocks in
the sublittoral zone.
Bryopsis plumosa (Hudson) C. Agardh
Ulva plumosa Hudson, 1778:571.
Bryopsis plumosa (Hudson) C. Agardh, 1822:488.—Bornet,
1892:213.—Boergesen, 1925:97.—Hamel, 1931b:287.—
Feldmann, 1937:265.—Navarro and Uriarte, 1945:207.—
Aleem, 1951:251.—Rayss, 1955:26.—Gayral, 1958:180.—
29
Riedl, 1963:41.—Ardre, 1970:362.—Ben Alaya, 1970:
206.—Furnari and Scammacca, 1970:218.—Gerloff and
Geissler, 1971:740.—Guven and Ostig, 1971:122.—Haro-
tinidis and Tsekos, 1975:209.—Boudouresque and Perret,
1977:147.
DistripuTion.—Tunisia (Sidi Bou _ Said);
northeastern Atlantic (Portugal, Morocco, Ca-
nary Islands); Mediterranean (Spain, France,
Corsica, Italy, Adriatic Sea, Greece, Turkey, Is-
rael, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /2: 1608; /3: 617-
621(US); 28: 2235(NHA), 2236(INSTOP).
ReEMARKS.—Occasional; found in February and
September on rocks in the sublittoral zone.
* Pseudobryopsis myura (J. Agardh) Berthold
in Oltmanns
Bryopsis myura J. Agardh, 1842:20.
Pseudobryopsis myura (J. Agardh) Berthold in Oltmanns, 1904:
303.—Boergesen, 1925:103.—Funk, 1927:332.—Hamel,
1931b:396.—Feldmann, 1937:265.—Rayss, 1955:27.
DistripuTION.— Tunisia (Djerba Island, El Bi-
bane); northeastern Atlantic (Canary Islands);
Mediterranean (France, Italy, Israel).
SPECIMENS STUDIED.—EGM 24: 1051,1052; 29:
1053(US), 1054(NHA), 1055 (INSTOP).
RemarKs.—Occasional; found in April and
May on rocks in the sublittoral zone.
Family CAULERPACEAE
Caulerpa prolifera (Forsskal) Lamouroux
Fucus prolifer Forsskal, 1775:193.
Caulerpa prolifera (Forsskal) Lamouroux, 1809b:142.—Mus-
chler, 1910:296.—DeToni and Forti, 1913:18; 1914:293.—
Boergesen, 1925:112.—Fremy, 1925:28.—Schiffner, 1926:
311.—Funk, 1927:335.—Pottier, 1929:325.—Hamel,
1931b:420.—Nasr, 1940b:9.—Navarro and Uriarte, 1945:
208.—Nasr and Aleem, 1949:271.—Aleem, 1951:251.—
Feldmann, 1951:106.—Rayss, 1955:22.—Dao, 1957:
168.—Edelstein, 1964:182.—Seoane-Camba, 1965:66.—
Furnari and Scammacca, 1970:218.—Ardre, 1970:374.—
Gerloff and Geissler, 1971:739.—Guven and Ostig, 1971:
122.—Harotinidis and Tsekos, 1975:209.—Boudouresque
and Perret, 1977:150.
DisrripuTIon.— Tunisia (Mouth of Madjerda,
30 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Gammarth, La Marsa, Sidi Bou Said, Korbous,
Nabeul, Hammamet, Gabes, Kerkenna Island,
Zarzis, El Bibane); northeastern Atlantic (Portu-
gal, Spain, Canary Islands); Mediterranean
(Spain, Italy, France, Greece, Turkey, Israel, Li-
bya, Egypt); Red Sea.
SPECIMENS STUDIED.—EGM 9: 622, 651; //:
697-700, 713; 12: 643-647, 712; /3: 623, 642; /4:
675-679; 15: 657-659; 1/6: 661, 662; /9: 689; 20:
663-667, 686-688, 693, 694, 696, 701; 2/: 652-
656; 22: 668-674; 23: 706; 24: 648-650, 680-684,
702, 703, 708-710; 25: 660; 26: 690-692, 704-
105) 28) 7 OF AN (WS) 99S (NIETAN
696(INSTOP).
Remarks.—Abundant; found from March to
October on rocks, sometimes epiphytic on rhi-
zomes of Posidonia oceanica.
Family CODIACEAE
Codium bursa (Linnaeus) C. Agardh
Alcyonium bursa Linnaeus, 1759:1295.
Codium bursa (Linnaeus) C. Agardh, 1822:457.—Piccone,
1879:23; 1884:114.—Bornet, 1892:215.—DeToni and
Forti, 1913:19.—Petersen, 1918:6.—Fremy, 1925:18.—
Funk, 1927:324.—Feldmann, 1931b:207; 1937:265.—Ha-
mel, 1931b:413.—Navarro and Uriarte, 1945:210.—
Aleem, 1951:251.—Riedl, 1963:43.—Seoane-Camba,
1965:64.—Furnari and Scammacca, 1970:218.—Ben
Alaya, 1970:207.—Gerloff and Geissler, 1971:741.—Gu-
ven and Ostig, 1971:122.—Giaccone et al., 1973, table
1v.—Boudouresque and Perret, 1977:148.
DistriBuTION.— Tunisia (Bizerte, Gabes);
northeastern Atlantic (Morocco, Spain); Medi-
terranean (Spain, France, Corsica, Italy, Sicily,
Adriatic Sea, Greece, Turkey, Algeria, Libya,
Egypt).
SPECIMENS STUDIED.—EGM #4: 855-858(US),
859(NHA); 22: 860(INSTOP).
Remarks.—Occasional; found from May to
June as drift material.
*Codium decorticatum (Woodward) Howe
Ulva decorticata Woodward, 1797:55.
Codium decorticatum (Woodward) Howe, 1911:494.—Ardre,
1970:370.—Giaccone et al., 1973, table tv.
DistrRiBUTION.— Tunisia (Hammamet, Sousse);
northeastern Atlantic (Portugal); Mediterranean
(Sicily).
SPECIMENS STUDIED.— EGM /6: 967-971(US);
17: 861-864(NHA), 965-966 (INSTOP).
Remarks.—Occasional; found in March and
April on rocks in the sublittoral zone.
Family UDOTEACEAE
Espera mediterranea Decaisne
Espera mediterranea Decaisne, 1842:99.—Gerloff and Geissler,
1971:739.
Penicillus mediterraneus (Decaisne) Thuret in Bornet, 1892:
217.—Hamel, 1931b:403.
DistriBuTion.— Tunisia (Korbous, El Bibane);
Mediterranean (Greece).
SPECIMENS STUDIED.—EGM /¢4: 1046-1050; 29
1042-1043(US), 1044(NHA), 1045(INSTOP).
ReMARKS.—Occasional; found in April and
October on rocks in sandy bottom of the sublit-
toral zone.
Halimeda tuna (Ellis and Solander)
Lamouroux
Corallina tuna Ellis and Solander, 1786:111.
Halimeda tuna (Ellis and Solander) Lamouroux, 1812:186.—
Muschler, 1910:296.—DeToni and Forti, 1913:19; 1914:
293.—Funk, 1927:327.—Pottier, 1929:325.—Feldmann,
1937:265.—Nasr, 1940b:8.—Navarro and Uriarte, 1945:
209.—Nasr and Aleem, 1949:277.—Aleem, 1951:251.—
Rayss, 1955:29.—Dao, 1957:168.—Edelstein, 1962:213;
1964:184.—Riedl, 1963:43.—Gerloff and Geissler, 1971:
741.—Giaccone et al., 1973, table 1v.—Harotinidis and
Tsekos, 1975:210.—Boudouresque and Perret, 1977:150.
DistripuTion.—Tunisia (Cap Serrat, Cap Ze-
bib, Tabarka, Ras Sidi Ali El Mekki, Raouad,
Gammarth, La Marsa, Sidi Bou Said, Nabeul,
Hammamet, Monastir, Gabes, Kerkenna Island,
Djerba Island, El Bibane, Zarzis); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Israel, Libya, Egypt); Red
Sea; Indian Ocean.
NUMBER 10
SPECIMENS STUDIED.—EGM /: 983, 984, 1026;
2: 956-960, 975, 985-988, 1263; 5: 998; 7: 1028;
MONO = wil LOu3=1016; 72. 992-997, 1001; 73:
1029-1032; 75: 1007, 1024, 1025; 76: 1006, 1023;
18: 980-982; 20: 1008-1012; 2/: 1033-1037; 22:
1017-1022; 24: 965-967, 972, 976-979; 25: 999,
1038-1041; 26: 971, 973; 27: 970, 974; 28: 964,
968, 969, 989, 1002-1005; 29: 961—-963(US), 990-
991(NHA), 1000(INSTOP).
RemMARKS.—Abundant; found in March and
October on sandy substrate in the sublittoral
zone.
Udotea petiolata (Turra) Boergesen
Ulva petiolata Turra, 1780:68.
Udotea petiolata (Turra) Boergesen, 1925:86.—DeToni and
Forti, 1914:293.—Funk, 1955:25.—Hamel, 1931b:404.—
Feldmann, 1937:265; 1961:504.—Nasr, 1940a:3.—Na-
varro and Uriarte, 1945:208.—Aleem, 1951:251.—Rayss,
1955:28.—Dao, 1957:168.—Edelstein, 1964:183.—Ried1],
1963:41.—Ben Alaya, 1970:207.—Furnari and Scam-
macca, 1970:217.—Gerloff and Geissler, 1971:739.—Gu-
ven and Ostig, 1971:122.—Giaccone et al., 1973:110.—
Harotinidis and Tsekos, 1975:210.—Boudouresque and
Perret, 1977:153.
DistrisuTIon.—Tunisia (Cap Serrat, Cap Ze-
bib, Tabarka, Bechateur, Raf Raf, Ras Sidi Ali
El Mekki, Ile Plane, Mouth of Madjerda,
Raouad, La Marsa, Sidi Bou Said, Korbous,
Nabeul, Hammamet, Monastir, Gabes, Kerkenna
Island, Djerba Island); northeastern Atlantic
(Spain, Canary Islands); Mediterranean (Spain,
France, Corsica, Italy, Sicily, Adriatic Sea,
Greece, Turkey, Israel, Libya, Egypt).
SPECIMENS STuDIED.—EGM /: 1063-1066,
1082; 2: 1059, 1067-1074; 3: 1088; 5: 1076, 1078;
6: 1079, 112; 7: 1116; 8: 1099-1107; 9: 1108-1110;
MOMS ilo 77> 1091; 72: 1075, 1077, 1080,
1081; /3: 1083, 1084, 1120-1122; /4: 1094-1098;
Pi mNOSO WI: 76; 1092, 1093; 78: 1056-1058;
eeelOB5-1087, 1123; 22: 1090; 24: 1060;
1061(US); 25: 1117-1119(NHA); 27: 1062(IN-
STOP).
RemarKS.—Abundant; found from February
to May and in July, September, October, and
December on rocks in the sublittoral zone.
31
Order DASYCLADALES
Family DASYCLADACEAE
Acetabularia acetabulum (Linnaeus) Silva
Madrepora acetabulum Linnaeus, 1758:793.
Acetabularia acetabulum (Linnaeus) Silva, 1952:255.—Gerloff
and Geissler, 1971:742.—Boudouresque and Perret, 1977:
133.
Acetabulana mediterranea Lamouroux, 1816:249.—Boergesen,
1925:77.—Fremy, 1925:28.—Schiffner, 1926:311.—Funk,
1927:322.—Feldmann, 1931b:205; 1937:264.—Hamel,
1931c¢c:38.—Navarro and Uriarte, 1945:206.—Rayss,
1955:21.—Dao, 1957:168.—Riedl, 1963:41.—Furnari and
Scammacca, 1970:218.—Ben Alaya, 1970:208.—Guven
and Ostig, 1971:122.—Giaccone et al., 1973, table 1v.—
Harotinidis and Tsekos, 1975:209.
DistriputTion.— Tunisia (Tabarka, Bechateur,
Kerkenna Island, Djerba Island, El Bibane);
northeastern Atlantic (Canary Islands); Mediter-
ranean (Spain, France, Corsica, Italy, Sicily, Ad-
riatic Sea, Greece, Turkey, Israel, Algeria); Red
Sea.
SPECIMENS STUDIED.—EGM 3: 563; /9: 552-
Soy BO DISS AGP D2; DO, SSSA Ss Soa Ze
5644)923:0 902-424 200(US)2) 292 Sol (NEA);
567(INSTOP).
RemMARKS.—Abundant; found in March, April,
June, and July on rocks, occasionally epiphytic
on various algae and Cymodocea nodosa.
Dasycladus clavaeformis (Roth) C. Agardh
Conferva clavaeformis Roth, 1806:315.
Dasycladus clavaeformis (Roth) C. Agardh, 1828:16.—DeToni,
1895:455.—Boergesen, 1925:75.—Schiffner, 1926:311.—
Funk, 1927:322.—Hamel, 1931c:36.—Navarro and
Uriarte, 1945:206.—Rayss, 1955:20.—Riedl, 1963:39.—
Edelstein, 1964:181.—Ben Alaya, 1970:207.—Guven and
Ostig, 1971:122.
Dasycladus vermicularis (Scopoli) Krasser in Beck and
Zahlbruckner, 1898:459.—Aleem, 1951:251.—Dao, 1957:
168.—Gerloff and Geissler, 1971:741.—Giaccone et al.,
1973:112.—Harotinidis and Tsekos, 1975:210.—Boudour-
esque and Perret, 1977:134.
DistripuTion.— Tunisia (Cap Serrat, Tabarka,
Raf Raf, Ras Sidi Ali El] Mekki, Gammarth, Sidi
Bou Said, Nabeul, Kerkenna Island, Djerba Is-
32 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
land, Zarzis, El Bibane); northeastern Atlantic
(Canary Islands); Mediterranean (Spain, Corsica,
Italy, Sicily, Adriatic Sea, Greece, Turkey, Libya,
Egypt).
SPECIMENS STUDIED.—EGM /: 876, 878; 2:
872-874, 880, 887, 6: 906, 907; 7: 908; //: 910,
911; /3: 891, 912; 14: 900-904; 15: 905, 909; 12:
879; 19: 875; 23: 889; 24: 881, 886, 890; 25: 895-
899; 26: 888; 28: 885(US), 892-894(NHA); 29:
882-884(INSTOP).
Remarks.—Abundant; found from March to
July and from September to October on rocks in
the sublittoral zone.
Division RHODOPHYTA
Class RHODOPHYCEAE
Order BANGIALES
Family ERYTHROPELTIDACEAE
Erythrotrichia carnea (Dillwyn) J. Agardh
Conferva carnea Dillwyn, 1807, pl. 84.
Erythrotrichia carnea (Dillwyn) J. Agardh, 1883:15.—Boerge-
sen, 1927:5.—Feldmann, 1937:269.—Nasr, 1940b:17.—
Aleem, 1951:251.—Papenfuss, 1968:68.—Ardre, 1970:
46.—Gerloff and Geissler, 1971:759.—Giaccone et al.,
1973, table 1v.—Boudouresque and Perret, 1977:12.
DistrinuTion.— Tunisia (Tabarka, La Marsa,
Sousse); northeastern Atlantic (Portugal, Canary
Islands); Mediterranean (France, Sicily, Greece,
Italy, Egypt, Corsica); Red Sea.
SPECIMENS STUDIED.—EGM /2:
(US).
REMARKS.—Occasional; found in April epiphy-
tic on Cymodocea nodosa.
1628-1629
Family BANGIACEAE
Bangia fuscopurpurea (Dillwyn) Lyngbye
Conferva fuscopurpurea Dillwyn, 1807:54.
Bangia fuscopurpurea (Dillwyn) Lyngbye, 1819:83.—Funk,
1927:373.—Feldmann, 1937:269.—Gayral, 1958:280.—
Riedl, 1963:64.—Ardre, 1970:49.—Harotinidis and Tse-
kos, 1975:214.—Boudouresque and Perret, 1977:11.
DistriBuTION.—Tunisia (Bizerte, Raouad,
Hammamet); northeastern Atlantic (Portugal);
Mediterranean (France, Italy, Adriatic Sea,
Greece, Algeria); Indian Ocean.
SPECIMENS STUDIED.—EGM #4: 1349; /0; 1518-
1522, 1526(US); /6: 1937-1939(NHA), 1940-
1941(INSTOP).
REMARKS.—Common; found in March and
May as tufted mats on rocks in the upper littoral
zone.
Porphyra leucosticta Thuret in Le Jolis
Porphyra leucosticta Thuret in Le Jolis, 1863:100.—Bornet,
1892:262.—Boergesen, 1927:5.—Funk, 1927:374.—Feld-
mann, 1937:269.—Nasr, 1940a:5.—Navarro and Uriarte,
1945:232.—Riedl, 1963:64.—Ardre, 1970:53.—Gerloff
and Geissler, 1971:760.—Guven and Ostig, 1971:125.—
Boudouresque and Perret, 1977:12.
DistriBuTION.— Tunisia (Hammamet); north-
eastern Atlantic (Portugal, Canary Islands);
Mediterranean (Spain, France, Corsica, Adriatic
Sea, Turkey, Algeria, Egypt).
SPECIMENS STUDIED.—EGM _ /6:
(US), 1919(NHA), 1920(INSTOP).
RemMarks.—Occasional; found from March to
April on spray-covered rocks in the littoral fringe.
1915-1918
Order GONIOTRICHALES
Family GONIOTRICHACEAE
Goniotrichum alsidii (Zanardini) Howe
Banga alsidit Zanardini, 1839: 136.
Goniotrichum alsidi (Zanardini) Howe, 1914:75.—Feldmann,
1937:269; 1961:506.—Aleem, 1951:251.—Edelstein, 1964:
190.—Gerloff and Geissler, 1971:759.
Goniotrichum elegans (Chauvin) Le Jolis, 1863:103.—Boerge-
sen, 1927:10.—Ardre, 1970:44.
DisTRiBuTION.— Tunisia (Sousse); northeastern
Atlantic (Portugal, Canary Islands); Mediterra-
nean (France, Corsica, Italy, Greece, Israel, Li-
bya, Egypt); Red Sea; Indian Ocean.
NUMBER 10
SPECIMEN STUDIED.—EGM /7: 1541a(US).
RemarRKS.—Occasional; found in April epiphy-
tic on various algae.
Order ACROCHAETIALES
Family ACROCHAETIACEAE
Acrochaetium virgatulum (Harvey in Hooker)
J. Agardh
Callithamnion virgatulum Harvey in Hooker, 1833:349.
Acrochaetium virgatulum (Harvey in Hooker) J. Agardh, 1892:
48.—Hamel, 1927:45.—Feldmann, 1937:270.—Aleem,
1951:251.—Ardre, 1970:56.—Gerloff and Geissler, 1971:
760.—Boudouresque and Perrett, 1977:15.
DistriBuTION.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal, Canary Islands);
Mediterranean (Corsica, France, Greece, Egypt).
SPECIMEN STUDIED.—EGM /2: 1752(US).
Remarks.—Rare; found in April epiphytic on
Cymodocea nodosa.
*Acrochaetium codiculum Boergesen
Acrochaetium codiculum Boergesen, 1927:33.
DistripuTion.— Tunisia (Sousse); northeastern
Atlantic (Canary Islands).
SPECIMEN STUDIED.—EGM /7: 1541b(US).
RemMARKS.—Occasional; found in April epiphy-
tic on Cymodocea nodosa.
Acrochaetium savianum (Meneghini) Naegeli
Callithamnion savianum Meneghini, 1840:[3].
Acrochaetium savianum (Meneghini) Naegeli, 1861:171.—Feld-
mann, 1937:270.—Ardre, 1970:55.
DistrisuTIon.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal); Mediterranean
(France, Libya).
SPECIMEN STUDIED.—EGM /2: 2133(US).
Remarks.—Occasional; found April epiphytic
on Cymodocea nodosa.
3)
Order NEMALIALES
Family HELMINTHOCLADIACEAE
Liagora distenta (Mertens in Roth) C. Agardh
Fucus distentus Mertens in Roth, 1806:103.
Liagora distenta (Mertens in Roth) C. Agardh, 1822:394.—
Fremy, 1925:28.— Boergesen, 1927:62.—Feldmann,
1931b:227; 1937:270.—Navarro and Uriarte, 1945:234.—
Seoane-Camba, 1965:94.—Gerloff and Geissler, 1971:
761.—Giaccone et al., 1973, table 1v.— Boudouresque and
Perret, 1977:16.
DistriputTion.—Tunisia (Bechateur); north-
eastern Atlantic (Spain, Canary Islands); Medi-
terranean (Spain, France, Corsica, Sicily, Greece,
Algeria).
SPECIMENS STUDIED.—EGM 3: 1316-1321; /8:
1971(US), 1972(NHA), 2012(INSTOP).
RemarKsS.—Occasional; found in April, June,
and July on rocks in the sublittoral zone.
Liagora viscida (Forsskal) C. Agardh
Fucus viscidus Forsskal, 1775:193.
Liagora viscida (Forsskal) C. Agardh, 1822:395.—Muschler,
1910:303.—Funk, 1927:378.—Feldmann, 1931b:226;
1937:270; 1961:506.—Navarro and Uriarte, 1945:233.—
Riedl, 1963:65.—Ardre, 1970:62.—Ben Alaya, 1970:
212.—Gerloff and Geissler, 1971:761.—Giiven and Ostig,
1971:127.—Giaccone et al., 1973, table 1v.—Boudour-
esque and Perret, 1977:16.
DistripuTion.— Tunisia (Tabarka, Bechateur);
northeastern Atlantic (Portugal); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Algeria, Libya).
SPECIMENS STUDIED.—EGM /: 1211; 3: 1310-
1313(US), 1314(NHA), 1315(NSTOP).
Remarks.—Occasional; found in June and
July on rocks in the sublitoral zone.
Order CHAETANGIALES
Family CHAETANGIACEAE
*Scinaia forcellata (Turner) Bivona
Ulva forcellata Turner, 1801:300.
Scinaia forcellata (Turner) Bivona, 1822:[3].—Bornet, 1892:
34 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
265.—Boergesen, 1927:63.—Funk, 1927:378.—Feldmann,
1937:270.—Navarro and Uriarte, 1945:234.—Aleem,
1951:251.—Gayral, 1958:296.—Seoane-Camba, 1965:
94.—Ardre, 1970:63.—Furnari and Scammacca, 1970:
220.—Guven and Ostig, 1971:128.—Harotinidis and Tse-
kos, 1975:219.—Boudouresque and Perret, 1977:17.
DistriBUTION.— Tunisia (Sousse); northeastern
Atlantic (Portugal, Spain, Morocco, Canary Is-
lands); Mediterranean (Spain, Sicily, France,
Corsica, Italy, Greece, Turkey, Egypt); Indian
Ocean.
SPECIMENS STUDIED.—EGM _ /7:
(US), 1947(NHA), 1948(INSTOP).
ReMARKS.—Rare; found in April on rocks in
the sublittoral zone.
1943-1946
Order BONNEMAISONIALES
Family BONNEMAISONIACEAE
Asparagopsis armata Harvey
Asparagopsis armata Harvey, 1855:544.—Hamel, 1926:420.—
Feldmann, 1931b:227; 1937:270.—Funk, 1955:68.—
Gayral, 1958:284.—Seoane-Camba, 1965:96.—Papenfuss,
1968:73.—Ardre, 1970:142.—Giiven and Ostig, 1971:
127.—Giaccone et al., 1973, table tv.
DisTRisuTIon.—Tunisia (Cap Serrat); north-
eastern Atlantic (Portugal, Spain, Morocco);
Mediterranean (France, Italy, Sicily, Turkey, Al-
geria); Red Sea; Indian Ocean.
SPECIMEN STUDIED.—EGM 2: 1545(US).
RemaArRKS.—Rare; found in April on rocks in
the sublittoral zone.
* Bonnemaisonia asparagoides (Woodward) C.
Agardh
Fucus asparagoides Woodward, 1794:239.
Bonnemaisonia asparagoides (Woodward) C. Agardh, 1822:
197.—Funk, 1927:411.—Feldmann, 1931b:227; 1937:
270.—Navarro and Uriarte, 1945:234—Seoane-Camba,
1965:96.—Ardre, 1970:142.
DistripuTIon.—Tunisia (Tabarka, Monastir);
northeastern Atlantic (Portugal, Spain); Mediter-
ranean (Spain, France, Italy).
SPECIMENS STUDIED.—EGM /8: 2016(US),
2017(NHA), 2018(INSTOP).
RemaArKS.—Rare; found in April on rocks in
the sublittoral zone.
*“Falkenbergia rufolanosa” (Harvey) Schmitz
in Engler and Prantl
(tetrasporophyte stage of Asparagopsis armata)
Polysiphonia rufolanosa Harvey, 1855:540.
Falkenbergia rufolanosa (Harvey) Schmitz in Engler and Prantl,
1897:479.—Gayral, 1958:288.—Seoane-Camba, 1965:
97.—Ardre, 1970:142.—Furnari and Scammacca, 1970:
224.—Giiven and Ostig, 1971:127.—Boudouresque and
Perret, 1977:94.
DistripuTion.—Tunisia (Sidi Bou _ Said);
northeastern Atlantic (Portugal, Spain, Mo-
rocco); Mediterranean (Corsica, Turkey, Sicily).
SPECIMEN STUDIED.—EGM /3: 1757(US).
Remarks.—Rare; found in October on rocks
in the sublittoral zone.
“Trailliella intricata”’ Batters
(tetrasporophyte stage of Bonnemaisonia hamifera)
Trailliella intricata Batters, 1896:10.—Petersen, 1918:13.—
Boergesen, 1930:9.—Feldmann, 1931a:17.
DistripuTion.—Tunisia (Cap Serrat); north-
eastern Atlantic (Canary Islands).
SPECIMEN STUDIED.—EGM 2: 1546(US).
Remarks.—Rare; found in April epiphytic on
Cystoseira.
Order GELIDIALES
Family GELIDIACEAE
* Gelidium latifolium (Greville) Bornet and
Thuret
Gelidium corneum var. latifolium Greville, 1830:143.
Gelidium latifolium (Greville) Bornet and Thuret, 1876:58.—
Bornet, 1892:270.—Funk, 1927:70.—Feldmann, 1931b:
228: 1937:270.—Navarro and Uriarte, 1945:236.—Aleem,
1951:251.—Gayral, 1958:306.—Edelstein, 1964:191.—
Seoane-Camba, 1965:98.—Ardre, 1970:65.—Gerloff and
NUMBER 10
Geissler, 1971:762.—Guven and Ostig, 1971:127.—Giac-
cone et al., 1973, table 1v.—Boudouresque and Perret,
IQ7AEUS).
DistripuTion.—Tunisia (Cap Serrat); north-
eastern Atlantic (Portugal Spain, Morocco);
Mediterranean (Spain, France, Corsica, Italy,
Sicily, Greece, Turkey, Israel, Algeria); Red Sea.
SPECIMENS STUDIED.—EGM 2: 1197-1198(US),
1199(NHA), 1200(~INSTOP).
Remarks.—Rare; found in April on rocks in
the sublittoral zone.
*Gelidium pectinatum Montagne
Gelidium pectinatum Montagne, 1846:108.—Bornet, 1892:
271.—Boergesen, 1927:89.—Funk, 1927:381.—Navarro
and Uriarte, 1945:236.—Edelstein, 1962:213; 1964:191.—
Ardre, 1970:66.—Giaccone et al., 1973, table tv.
DistriguTiIon.—Tunisia (Cap Serrat, Cap Ze-
bib, Bechateur, La Marsa); northeastern Atlantic
(Portugal, Canary Islands); Mediterranean (Sic-
ily, Spain, Italy).
SPECIMENS STUDIED.—EGM 2: 1194, 1195; 3:
IPO oo (OS); 12; lol5(NHA), 1l6l6(diN-
STOP).
REMARKS.—Common; found in February,
April, July, and August on rocks in the sublittoral
zone.
Gelidium pusillum (Stackhouse) Le Jolis
Fucus pusillus Stackhouse, 1801:17.
Gelidium pusillum (Stackhouse) Le Jolis, 1863:139.—Bornet,
1892:268.—Boergesen, 1927:83.—Feldmann, 1931b:228;
1937:270.—Navarro and Uriarte, 1945:235.—Nasr and
Aleem, 1949:278.—Gayral, 1958:308.—Seoane-Camba,
1965:100.—Ardre, 1970:72.—Gerloff and Geissler, 1971:
762.—Boudouresque and Perret, 1977:19.
DistriBuTION.—Tunisia (Gammarth, Ham-
mamet); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, France, Corsica, Italy, Adriatic Sea,
Greece, Sicily, Turkey, Algeria, Libya, Egypt);
Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM 7: 1384: //: 1528-
1930591536; 72; 1623-1627; 13: 1756; 14 1826-
35
1830; /5: 1869; 1870; /6: 1908-1914(US); /7:
1949-1950(NHA), 2298(INSTOP).
REMARKS.—Common; found from March to
May and in September, October, and December
on rocks in the sublittoral zone.
Pterocladia capillacea (Gmelin) Bornet and
Thuret
Fucus capillaceus Gmelin, 1768:146.
Pterocladia capillacea (Gmelin) Bornet and Thuret, 1876:57.—
Bornet, 1892:272.—Boergesen, 1927:93.—Funk, 1955:
71.—Feldmann, 1931b:229; 1937:271; 1961:506.—Nasr,
1940b:20.—Navarro and Uriarte, 1945:236.—Aleem,
1951:251.—Gayral, 1958:312.—Riedl, 1963:65.—Ardre,
1970:73.—Furnari and Scammacca, 1970:221.—Gerloff
and Geissler, 1971:762.—Guven and Ostig, 1971:127.—
Lipkin and Safriel, 1971:10.
DistripuTIon.—Tunisia (Cap Zebib, Becha-
teur, La Marsa, Sousse); northeastern Atlantic
(Portugal, Morocco, Canary Islands); Mediter-
ranean (Spain, France, Italy, Adriatic Sea,
Greece, Sicily, Turkey, Israel, Algeria, Libya,
Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM 3: 2299; 5: 1360:
12: 1649-1651(US); 77: 1953-1955(NHA), 1956-
1957(INSTOP).
REMARKS.—Common; found in February and
April and from June to September on rocks in the
sublittoral zone.
Order CRYPTONEMIALES
Family PEYSSONNELIACEAE
Peyssonnelia rubra (Greville) J. Agardh
Zonaria rubra Greville, 1826:340.
Peyssonnelia rubra (Greville) J. Agardh, 1851:502.—Piccone,
1879:29; 1884:129.—Bornet, 1892:347.—Muschler, 1910:
311.—Petersen, 1918:12.—Boergesen, 1929:13.—Feld-
mann, 1931b:240; 1937:271; 1961:506.—Navarro and
Uriarte, 1945:241.—Aleem, 1951:251.—Edelstein, 1962:
213; 1964:193.—Gerloff and Geissler, 1971:763.—Guven
and Ostig, 1971:127.—Giaccone et al., 1973, table 1v.—
Boudouresque and Perret, 1977:56.
DistripuTion.— Tunisia (Cap Serrat, Cap Ze-
36 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
bib, Ile Plane, Korbous, Djerba Island); north-
eastern Atlantic (Canary Islands); Mediterranean
(Spain, France, Corsica, Sicily, Greece, Turkey,
Israel, Algeria, Libya, Egypt); Red Sea.
SPECIMENS STUDIED.—EGM /: 1204; 2: 1226-
1234, 1248) 1249) 12685 12695595; 1368 d13905
1391, 1397-1401(US); /4 1849-1850(NHA),
1851(INSTOP).
Remarks.—Abundant; found in January, Feb-
ruary, April, May, July, August, October, and
December growing as a fleshy crust on rocks.
Peyssonnelia squamaria (Gmelin) Decaisne
Fucus squamarius Gmelin, 1768:171.
Peyssonnelia squamaria (Gmelin) Decaisne, 1839: 168.—Bornet,
1892:347.—Muschler, 1910:311.—DeToni and _ Forti,
1913:6; 1914:290.—Feldmann, 1931b:240; 1937:271.—
Navarro and Uriarte, 1945:241.—Aleem, 1951:251.—
Dao, 1957:170.—Edelstein, 1962:213; 1964:193.—Riedl,
1963:67.—Ardre, 1970:76.—Ben Alaya, 1970:210.—Ger-
loff and Geissler, 1971:763.—Guven and Ostig, 1971:
127.—Giaccone et al., 1973, table 1v.—Boudouresque and
Perret, 1977:57.
DistRiBUTION.— Tunisia (Cap Serrat, Cap Ze-
bib, Tabarka, Bechateur, Raouad, mouth of
Madjerda, Gammarth, La Marsa, Sidi Bou Said,
Korbous, Nabeul, Monastir, Gabes); northeastern
Atlantic (Portugal); Mediterranean (Spain,
France, Corsica, Italy, Sicily, Adriatic Sea,
Greece, Turkey, Israel, Algeria, Libya, Egypt);
Red Sea.
SPECIMENS STUDIED.—EGM /: 1205; 2: 1222,
122353 13073 Os 1360 9468 47/6 S014 93>
1495; //: 1553, 1567-1570; /2: 1682-1684, 1686-
1688; /3: 1785-1788; /4: 1847, 1848; /5: 1886,
1887; /8: 1978(US), 1996(NHA); 22: 2131(IN-
STOP).
RemMArkKS.—Abundant; found from February
to December usually on rocks but sometimes
epiphytic on some algae; some specimens dredged
from 4 to 45 m.
Family CORALLINACEAE
*Amphiroa beauvoisii Lamouroux
Amphiroa beauvoisii Lamouroux, 1816:299.—Nasr, 1940b:
21.—Navarro and Uriarte, 1945:249.—Aleem, 1951:251.
DistripuTion.— Tunisia (La Marsa); Mediter-
ranean (Egypt).
SPECIMEN STUDIED.—EGM /2: 1173(US).
ReMArRKS.—Rare; found in October on rocks
in the sublittoral zone.
Amphiroa rigida Lamouroux
Amphiroa rigida Lamouroux, 1816:297.—Muschler, 1910:
312.—DeToni and Forti, 1914:290.—Funk, 1927:436,—
Feldmann, 1931b:242; 1937:272; 1961:507.—Navarro
and Uriarte, 1945;249.—Aleem, 1951:251.—Hamel and
Lemoine, 1953:40.—Edelstein, 1962:213; 1964:195.—
Riedl, 1963:70.—Seoane-Camba, 1965:118.—Ardre,
1970:92.—Gerloff and Geissler, 1971:764.—Guven and
Ostig, 1971:127.—Giaccone et al., 1973, table 1v.—Bou-
douresque and Perret, 1977:36.
DistripuTion.—Tunisia (Cap Serrat, Becha-
teur); northeastern Atlantic (Portugal, Spain);
Mediterranean (Spain, Corsica, Sicily, Adriatic
Sea, Greece, Turkey, Israel, Algeria, Libya,
Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM 2: 1255, 1262(US);
3: 1340(NHA), 1341(INSTOP).
Remarks.—Occasional; found from April to
June on rocks in the sublittoral zone.
Corallina elongata Ellis and Solander
Corallina elongata Ellis and Solander, 1786:121.—Boudour-
esque and Perret, 1977:37.
Corallina mediterranea Areschoug in J. Agardh, 1852:568.—
Bornet, 1892:350.—Funk, 1927:438.—Boergesen, 1929:
68.—Feldmann, 1931b:242; 1937:272, 1961:507.—Nasr,
1940b:22.—Navarro and Uriarte, 1945:247.—Nasr and
Aleem, 1949:278.—Aleem, 1951:251.—Gayral, 1958:
320.—Riedl, 1963:70.—Seoane-Camba, 1965:110.—
Ardre, 1970:94.—Furnari and Scammacca, 1970:221.—
Gerloff and Geissler, 1971:764.—Giiven and Ostig, 1971:
127.—Lipkin and Safriel, 1971:10.
DistRIBUTION.— Tunisia (Tabarka, Gammarth,
Hammamet, Sousse), northeastern Atlantic (Por-
tugal, Spain, Morocco, Canary Islands); Mediter-
ranean (Spain, France, Corsica, Italy, Adriatic
Sea, Greece, Turkey, Israel, Algeria, Egypt, Sic-
ily).
SPECIMENS STUDIED.—EGM /: 1197; /3: 1754;
NUMBER 10
16: 1907, 1921-1923(US), 1924(NHA); /7:
1963(INSTOP).
REMARKS.—Common; found in January,
March, April, June, July, and October on rocks
in the sublittoral zone.
Corallina granifera Ellis and Solander
Corallina granifera Ellis and Solander, 1786:120.—Funk, 1927:
438.—Boergesen, 1929:69.—Feldmann, 1931b:242; 1937:
272.—Navarro and Uriarte, 1945:248.—Seoane-Camba,
1965:110.—Ardre, 1970:96.—Gerloff and Geissler, 1971:
764.—Guven and Ostig, 1971:127.—Lipkin and Safriel,
1971:9.—Giaccone et al., 1973, table 1v.—Boudouresque
and Perret, 1977:39.
DistrrpuTion.—Tunisia (Tabarka, Bechateur,
Bizerte, Raouad, Gammarth, La Marsa, Sidi Bou
Said, Nabeul, Aghir, El Bibane); northeastern
Atlantic (Portugal); Mediterranean (Spain,
France, Corsica, Italy, Sicily, Greece, Turkey,
Israel, Algeria, Libya).
SPECIMENS STUDIED.—EGM /: 1194-1196; 3:
1300-1304; 4: 1343; /0: 1479-1481, 1489; //:
paemmioot sO ailoa2> 13: 1753, 1771, 1772; 15:
1877-1880; 24: 2175(US), 2176-2177(NHA); 29:
2261(INSTOP).
Remarks.—Abundant; found from March to
July and in September, October, and December
on rocks and epiphytic on various algae in the
sublittoral zone.
Corallina officinalis Linnaeus
Corallina officinalis Linnaeus, 1758:805.—Bornet, 1892:350.—
Muschler, 1910:312.—Feldmann, 1931b:242; 1937:272.—
Navarro and Uriarte, 1945:247.—Aleem, 1951:251.—
Gayral, 1958:317.—Seoane-Camba, 1965:110.—Ardre,
1970:92.—Ben Alaya, 1970:211.—Gerloff and Geissler,
1971:764.—Guven and Ostig, 1971:127.—Lipkin and Saf-
riel, 1971:10.—Giaccone et al., 1973, table 1v.—Boudour-
esque and Perret, 1977:39.
DistriBuTION.—Tunisia (Bizerte, La Marsa);
northeastern Atlantic (Portugal, Spain, Mo-
rocco); Mediterranean (Spain, France, Corsica,
Sicily, Greece, Turkey, Israel, Algeria, Libya,
Egypt); Indian Ocean.
37
SPECIMENS STUDIED.—EGM #4. 342; 5: 1355
(US), 1356(NHA); /2: 1607(INSTOP).
Remarks.—Occasional; found in May and
June and from August to September on rocks in
the sublittoral zone.
Dermatolithon pustulatum (Lamouroux) Foslie
Melobesia pustulata Lamouroux, 1816:315.
Dermatolithon pustulatum (Lamouroux) Foslie, 1899: 11.—Mus-
chler, 1910:312.—Feldmann, 1937:272.—Navarro and
Uriarte, 1945:245.—Funk, 1955:98.—Gayral, 1958:
340.—Seoane-Camba, 1965:114.—Ardre, 1970:89.—
Gerloff and Geissler, 1971: 765.—Boudouresque and Per-
ret, 1977:41.
DistriBuTION.—Tunisia (Zarzis, La Marsa);
northeastern Atlantic (Portugal, Spain, Mo-
rocco); Mediterranean (Spain, France, Corsica,
Italy, Greece, Libya); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /2: 1176-1177
(US).
RemaArRKs.—Common; found in October as a
crust on rocks and Cymodocea nodosa.
Fosliella farinosa (Lamouroux) Howe
Melobesia farinosa Lamouroux, 1816:315.—DeToni and Forti,
1913:6; 1914:290.—Schiffner, 1926:304.—Funk, 1955:
97.—Boergesen, ‘1929:65—Feldmann, 1931b:242; 1937:
272: 1961:507.—Nasr, 1940b:22.—Navarro and Uriarte,
1945:246.—Nasr and Aleem, 1949:277.—Edelstein, 1962:
214; 1964:195.—Seoane-Camba, 1965:116.—Ardre, 1970:
90.—Gerloff and Geissler, 1971:767.—Guven and Ostig,
1971:127.—Giaccone et al., 1973, table tv.
Fosliella farinosa (Lamouroux) Howe, 1920:587.—Aleem,
1951:251.—Hamel and Lemoine, 1953:102.—Riedl, 1963:
69.—Boudouresque and Perret, 1977:41.
DistripuTion.— Tunisia (Cap Serrat, ‘Tabarka,
La Marsa, Kerkenna Island, Djerba Island, El
Bibane); northeastern Atlantic (Portugal, Spain,
Canary Islands); Mediterranean (Spain, France,
Corsica, Italy, Sicily, Adriatic Sea, Greece, Tur-
key, Algeria, Libya); Red Sea; Indian Ocean.
SPECIMEN STUDIED.—EGM 2: 1190(US).
Remarks.—Occasional; found from April to
July and in September as a crust on Cymodocea
nodosa.
38 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Haliptilon squamatum (Linnaeus) Johansen,
Irvine, and Webster
Corallina squamata Linnaeus, 1767:540.
Haliptilon squamatum (Linnaeus) Johansen et al., 1973:212.—
Boudouresque and Perret, 1977:44.
Corallina squamata Ellis and Solander, 1786:117.—Bornet,
1892:351.—Gayral, 1958:320.—Ardre, 1970:96.
DistrisuTIon.— Tunisia (Cap Serrat); north-
eastern Atlantic (Portugal, Morocco); Mediter-
ranean (Corsica, Libya, Greece).
SPECIMENS STUDIED.—EGM 2:
1178(NHA), 1220(INSTOP).
Remarks.—Occasional; found in April on
1139(US),
rocks in the sublittoral zone.
Jania corniculata (Linnaeus) Lamouroux
Corallina corniculata Linnaeus, 1758:806.
Jania cornculata (Linnaeus) Lamouroux, 1812:186.—Bornet,
1892:351.—Feldman, 1937:272.—Navarro and Uriarte,
1945:248.—Seoane-Camba, 1965:112.—Ardre, 1970:
98.—Ben Alaya, 1970:211.—Boudouresque and Perret,
1977:44.
DisTRiBuTION.— Tunisia (Cap Serrat, Cap Ze-
bib); northeastern Atlantic (Portugal, Spain, Mo-
rocco); Mediterranean (Spain, France, Corsica).
SPECIMENS STUDIED.—EGM 2: 1225; 3: 1291,
1293(US), 1294(NHA); 5: 1354(INSTOP).
ReMARKS.—Common; found in February and
April on rocks.
*Jania longifurca Zanardini
Jama longifurca Zanardini, 1843:43.—Bornet, 1892:351.—
Feldmann, 1931b:242; 1937:272.—Gayral, 1958:330.—
Seoane-Camba, 1965:112.—Ardre, 1970:98.—Furnari
and Scammacca, 1973:13.—Gerloff and Geissler, 1971:
766.
DistrisuTion.—Tunisia (Cap Zebib, Becha-
teur, La Marsa); northeastern Atlantic (Portugal,
Spain, Morocco); Mediterranean (France, Al-
geria, Sicily).
SPECIMENS STUDIED.—EGM 3: 1305, 1306; 5:
LS53513'64-/ 21606. siGyAl= 6800S) alos
(NHA), 1685(INSTOP).
ReMARKS.—Common; found from January to
December on rocks in the sublittoral zone.
Jania rubens (Linnaeus) Lamouroux
Corallina rubens Linnaeus, 1767:1305.—DeToni and Forti,
1914:290.
Jania rubens (Linnaeus) Lamouroux, 1812:186.—Piccone,
1879:30; 1884:130.—Bornet, 1892:351.—Muschler, 1910:
313.—Boergesen, 1929:70.—Feldmann, 1931b:242; 1937:
272; 1961:507.—Navarro and Uriarte, 1945:248.—Nasr
and Aleem, 1949:278.—Aleem, 1951:251.—Funk, 1955:
102.—Dao, 1957:171.—Gayral, 1958:327.—Riedl, 1963:
70.—Edelstein, 1964:195.—Seoane-Camba, 1965:113.—
Ardre, 1970:97.—Ben Alaya, 1970:211.—Gerloff and
Geissler, 1971:766.—Giaccone et al., 1973, table 1v.—Bou-
douresque and Perret, 1977:45.
DistripuTion.— Tunisia (Tabarka, Gammarth,
La Marsa, Sidi Bou Said, Nabeul, Aghir, Zarzis);
northeastern Atlantic (Portugal, Spain, Morocco,
Canary Islands); Mediterranean (Spain, France,
Corsica, Italy, Sicily, Adriatic Sea, Greece, Israel,
Algeria, Libya, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 1198-1203; 3:
1292; 7/: 1565, 1566; /2: 1668-1670; /3: 1782:
15: 1868, 1885; 28: 2234(US), 2250-2251(NHA),
2253 (INSTOP).
REMARKS.—Common; found in January and
from March to December on rocks, epiphytic on
various algae and Cymodocea nodosa.
Lithophyllum incrustans Philippi
Lithophyllum incrustans Philippi, 1837:387.—DeToni and
Forti, 1914:290.—Funk, 1927:434.—Feldmann, 1931b:
240; 1937:271.—Hamel and Lemoine, 1953:48.—Gayral,
1958:335.—Riedl, 1963:69.—Seoane-Camba, 1965:113.—
Ardre, 1970:85.—Gerloff and Geissler, 1971:766.—Fur-
nari and Scammacca, 1973:13.—Boudouresque and Per-
ret, 1977:47.
DistripuTion.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal, Spain, Morocco);
Mediterranean (France, Corsica, Italy, Sicily, Ad-
riatic Sea, Greece, Algeria, Libya); Red Sea.
SPECIMEN STUDIED.—EGM 7/2; 1175(US).
Remarks.—Occasional; found in January,
March, April, October, and November as crust
on rocks in the sublittoral zone.
NUMBER 10
Family CRYPTONEMIACEAE
*Cryptonemia seminervis (C. Agardh) J.
Agardh
Sphaerococcus seminervis C. Agardh, 1822:232.
Cryptonemia seminervis (C. Agardh) J. Agardh, 1851:226.—
Bornet, 1892:341.—Gayral, 1958:353.—Seoane-Camba,
1965:117.—Ardre, 1970:101.
DisrripuTion.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal, Spain, Morocco).
SPECIMENS STUDIED.—EGM /2: 1637-1638
(US).
ReMARKS.—Occasional; found in September
on rocks in the sublittoral zone.
Family KALLYMENIACEAE
Kallymenia microphylla J. Agardh
Kallymenia microphylla J. Agardh, 1848:288.—Bornet, 1892:
278.—Funk, 1927:389.—Boergesen, 1929:75.—Feldmann,
1961:507.—Navarro and Uriarte, 1945:249.—Edelstein,
1962:215: 1964:196.—Ardre, 1970:103.—Gerloff and
Geissler, 1971:769.—Guven and Ostig, 1971:127.—Giac-
cone et al., 1973, table 1v.—Boudouresque and Perret,
1977:46.
DistriBuTION.— Tunisia (E] Attaya, Kerkenna
Island); northeastern Atlantic (Portugal, Canary
Islands); Mediterranean (Spain, Corsica, Italy,
Sicily, Greece, Turkey, Israel, Algeria).
SPECIMEN STUDIED.—EGM 20: 2100(US).
Remarks.—Rare; found in April on rocks in
the sublittoral zone.
Order GIGARTINALES
Family HYPNEACEAE
Hypnea musciformis (Wulfen in Jacquin)
Lamouroux
Fucus musciforms Wulfen in Jacquin, 1786: 154.
Hypnea musciformis (Wulfen in Jacquin) Lamouroux, 1813:
43.—Piccone, 1879:29; 1884:127.—Bornet, 1892:284.—
Muschler, 1910:305.—DeToni and Forti, 1913:11.—Funk,
1955:77.—Boergesen, 1929:84.—Feldmann, 1931b:237;
39
1937:274: 1961:507.—Navarro and Uriarte, 1945:254.—
Nasr and Aleem, 1949:278.—Gayral, 1958:385.—Riedl,
1963:73.—Seoane-Camba, 1965:124.—Ardre, 1970:
111.—Ben Alaya, 1970:210.—Gerloff and Geissler, 1971:
772.—Guven and Ostig, 1971:125.—Lipkin and Safriel,
1971:9.—Giaccone et al., 1973, table 1v.—Boudouresque
and Perret, 1977:23.
DistriBuTIon.— Tunisia (Cap Zebib, Tabarka,
Raf Raf, Raouad, Gammarth, Sidi Bou Said, La
Marsa, Nabeul, Hammamet, Monastir, Djerba
Island, E] Bibane, Bechateur, Ras Sidi Ali El
Mekki); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands);
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Israel, Algeria, Libya,
Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 1207-1210; 3:
[30831309355 1369: 62 Sis 72 1385s 102 1496;
di Moss lOv len lo74 soya 2s O89—1 7065 13:
1790) 1796; 75: 1888=1890; 76: 1925; 1é: 1997,
1998; 20: 2067, 2068; 24: 2171-2173(US); 29:
2262(NHA), 2263(INSTOP).
Remarks.—Abundant; found year round on
rocks and epiphytic on Cymodocea nodosa.
Mediterranean
Family PLOCAMIACEAE
Plocamium cartilagineum (Linnaeus) Dixon
Fucus cartilagineus Linnaeus, 1753:1161.
Plocamium cartilagineum (Linnaeus) Dixon, 1967:58.—Gerloff
and Geissler, 1971:771.—Boudouresque and Perret, 1977:
Das
Plocamium coccineum (Hudson) Lyngbye, 1819:39.—Bornet,
1892:291.—DeToni, 1895:453.—Petersen, 1918:19.—
Funk, 1955:77.—Boergesen, 1929:94.— Feldmann, 1931b:
238; 1937:273.—Navarro and Uriarte, 1945:254.—
Gayral, 1958:385.—Riedl, 1963:71.—Seoane-Camba,
1965:120.—Ardre, 1970:112.—Ben Alaya, 1970:211.—
Furnari and Scammacca, 1970:222.—Guven and Ostig,
1971:128.
DistripuTion.— Tunisia (Tabarka, Cap Zebib,
mouth of Madjerda, Gammarth, Sidi Bou Said,
La Marsa, Monastir, Sousse); northeastern Atlan-
tic (Portugal, Spain, Morocco, Canary Islands);
Mediterranean (Spain, France, Corsica, Italy,
Sicily, Turkey, Algeria, Libya); Indian Ocean.
40 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
SPECIMENS STUDIED.—EGM /: 1192, 1193; 5:
1358; 9: 1423-1431; //: 1531-1533; 72: 1653-
1667; 73: 1768-1770(US); 7/7: 1958-1962(NHA);
18: 1977(INSTOP).
Remarks.—Abundant; found from January to
July and from September to December on rocks
as well as epiphytic on various algae; some spec-
imens dredged from 15 to 57 m.
Family SPHAEROCOCCACEAE
Sphaerococcus coronopifolius (Goodenough
and Woodward) Stackhouse
Fucus coronopifolius Goodenough and Woodward, 1797:185.
Sphaerococcus coronopifolius (Goodenough and Woodward)
Stackhouse, 1809:57.—Muschler, 1910:304.—DeToni and
Forti, 1913:12.—Petersen, 1918:18.—Ardre, 1970:115.—
Gerloff and Geissler, 1971:771.
Sphaerococcus coronopifolius (Goodenough and Woodward) C.
Agardh, 1817:29.—Bornet, 1892:282.—Funk, 1955:77.—
Boergesen, 1929:80.—Feldmann, 1931b:236; 1937:273.—
Navarro and Uriarte, 1945:255.—Gayral, 1958:374.—
Riedl, 1963:72.—Seoane-Camba, 1965:122.—Guven and
Ostig, 1971:125.—Giaccone et al., 1973, table 1v.—Bou-
douresque and Perret, 1977:29.
DistriBuTION.— Tunisia (Cap Serrat, Cap Ze-
bib, Bizerte, Ile Plane, Raf Raf, mouth of Mad-
jerda, Raouad, Gammarth, Sidi Bou Said, Kor-
bous); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey).
SPECIMENS STUDIED.—EGM 2: 1130, 1276-
1280128251289 562-63 OO amlClo segs
1450;/0: 1492; //: 1555-1564(US); /3: 1780-
1781(INSTOP); /4: 1837-1841(NHA).
Remarks.—Abundant; found from February
to May and in July, September, October, and
December on rocks; some specimens dredged
from 40 to 65 m.
Family FURCELLARIACEAE
*Halarachnion ligulatum (Woodward)
Kuetzing
Ulva ligulata Woodward, 1797:54.
Halarachnion ligulatum (Woodward) Kuetzing, 1843:394.—
Bornet, 1892:345.—Funk, 1927:423.—Boergesen, 1929:
9.—Navarro and Uriarte, 1945:251.—Gerloff and Geis-
sler, 1971:771.
DistripuTion.—Tunisia (Sidi Bou _ Said);
northeastern Atlantic (Morocco, Canary Islands);
Mediterranean (Spain, Italy, Greece).
SPECIMEN STUDIED.—EGM /3: 1809(US).
ReEmMARKS.—Rare; found in October on rocks
in the sublittoral zone.
Family GRACILARIACEAE
Gracilaria armata (C. Agardh) J. Agardh
Sphaerococcus armatus C. Agardh, 1827:645.
Gracilaria armata (C. Agardh) J. Agardh, 1847:15.—Bornet,
1892:283.—DeToni, 1895:453.—Schiffner, 1926:302.—
Funk, 1955:79.—Boergesen, 1929:82.—Feldmann, 1931b:
237; 1937:273.—Nasr and Aleem, 1949:276.—Gerloff and
Geissler, 1971:770.
DistriBuTION.—Tunisia (La Marsa); north-
eastern Atlantic (Canary Islands); Mediterranean
(France, Italy, Algeria, Greece, Libya, Egypt).
SPECIMENS STUDIED.—EGM /2: 1610-1613
(US), 1614(NHA), 1622(INSTOP).
Remarks.—Occasional; found in April, May,
and September on rocks in the sublittoral zone.
Gracilaria arcuata Zanardini
Gracilana arcuata Zanardini, 1858:265.—Feldmann, 1931la:
14; 1951:107.
DistriBuTION.— Tunisia (La Marsa); Mediter-
ranean (Egypt); Red Sea; Indian Ocean.
SPECIMEN STUDIED.—EGM /2: 1611(US).
Remarks.—Rare; found in May growing on
rocks in the sublittoral zone.
*Gracilaria cervicornis (Turner) J. Agardh
Fucus cervicornis Turner, 1809:131.
Gracilaria cervicornis (Turner) J. Agardh, 1852:504.—Gayral,
1958:364.
DistripuTion.—Tunisia (Raf Raf, Ras Sidi Ali
El] Mekki, La Marsa); northeastern Atlantic (Mo-
rocco); Indian Ocean.
NUMBER 10
SPECIMENS STUDIED.—EGM 6: 1378, 1379; 7:
Mmae3 72) 1715(US), 1716CNHA), 1717(1N-
Si©P):
REMARKS.—Occasional; found from September
to December on rocks in the sublittoral zone.
Gracilaria verrucosa (Hudson) Papenfuss
Fucus verrucosus Hudson, 1762:470.
Gracilaria verrucosa (Hudson) Papenfuss, 1950:195.—Ardre,
1970:115.—Gerloff and Geissler, 1971:771.—Guven and
Ostig, 1971:127.—Furnari and Scammacca, 1973:10.
Gracilaria confervoides (Linnaeus) Greville, 1830:liv.—Bornet,
1892:282.—Schiffner, 1926:302.—Funk, 1955:79.—Boer-
gesen, 1929:81.—Feldmann, 1931b:237; 1937:273.—Nasr,
1940b:23.—Navarro and Uriarte, 1945:255.—Nasr and
Aleem, 1949:276.—Gayral, 1958:358.—Edelstein, 1962:
213; 1964:197.—Riedl, 1963:71.—Guven and Ostig, 1971:
W277,
DistrispuTion.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal, Morocco, Canary Is-
lands); Mediterranean (Spain, France, Italy, Ad-
riatic Sea, Greece, Turkey, Israel, Algeria, Sicily,
Libya, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /2: 1713(US),
1714(NHA).
RemMarks.—Occasional; found in January,
April, May, and July on rocks in the sublittoral
zone.
Family PHYLLOPHORACEAE
*Gymnogongrus griffithsiae (Turner) Martius
Fucus griffithsiae Turner, 1808:80.
Gymnogongrus griffithsiae (Turner) Martius, 1833:27.—Bornet,
1892:276.—DeToni and Forti, 1913:12.—Boergesen,
1929:74.— Feldmann, 1931b:235; 1937:274.—Nasr and
Aleem, 1949:278.—Funk, 1955:78.—Gayral, 1958:398.—
Seoane-Camba, 1965:125.—Gerloff and Geissler, 1971:
772.—Boudouresque and Perret, 1977:22.
DistriBuTION.—Tunisia (La Marsa, Hamma-
met); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(France, Corsica, Italy, Greece, Algeria, Libya,
Egypt).
41
SPECIMENS STUDIED.—EGM /2: 1718-1720
(US), 1721(NHA); /6: 19270INSTOP).
REMARKS.—Common; found in February,
March, June, July, November, and December
epiphytic on various algae.
Phyllophora nervosa (de Candolle) Greville in
J. Agardh
Fucus nervosus de Candolle, 1805:29.
Phyllophora nervosa (de Candolle) Greville in J. Agardh, 1842:
94.—Bornet, 1892:274.—Muschler, 1910:304.—Funk,
1927:386.—Feldmann, 1931b:231; 1937:274.—Navarro
and Uriarte, 1945:256.—Nasr and Aleem, 1949:273.—
Dao, 1957:171.—Riedl, 1963:72.—Ben Alaya, 1970:
Geissler, 1971:773.—Guven and Ostig, 1971:125.—Bou-
douresque and Perret, 1977:24.
DistriBUTION.— Tunisia (Cap Serrat, Ile Plane,
mouth of Madjerda, Korbous); Mediterranean
(Spain, France, Corsica, Adriatic Sea, Greece,
Turkey, Algeria, Libya, Sicily, Egypt).
SPECIMENS STUDIED.—EGM 2: 1149-1156,
1183; 8: 1395, 1396, 1402-1405, 1420; 9: 1454-
1467(US); 74: 1843-1844(NHA), 1845-1846 (IN-
SOP):
REMARKS.—Common; found in April, October,
and December on rocks; some specimens dredged
from 65 m.
*Phyllophora pseudoceranoides (Gmelin)
Newroth and A.R.A. Taylor
Fucus pseudoceranoides Gmelin, 1768:119.
Phyllophora pseudoceranoides (Gmelin) Newroth and A.R.A.
Taylor, 1971:95.
Phyllophora membranifolia (Goodenough and Woodward) J.
Agardh, 1842:93.—Ardre, 1970:118.—Gerloff and Geis-
sler, 1971:773.
DistrripuTion.—Tunisia (Ile Plane, mouth of
Madjerda, Korbous); northeastern Atlantic (Por-
tugal); Mediterranean (Greece).
SPECIMENS STUDIED.—EGM 9: 1452-1453(US);
14: 1451(NHA), 1842(INSTOP).
REMARKS.—Common; found from January to
42 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
July and from October to December on rocks in
the sublittoral zone.
Family GIGARTINACEAE
Gigartina acicularis (Wulfen) Lamouroux
Fucus acicularis Wulfen, 1803:63.
Gigartina acicularis (Wulfen) Lamouroux, 1813:49.—Bornet,
1892:273.—Funk, 1927:385.—Boergesen, 1929:73.—Feld-
mann, 1931b:231; 1937:274.—Nasr, 1940b:25.—Navarro
and Uriarte, 1945:257.—Aleem, 1951:251.—Gayral, 1958:
408.—Riedl, 1963:73.—Seoane-Camba, 1965:117.—
Ardre, 1970:126.—Ben Alaya, 1970:211.—Gerloff and
Geissler, 1971:773.—Guven and Ostig, 1971:127.—Giac-
cone et al., 1973, table 1v.—Boudouresque and Perret,
1977:21.
DistriBuTION.—Tunisia (Cap Serrat, La
Marsa, Sidi Bou Said); northeastern Atlantic
(Portugal, Spain, Morocco, Canary Islands);
Mediterranean (Spain, France, Corsica, Italy,
Sicily, Adriatic Sea, Greece, Turkey, Egypt); In-
dian Ocean.
SPECIMENS STUDIED.—EGM 72:
1621(NHA); /3: 1755(INSTOP).
REMARKS.—Common; found from January to
July and from October to December on rocks in
the sublittoral zone.
1617(US),
Family RISSOELLACEAE
Rissoella verruculosa (Bertoloni) J. Agardh
Fucus verruculosus Bertoloni, 1819:291.
Rissoella verruculosa (Bertoloni) J. Agardh, 1848:241.—Pic-
cone, 1879:28; 1884:125.—DeToni, 1895:452.—Funk,
1927:390.—Feldmann, 1931b:235; 1937:90; 1961:507—
Navarro and Uriarte, 1945:253.—Furnari and Scam-
DistriBuTIon.—Tunisia (Cap Serrat, Becha-
teur); Mediterranean (Spain, France, Corsica, It-
aly, Algeria, Sicily, Libya).
SPECIMENS STUDIED.—EGM 2: 1208-1215(US),
1256(NHA); 3: 1298 (INSTOP).
RemMARKS.—Common; found in April and July
on rocks in the sublittoral zone.
Order RHODYMENIALES
Family RHODYMENIACEAE
*Chrysymenia ventricosa (Lamouroux)
J. Agardh
Dumontia ventricosa Lamouroux, 1813:45.
Chrysymenia ventricosa (Lamouroux) J. Agardh, 1876:322.—
Bornet, 1892:288.—Funk, 1927:399.—Feldmann, 1937:
274.—Navarro and Uriarte, 1945:258.—Edelstein, 1964:
198.—Papenfuss, 1968:91.—Gerloff and Geissler, 1971:
774.—Giaccone et al., 1973, table 1v.—Boudouresque and
Perret, 1977:31.
DistripuTion.—Tunisia (Djerba Island) Med-
iterranean (Spain, France, Corsica, Italy, Sicily,
Greece, Israel, Egypt).
SPECIMENS STUDIED.—EGM 24: 2174(US),
2148(NHA).
ReMARKS.—Rare; found in May on rocks in
the sublittoral zone.
*Rhodymenia pseudopalmata (Lamouroux)
Silva
Fucus pseudopalmatus Lamouroux, 1805:29.
Rhodymenia pseudopalmata (Lamouroux) Silva, 1952:265.—
Ardre, 1970:132.—Gerloff and Geissler, 1971:774.
Rhodymenia palmetta (Esper) Greville, 1830:xlviii.—Piccone,
1879:28; 1884:126.—Funk, 1927:397.—Feldmann, 1931b:
237.—Gayral, 1958:410—Giiven and Ostig, 1971:126.
DistrisuTion.— Tunisia (Cap Zebib, Ile Plane,
mouth of Madjerda, La Marsa, Sidi Bou Said);
northeastern Atlantic (Portugal, Morocco); Med-
iterranean (Italy, Greece, Turkey, Algeria).
SPECIMENS STUDIED.—EGM 7/2: 1632(US),
1636(NHA), 1761(INSTOP).
Remarks.—Occasional; found from January to
December on rocks in the sublittoral zone.
Family CHAMPIACEAE
Champia parvula (C. Agardh) Harvey
Chondna parvula C. Agardh, 1824:207.
Champia parvula (C. Agardh) Harvey, 1953:76.—Bornet,
1892:290.—Funk, 1927:405.—Boergesen, 1929:92.—
NUMBER 10
Feldmann, 1931b:238; 1937:274: 1961:507.—Navarro
and Uriarte, 1945:262.—Aleem, 1951:251.—Gayral, 1958:
420.—Seoane-Camba, 1965:128.—Ardre, 1970:137.—
Gerloff and Geissler, 1971:774.—Giaccone et al., 1973,
table 1v.—Boudouresque and Perret, 1977:31.
DistripuTion.—Tunisia (Cap Serrat, Djerba
Island, El Bibane); northeastern Atlantic (Por-
tugal, Spain, Morocco, Canary Islands); Mediter-
ranean (Spain, France, Corsica, Italy, Sicily,
Greece, Algeria, Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM 2: 1235(US); 29:
2265(NHA), 2268(INSTOP).
ReEMARKS.—Common; found from April to
May epiphytic on various algae.
Chylocladia verticillata (Lightfoot) Bliding
Fucus verticillatus Lightfoot, 1777:962.
Chylocladia verticillata (Lightfoot) Bliding, 1928:69.—Seoane-
Camba, 1965:128.—Ardre, 1970:138.—Gerloff and Geis-
sler, 1971:775.—Boudouresque and Perret, 1977:31.
Chylocladia kaliformis (Goodenough and Woodward) Hooker,
1833:397.—Bornet, 1892:291.—Petersen, 1918:19.—
Funk, 1955:87.—Boergesen, 1929:93.—Feldmann, 1931b:
238: 1937:275.—Edelstein, 1962:213; 1964:199.—Giac-
cone et al., 1973, table rv.
Gastroclonium kaliforme (Goodenough and Woodward) Ardis-
sone, 1883:322.—Navarro and Uriarte, 1945:261.
DistripuTion.—Tunisia (Kerkenna Island,
Djerba Island, El Bibane); northeastern Atlantic
(Portugal, Spain, Morocco, Canary Islands);
Mediterranean (Spain, France, Corsica, Italy,
Sicily, Greece, Israel, Algeria).
SPECIMENS STUDIED.—EGM /9: 2034-2046; 20:
2095-2099" 2101; 24 2154-2158(US); 29:
2255(NHA), 2256(INSTOP).
ReMaARKS.—Common; found from March to
April on rocks and epiphytic on various algae.
Gastroclonium clavatum (Roth) Ardissone
Conferva clavata Roth, 1797:160.
Gastroclonium clavatum (Roth) Ardissone, 1883:322.—DeToni
and Forti, 1913:11.—Feldman, 1937:275; 1961:507.—Na-
varro and Uriarte, 1945:261.—Funk, 1955:88.—Seoane-
Camba, 1965:130.—Gerloff and Geissler, 1971:775.—
Boudouresque and Perret, 1977:32.
Chylocladia mediterranea J. Agardh, 1842:112.
Lomentaria mediterranea Endlicher, 1843:43.
43
DistripuTion.—Tunisia (Nabeul, Monastir);
northeastern Atlantic (Spain); Mediterranean
(Spain, France, Corisca, Greece, Libya).
SPECIMENS STUDIED.—EGM /5: 1871-1874
(US), 1875(NHA), 1970—.NSTOP).
RemarKS.—Occasional; found from April to
March on rocks in the sublittoral zone.
Family LOMENTARIACEAE
Lomentaria articulata (Hudson) Lyngbye
Ulva articulata Hudson, 1778:569.
Lomentaria articulata (Hudson) Lyngbye, 1819:101.—Bornet,
1892:289.—Boergesen, 1929:90.—Feldmann, 1937:274.—
Navarro and Uriarte, 1945:260.—Gayral, 1958:418.—Ben
Alaya, 1970:211.—Furnari and Scammacca, 1970:223.—
Gerloff and Geissler, 1971:775.—Boudouresque and Per-
Ket M33:
DistriputTion.— Tunisia (Hammamet); north-
eastern Atlantic (Spain, Morocco, Canary Is-
lands); Mediterranean (Spain, France, Sicily,
Corsica, Italy, Greece).
SPECIMEN STUDIED.—EGM /6: 1926(US).
ReMARKS.—Rare; found in March on rocks in
the sublittoral zone.
Order CERAMIALES
Family CERAMIACEAE
*Antithamnion cruciatum (C. Agardh) Naegeli
Callithamnion cruciatum C. Agardh, 1824:160.
Antithamnion cruciatum (C. Agardh) Naegeli, 1847:200.—Funk,
1955:110.—Feldmann, 1931b:247.—Riedl, 1963:75.—
Ardre, 1970:145.—Gerloff and Geissler, 1971:776.—Gu-
ven and Ostig, 1971:126.—Giaccone et al., 1973, table
tv.—Boudouresque and Perret, 1977:33.
DistripuTion.—Tunisia (Cap Serrat); north-
eastern Atlantic (Portugal, Canary Islands);
Mediterranean (France, Corsica, Italy, Sicily, Ad-
riatic Sea, Greece, Turkey, Algeria).
SPECIMENS STUDIED.—EGM 2: 1144-1145(US),
1146(NHA), 1147(QNSTOP).
44 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
ReMARKsS.—Occasional; found in April epiphy-
tic on various algae.
*Callithamnion byssoides Arnott in Hooker
Callithamnion byssordes Arnott in Hooker, 1833:342.—Boerge-
sen, 1930:42.—Feldmann, 1937:275.—Papenfuss, 1968:
92.
DistriputTion.— Tunisia (Monastir); northeast-
ern Atlantic (Canary Islands); Mediterranean
(France); Red Sea.
SPECIMEN STUDIED.—EGM /8: 2011(US).
ReMARKS.—Rare; found in April on rocks in
the sublittoral zone.
Callithamnion granulatum (Ducluzeau) C.
Agardh
Ceramium granulatum Ducluzeau, 1805:72.
Callithamnion granulatum (Ducluzeau) C. Agardh, 1828:177.—
DeToni, 1895:454.—Funk, 1955:134.—Feldmann, 1931b:
247.—Navarro and Uriarte, 1945:265.—Gayral, 1958:
438.—Ardre, 1970:176.—Gerloff and Geissler, 1971:
776.—Giiven and Ostig, 1971:126.—Boudouresque and
Perret, 1977:64.
DistrisuTion.—Tunisia (Cap Serrat, Tabarka,
Bechateur); northeastern Atlantic (Portugal, Mo-
rocco); Mediterranean (Spain, Corsica, Italy,
Greece, Turkey, Algeria, Libya).
SPECIMENS STUDIED.—EGM /: 2220; 2: 1132,
1133, 1244-1246(US), 1247(NHA); 3: 1336(IN-
STOR):
ReEMARKS.—Common; found in April and July
epiphytic on various algae.
Callithamnion tetragonum (Withering) C.
Agardh
Conferva tetragona Withering, 1796:405.
Callithamnion tetragonum (Withering) C. Agardh, 1828:176.—
Boergesen, 1930:46.—Feldmann, 1931b:247; 1937:275;
1961:507.—Funk, 1955:133.—Seoane-Camba, 1965:140.
—Ardre, 1970:177.
DistriBuTion.—Tunisia (Gammarth); north-
eastern Atlantic (Portugal, Spain, Canary Is-
lands); Mediterranean (France, Italy, Algeria).
SPECIMEN STUDIED.—EGM //: 1605(US).
RemarkKs.—Rare; found in May on rocks.
Ceramium ciliatum (Ellis) Ducluzeau
Conferva ciliata Ellis, 1768:425.
Ceramium ciliatum (Ellis) Ducluzeau, 1805:64.—DeToni and
Forti, 1913:7; 1914:290.—Schiffmer, 1926:301.—Funk,
1955:118.—Boergesen, 1930:65.—Nasr, 1940b:26.—Na-
varro and Uriarte, 1945:268.—Nasr and Aleem, 1949:
276.—Gayral, 1958:430.—Seoane-Camba, 1965:132.—
Furnari and Scammacca, 1970:223.—Gerloff and Geissler,
1971:76.—Guven and Ostig, 1971:126.—Boudouresque
and Perret, 1977:65.
DisTrRiBUTION.—Tunisia (Cap Serrat, Raouad,
Gammarth, Monastir); northeastern Atlantic
(Portugal, Spain, Morocco, Canary Islands);
Mediterranean (Spain, Corsica, Italy, Greece, Sic-
ily, Turkey, Libya, Egypt).
SPECIMENS STUDIED.—EGM 2: 1240-1243; /0:
1511-1514; //: 1598-1604(US); /5: 1896(IN-
STOP); /8: 2008-2010(NHA).
REMARKS.—Common; found from March to
May epiphytic on various algae and Cymodocea
nodosa.
Ceramium diaphanum (Lightfoot) Roth
Conferva diaphana Lightfoot, 1777:996.
Ceramium diaphanum (Lightfoot) Roth, 1806:154.—Piccone,
1879:28; 1884:123.—Petersen, 1918:14.—Schiffner, 1926:
301.—Boergesen, 1930:63.—Feldmann, 1931b:248; 1937:
276.—Mazoyer, 1938:325.—Nasr, 1940b:27.—Gayral,
1958:433.—Seoane-Camba, 1965:135.—Papenfuss, 1968:
92.—Guven and Ostig, 1971:126.—Giaccone et al., 1973,
table 1v.—Boudouresque and Perret, 1977:66.
Ceramium diaphanum (Roth) Harvey, 1849: pl. 193.—Funk,
1955:119.—Ardre, 1970:155.—Gerloff and Geissler, 1971:
He
DistrrisuTion.—Tunisia (Tabarka, Gammarth,
La Marsa, Sidi Bou Said, Hammamet, Sousse, El
Bibane); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(France, Corsica, Italy, Greece, Turkey, Algeria,
Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 1211; //: 1593-
15972 132 1815=181 7S); 292 2237 (Nie
2288(INSTOP).
NUMBER 10
REMARKS.—Common; found from January to
May and in September and November epiphytic
on various algae and Cymodocea nodosa.
Ceramium gracillimum Griffiths and Harvey
in Harvey
Ceramium gracillimum Griffiths and Harvey in Harvey, 1849,
pl. 206.—Funk, 1955:117.—Nasr and Aleem, 1949:276.—
Edelstein, 1964:202.—Seoane-Camba, 1965:133.—Papen-
fuss, 1968:93.—Andre, 1970:153.—Gerloff and Geissler,
1971:777.—Giaccone et al., 1973, table tv.
DistRIBUTION.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal, Spain); Mediterra-
nean (Italy, Sicily, Greece, Israel, Egypt); Red
Sea.
SPECIMENS
1929(NHA).
RemarKS.—Occasional; found in September
epiphytic on Cymodocea nodosa.
STUDIED.—EGM /6: 1928(US),
Ceramium rubrum (Hudson) C. Agardh
Conferva rubra Hudson, 1762:486.
Ceramium rubrum (Hudson) C. Agardh, 1817:60.—Boergesen,
1930:63.—Feldmann, 1931b:248.—Mazoyer, 1938:320.—
Nasr, 1940b:27.—Navarro and Uriarte, 1945:268.—Nasr
and Aleem, 1949:276.—Aleem, 1951:251.—Funk, 1955:
119.—Gayral, 1958:428.—Riedl, 1963:75.—Seoane-
Camba, 1965:133.—Ardre, 1970:157.—Furnari and
Scammacca, 1970:223.—Gerloff and Geissler, 1971:778.—
Guven and Ostig, 1971:126.—Boudouresque and Perret,
1977:67.
DistriBuTION.—Tunisia (Bechateur, Gam-
marth, La Marsa, Monastir); northeastern Atlan-
tic (Portugal, Spain, Corsica, Italy, Sicily, Tur-
key, Adriatic Sea, Greece, Algeria, Egypt); Red
Sea.
SPECIMENS STUDIED.—EGM 3: 1333-1335: //:
e092 21729, 1730, 1732S), 1733
(NHA); /8: 2007(INSTOP).
Remarks.—Abundant; found from January to
August and from October to December on rocks,
epiphytic on various algae and Cymodocea nodosa.
Ceramium tenerrimum (Martens) Okamura
Hormoceras tenerrimum Martens, 1866:146.
Ceramium tenerrimum (Martens) Okamura, 1933:112.—Funk,
45
1955:117.—Mazoyer, 1937:540; 1938:321.—Seoane-
Camba, 1965:135.—Gerloff and Geissler, 1971:778.—
Giaccone et al., 1973, table tv.
DistripuTion.—Tunisia (Djerba Island);
northeastern Atlantic (Spain, Morocco); Medi-
terranean (Italy, Sicily, Greece, Algeria).
SPECIMENS STUDIED.—EGM: 24:
2144(US), 2145(NHA), 2146(INSTOP).
Remarks.—Rare; found in March epiphytic
on Cymodocea nodosa.
2142-
Ceramium tenuissinum (Lyngbye) J. Agardh
Ceramium diaphanum var. tenuissimum Lyngbye, 1819:120.
Ceramium tenuissimum (Lyngbye) J. Agardh, 1851:120.—Feld-
mann, 1931b:248; 1937:276.—Mazoyer, 1938:325.—Na-
varro and Uriarte, 1945:268.—Nasr and Aleem, 1949:
270.—Funk, 1955:117.—Gerloff and Geissler, 1971:778.—
Guven and Ostig, 1971:126.—Giaccone et al., 1973, table
1v.—Boudouresque and Perret, 1977:68.
DistripuTion.—Tunisia (La Marsa); north-
eastern Atlantic (Portugal); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Greece, Tur-
key, Algeria, Libya, Egypt); Red Sea; Indian
Ocean.
SPECIMEN STUDIED.—EGM /2: 1539(US).
REMARKS.— Occasional; found in May and Au-
gust on Cymodocea nodosa.
*Griffithsia flosculosa (Ellis) Batters in Newton
Conferva flosculosa Ellis, 1768:425.
Griffithsia flosculosa (Ellis) Batters in Newton, 1931:368.—
Funk, 1955:129.—Feldmann, 1961:507.—Seoane-Camba,
1965:138.—Ardre, 1970: 167.—Gerloff and Geissler, 1971:
779.—Furnari and Scammacca, 1973:14.—Boudouresque
and Perret, 1977:69.
Griffithsia setacea C. Agardh, 1817:xxviii.—Bornet, 1892:324.
DistripuTion.—Tunisia (Cap Serrat); north-
eastern Atlantic (Portugal, Spain); Mediterra-
nean (Corsica, Italy, Greece, Sicily).
SPECIMEN STUDIED.—EGM 2. 1171(US).
Remarks.—Rare; found in April epiphytic on
Cymodocea nodosa.
*Griffithsia phyllamphora J. Agardh
Griffithsia phyllamphora J. Agardh, 1842:77.—Bornet, 1892:
324.—Boergesen, 1930:38.—Navarro and Uriarte, 1945:
46 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
263.—Funk, 1955:127.—Dao, 1957:172.—Riedl, 1963:
75.—Giaccone et al., 1973, table 1v.—Boudouresque and
Perret, 1977:69.
DistripuTion.—Tunisia (Sidi Bou _ Said);
northeastern Atlantic (Canary Islands); Mediter-
ranean (Spain, Corsica, Italy, Sicily, Adriatic
Sea).
SPECIMEN STUDIED.—EGM /3: 1808(US).
Remarks.—Rare; found in July epiphytic on
various algae.
*Anotrichium tenue (C. Agardh) Naegeli
Griffithsia tenus C. Agardh, 1828:131.—Boergesen, 1930:
31.—Edelstein, 1964:199.—Gerloff and Geissler, 1971:
779.
Anotrichium tenue (C. Agardh) Naegeli, 1861:399.
DisTRIBUTION.—Tunisia (Kerkenna_ Island);
northeastern Atlantic (Canary Islands); Mediter-
ranean (Greece, Israel, Algeria); Red Sea; Indian
Ocean.
SPECIMENS
2094(NHA).
RemMarkKs.—Occasional; found in April on
rocks in the sublittoral zone.
STUDIED.—EGM 20: 2093(US),
Spyridia filamentosa (Wulfen) Harvey
Fucus filamentosus Wulfen, 1803:64.
Spyridia filamentosa (Wulfen) Harvey, 1833:336.—Bornet,
1892:333.—DeToni and Forti, 1913:7.—Petersen, 1918:
15.—Schiffner, 1926:302.—Pottier, 1929:337.—Boerge-
sen, 1930:61.—Feldmann, 1931b:247: 1937:276.—Nasr,
1940b:30.—Navarro and Uriarte, 1945:267.—Funk, 1955:
120.—Dao, 1957:172.—Edelstein, 1964:202.—Seoane-
Camba, 1965:136.—Ben Alaya, 1970:211.—Gerloff and
Geissler, 1971:780.—Guiven and Ostig, 1971:126.—Giac-
cone et al., 1973, table rv.—Harotinidis and Tsekos, 1975:
219.—Boudouresque and Perret, 1977:72.
DistriBuTIon.—Tunisia (Sidi Bou Said, Kor-
bous, Monastir, Djerba Island, Kerkenna Island,
Zarzis); northeastern Atlantic (Spain, Canary Is-
lands); Mediterranean (Spain, France, Corsica,
Italy, Sicily, Greece, Turkey, Algeria, Libya,
Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM #: 1344-1348; /3:
1773-1779; 14: 1832-1836; /8: 1994, 1995; 2/:
2107-2111; 24: 2194; 26; 2208—2214(Us)- 926:
2246-2247 (NHA), 2248-2249(INSTOP).
ReMmaARKS.—Abundant; found in April, May,
July, and October epiphytic on various algae.
Wrangelia penicillata C. Agardh
Wrangelia pencillata C. Agardh, 1828:138.—Bornet, 1892:
265.—DeToni, 1895:452.—DeToni and Forti, 1913:12.—
Schiffmer, 1926:300.—Boergesen, 1927:94.—Feldmann,
1937:276.—Navarro and Uriarte, 1945:269.—Funk, 1955:
129.—Dao, 1957:172.—Riedl, 1963:75.—Edelstein, 1964:
200.—Gerloff and Geissler, 1971:780.—Guven and Ostig,
1971:126.—Giaccone et al., 1973, table 1v.—Harotinidis
and Tsekos, 1975:220.—Boudouresque and Perret, 1977:
TBs
DisTRisuTION.— Tunisia (Monastir, Djerba Is-
land, Zarzis); northeastern Atlantic (Canary Is-
lands); Mediterranean (Spain, France, Corsica,
Italy, Sicily, Adriatic Sea, Greece, Turkey, Israel,
Libya); Indian Ocean.
SPECIMENS STUDIED.—EGM /8: 1991-1993; 24:
2183, 2186-2193, 2197_220(OS)\eZome om
2243(NHA), 2244-2245(INSTOP).
ReMARKS.—Common; found in April, May,
and October epiphytic on various algae.
Family DELESSERIACEAE
*Acrosorium uncinatum (Turner) Kylin
Fucus laceraius var. uncinatus Turner, 1808:153.
Acrosorium uncinatum (Turner) Kylin, 1924:78.—Boergesen,
1930:154.—Feldmann, 1931b:238; 1937:278.—Navarro
and Uriarte, 1945:272.—Funk, 1955:103.—Gayral, 1958:
461.—Seoane-Camba, 1965:142.—Ardre, 1970:188.—
Giaccone et al., 1973, table 1v.—Boudouresque and Perret,
1977:90.
DistripuTion.—Tunisia (Sidi Bou Said, Kor-
bous, Sousse); northeastern Atlantic (Portugal,
Spain, Morocco, Canary Islands); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Algeria,
Libya); Indian Ocean.
SPECIMENS STUDIED.—EGM 2: 1186; /3: 1821—
1825; /4: 1861-1863(US), 1864(NHA), 1865(IN-
SOP):
NUMBER 10
REMARKS.—Common; found in April and Oc-
_ tober epiphytic on various algae.
*Hypoglossum woodwardii Kuetzing
_ Fiypoglossum woodward Wuetzing, 1843:444.—Boergesen,
1930:153.—Feldmann, 1931b:238; 1937:278.—Navarro
and Uniarte, 1945:269.—Funk, 1955:106.—Gayral, 1958:
456.—Edelstein, 1964:207.—Seoane-Camba, 1965:141.—
Ardre, 1970:179.—Gerloff and Geissler, 1971:781.—Giac-
cone et al., 1973, table 1v.—Boudouresque and Perret,
1977:91.
DistriputTion.— Tunisia (labarka); northeast-
-ern Atlantic (Portugal, Spain, Morocco, Canary
' Islands); Mediterranean (Spain, France, Corsica,
"Italy, Sicily, Greece, Algeria, Libya).
| Specimen Stupiep.—EGM /: 1540(US).
RemMArRKS.—Rare; found in April epiphytic on
various algae.
*Myriogramme distromatica Rodriquez ex
Boudouresque
Mynogramme distromatica Rodriguez ex Boudouresque, 1971:
76.—Boudouresque and Perret, 1977:92.
DistrisuTiIon.— Tunisia (Sidi Bou Said); Med-
iterranean (Corsica).
SPECIMEN STUDIED.—EGM /3: 1789(US).
REMARKS.—Rare; found in October epiphytic
on Cymodocea nodosa.
Family DASYACEAE
*Dasya baillouviana (Gmelin) Montagne
Fucus baillouwiana Gmelin, 1768:165.
Dasya baillouxana (Gmelin) Montagne, 1841:164.
Dasya elegans (Martens) C. Agardh, 1828:117.—Edelstein,
1964:205.—Guven and Ostig, 1971:127.
Dasya pedicellata C. Agardh, 1824:211.—Boergesen, 1930:
_ 136.—Gerloff and Geissler, 1971:782.—Giiven and Ostig,
1971:127.—Giaccone et al., 1973, table tv.
Distripution.—Tunisia (Kerkenna Island,
Djerba Island); northeastern Atlantic (Canary
Islands); Mediterranean (Sicily, Greece, Turkey,
Israel); Indian Ocean.
47.
SPECIMENS STUDIED.—EGM 20: 2057-2059,
2061; 24: 2178-2179(US), 2180-2181(NHA),
2182(INSTOP).
REMARKS.—Common; found in March and
April on rocks in the sublittoral zone.
Heterosiphonia wurdemanni (Bailey in
Harvey) Falkenberg
Dasya wurdemann Bailey in Harvey, 1853:64.
Heterosiphonia wurdemanni (Bailey in Harvey) Falkenberg,
1901:638.—Schiffner, 1926:303.—Boergesen, 1930:137.—
Feldmann, 1937:277.—Nasr, 1940a:7.—Nasr and Aleem,
1949:270.—Aleem, 1951:252—Funk, 1955:147.—Dao,
1957:173.—Edelstein, 1964:206.—Gerloff and Geissler,
1971:782.—Giaccone et al., 1973, table 1v.—Boudour-
esque and Perret, 1977:89.
Distrrpution.— Tunisia (Djerba Island, El Bi-
bane); northeastern Atlantic (Canary Islands);
Mediterranean (France, Corsica, Italy, Sicily,
Greece, Israel, Egypt).
SPECIMENS STUDIED.—EGM 26: 2222(US),
2223(NHA).
Remarxks.—Occasional; found in April and
October on rocks in the sublittoral zone.
Family RHODOMELACEAE
Acanthophora najadiformis (Delile) Papenfuss
Fucus najadiformis Delile, 1813:80.
Acanthophora najadiformis (Delile) Papenfuss, 1968:96.
Acanthophora delile Lamouroux, 1813:132.—Muschler, 1910:
307.—Funk, 1927:446.—Nasr and Aleem, 1949:277.—
Feldmann, 1951:107.—Furnari and Scammacca, 1970:
225.—Gerloff and Geissler, 1971:783.— Boudouresque and
Perret, 1977373:
Distripution.— Tunisia (Djerba Island); Med-
iterranean (Sicily, Corsica, Italy, Greece, Israel,
Libya, Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM 23: 2134(US),
2137(NHA).
Remarks.—Occasional; found in June on rocks
in the sublittoral zone.
48 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
Alsidium corallinum C. Agardh
Alsidium corallinum C. Agardh, 1827:639.—Schiffner, 1926:
303.—Boergesen, 1930:108.—Feldmann, 1937:277.—Na-
varro and Uriarte, 1945:276.—Aleem, 1951:252.—Funk,
1955:139.—Edelstein, 1964:203.—Gerloff and Geissler,
1971:783.—Boudouresque and Perret, 1977:74.
DistrRiBUTION.—Tunisia (La Marsa); north-
eastern Atlantic (Canary Islands); Mediterranean
(Spain, France, Corsica, Italy, Greece, Israel,
Egypt).
SPECIMENS STUDIED.—EGM /2: 1744-1749
(US), 1750(NHA), 17510QINSTOP).
RemMarks.—Occasional; found in February,
June, September, and November on rocks in the
sublittoral zone.
*Chondria coerulescens (Crouan and Crouan)
Falkenberg
Laurencia coerulescens Crouan and Crouan, 1867:154.
Chondna coerulescens (Crouan and Crouan) Falkenberg, 1901:
205.—Funk, 1927:444.—Gayral, 1958:476.—Seoane-
Camba, 1965:153.—Ardre, 1970:223.
DistTriBuTION.— Tunisia (Raouad, La Marsa,
Sidi Bou Said); northeastern Atlantic (Portugal,
Spain, Morocco); Mediterranean (Italy).
SPECIMENS STUDIED.—EGM /0: 1509-1510
(US); 72: 1727-1728(NHA); /3: 1814(INSTOP).
REMARKS.—Common; found in March, June,
October, and December on rocks in the sublit-
toral zone.
Chondria dasyphylla (Woodward) C. Agardh
Fucus dasyphyllus Woodward, 1794:239.
Chondria dasyphylla (Woodward) C. Agardh, 1817:xvili.—Bor-
net, 1892:304.—Muschler, 1910:307.—Fremy, 1925:28.—
Schiffner, 1926:303.—Funk, 1927:444.—Boergesen, 1930:
81.—Feldmann, 1931b:242.—Gayral, 1958:474.—Gerloff
and Geissler, 1971:783.—Furnari and Scammacca, 1973:
16.
DistripuTion.— Tunisia (Cap Serrat, Tabarka,
Gammarth, La Marsa, El Bibane); northeastern
Atlantic (Portugal, Morocco, Canary Islands);
Mediterranean (Greece, Algeria, Libya, Sicily,
Egypt); Indian Ocean.
SPECIMENS STUDIED.—EGM /: 1219; 2: 1218,
1221, 1224; 172 1585-15893 72: 17 24 Wi26e205
2047-2056; 29: 2269-2271(US), 2272(NHA),
2273(INSTOP).
REMARKS.—Common; found from January to
May and in November and December on rocks
in the sublittoral zone.
Chondria tenuissima (Goodenough and
Woodward) C. Agardh
Fucus tenuissimus Goodenough and Woodward, 1797:215.
Chondnia tenuissima (Goodenough and Woodward) C. Agardh,
1822:352.—Bornet, 1892:303.—Schiffner, 1926:303.—
Boergesen 1930:80.—Feldmann, 1931b:243; 1937:276.—
Navarro and Uriarte, 1945:276.—Aleem, 1951:252.—
Funk, 1955:139.—Seoane-Camba, 1965:154.—Ardre,
1970:221.—Gerloff and Geissler, 1971:783.—Guven and
Ostig, 1971:126.—Giaccone et al., 1973, table 1v.—Bou-
douresque and Perret, 1977:76.
DistriBuTION.— Tunisia (Bechateur, Raouad,
Gammarth, Kerkenna Island, Djerba Island);
northeastern Atlantic (Portugal, Spain, Canary
Islands); Mediterranean (Spain, France, Corsica,
Italy, Sicily, Greece, Turkey, Algeria, Egypt);
Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM 3: 1332; /0: 1506-
1508; //: 1583(US); 24: 2149-2159(NHA), 2152-
2153(INSTOP).
ReEMARKS.—Common; found from March to
May and in July and August on rocks in the
sublittoral zone.
* Digenia simplex (Wulfen) C. Agardh
Conferva simplex Wulfen, 1803:17.
Digenia simplex (Wulfen) C. Agardh, 1822:388.—Muschler,
1910:308.—Funk, 1927:442.—Navarro and Uriarte, 1945:
280.—Nasr and Aleem, 1949:256.—Aleem, 1951:252.—
Dao, 1957:172.—Gerloff and Geissler, 1971:783.—Guven
and Ostig, 1971:126.—Lipkin and Safriel, 1971:11.—
Giaccone et al., 1973, table 1v.— Boudouresque and Perret,
1977:76.
DistrRiBuTION.—Tunisia (Cap Serrat, Nabeul,
Djerba Island); Mediterranean (Spain, Corsica,
Italy, Sicily, Greece, Turkey, Israel, Egypt); Red
Sea; Indian Ocean.
NUMBER 10
SPECIMENS STUDIED.—EGM 2: 1270-1275,
Ioan s) 29: 18760UINSTOPR); 27: 2231-2233
(NHA).
REMARKS.—Common; found in April, July,
and October on rocks in the sublittoral zone.
Halopitys incurvus (Hudson) Batters
Fucus incurvus Hudson, 1762:470.
Halopitys incurvus (Hudson) Batters, 1902:78.—Aleem, 1951:
252.—Gayral, 1958:496.—Seoane-Camba, 1965:152.—
Ardre, 1970:220.—Gerloff and Geissler, 1971:784.—Giac-
cone et al., 1973, table 1v.—Boudouresque and Perret,
NOW ET Te
Halopitys pinastroides (Gmelin) Kuetzing, 1843:433.—Bornet,
1892:303.—Muschler, 1910:309.—DeToni and_ Forti,
1914:298.—Schiffner, 1926:304.—Boergesen, 1930:117.—
Feldmann, 1931b:245.—Navarro and Uriarte, 1945:
23a oniks 95545:
DistriBpuTion.— Tunisia (Cap Serrat, Tabarka,
Bechateur, Ile Plane, Ras Sidi Ali El Mekki,
mouth of Madjerda, Raouad, Sidi Bou Said, La
Marsa, Korbous, Nabeul, Gammarth, Monastir,
Djerba Island); northeastern Atlantic (Portugal,
Spain, Morocco, Canary Islands); Mediterranean
(Spain, Corsica, Italy, Sicily, Greece, Algeria, Li-
bya, Egypt).
SPECIMENS STUDIED.—EGM 2: 1148, 1157-
Moo wl 250 lol; 3: 1323; & 1393, 1394; 9: 1477,
1478; 70: 1500-1504; //7: 1578-1580; /2: 1709-
1712; 73: 1802-1806 /4: 1852-1855; /5: 1893-
1894(US); 78: 2005-2006(NHA); 23: 2135-
2136(INSTOP).
RemaARKS.—Abundant; found from March to
May and from July to December on rocks; some
specimens dredged from 15 to 23 m.
Herposiphonia tenella (C. Agardh) Schmitz
Hutchinsva tenella C. Agardh, 1828:105.
Herposiphona tenella (C. Agardh) Schmitz, 1889:449.
Herposiphonia tenella (C. Agardh) Ambronn, 1880:198.—
DeToni and Forti, 1913:9.—Boergesen, 1930:110.—Funk,
1955:142.—Gerloff and Geissler, 1971:784.—Boudour-
esque and Perret, 1977:79.
Herposiphoma tenella (C. Agardh) Naegeli, 1846:238.—Feld-
mann, 1931b:245; 1961:508.—Navarro and Uriarte, 1945:
280.—Seoane-Camba, 1965:147.—Ardre, 1970:213.—Gu-
ven and Ostig, 1971:126.—Giaccone et al., 1973, table tv.
49
Distripution.— Tunisia (Monastir); northeast-
ern Atlantic (Portugal, Spain, Canary Islands);
Mediterranean
Greece, Turkey, Algeria, Libya); Red Sea; Indian
Ocean.
SPECIMENS STUDIED.—EGM _ /8é:
2000(NHA), 2001(INSTOP).
ReMARKS.—Rare; found in April epiphytic on
various algae.
(Spain, Corsica, Italy, Sicily,
1999(US),
Herposiphonia tenella forma secunda (C.
Agardh) Hollenberg
Herposiphonia secunda (C. Agardh) Falkenberg, 1901:307.
Hutchinsia secunda C. Agardh, 1824:149.
Herposiphonia tenella forma secunda (C. Agardh) Hollenberg,
1968:556.
Herpostphonia secunda (C. Agardh) Ambronn, 1880:197,.—
Nasr and Aleem, 1949:277.—Aleem, 1951:252.—Dao,
1957:172.—Gerloff and Geissler, 1971:784.
Herposiphonia secunda (C. Agardh) Naegeli, 1846:238.—Mus-
chler, 1910:308.—Schiffner, 1926:303.—Boergesen, 1930:
111.—Feldmann, 1931b:245.—Navarro and _ Uriarte,
1945:281.—Funk, 1955:142.—Seoane-Camba, 1965:
147.—Ardre, 1970:214.—Furnari and Scammacca, 1970:
161.
DistripuTion.— Tunisia (Sidi Bou Said, Djerba
Island); northeastern Atlantic (Portugal, Spain,
Canary Islands), Mediterranean (Spain, Corsica,
Italy, Sicily, Greece, Algeria, Libya, Egypt); In-
dian Ocean.
SPECIMENS STUDIED.—EGM 24: 2292(US); 25:
2204(NHA), 2205(INSTOP).
Remarks.—Occasional; found in February,
March, and May epiphytic on various algae.
Laurencia obtusa (Hudson) Lamouroux
Fucus obtusus Hudson, 1778:586.
Laurencia obtusa (Hudson) Lamouroux, 1813:42.—Piccone,
1879:31; .1884:133.—Bornet, 1892:300.—Patouillard,
1897:19.—Muschler, 1910:306.—DeToni and Forti, 1913:
10.—Schiffner, 1926:302.—Funk, 1927:447.—Pottier,
1929:343.—Boergesen, 1930:67.—Feldmann, 1931b:243,
1937:276.—Navarro and Uriarte, 1945:273.—Nasr and
Aleem, 1949:278.—Aleem, 1951:251.—Dao, 1957:172.—
Gayral, 1958:482.—Riedl, 1963:77.—Seoane-Camba,
1965:155.—Ardre, 1970:224.—Gerloff and Geissler, 1971:
50 SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
784.—Giiven and Ostig, 1971:126.—Boudouresque and
Perret) | 9757/9:
DistriBpuTION.— Tunisia (Bechateur, Bizerte,
Raf Raf, Raouad, Gammarth, La Marsa, Sidi
Bou Said, Korbous, Monastir, Gabes, Kerkenna
Island, Djerba Island, El Bibane); northeastern
Atlantic (Portugal, Spain, Morocco, Canary Is-
lands); Mediterranean (Spain, France, Corsica,
Sicily, Italy, Adriatic Sea, Greece, Israel, Algeria,
Libya, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /: 1212-1217; 2:
1140-1143, 1164-1167, 1179-1182, 1187-1216,
WAI ee NSA NSS Ge MNSD0S Do STi, IZ: Os
WKS Msrssls NOE MOR VTE MAS WSs ZS TORS:
13: 1810; /4: 1856-1860; 75: 1895; 78: 2002-2004;
19; 2040-2042; 20: 2078-2092; 2/: 2113-2117;
Ee PNR 238 OS MSNOS LE PNIS=2 I Os ZO
2202-2203(US); 26: 2224-2230(NHA); 29: 2274-
2286(INSTOP).
Remarks.—Abundant; found from February
to July and in September and October on rocks
and epiphytic on various algae; some specimens
dredged from 31 m.
*Laurencia papillosa (Forsskal) Greville
Fucus papillosus Forsskal, 1775:190.
Laurencia papillosa (Forsskal) Greville, 1830:52.—Muschler,
1910:306.—Feldmann, 1937:276.—Nasr and Aleem,
1949:276.—Aleem, 1951:251.—Funk, 1955:141.—Gerloff
and Geissler, 1971:785.—Guven and Ostig, L926
Lipkin and Safriel, 1971:8.—Giaccone et al., 1973, table
1v.—Boudouresque and Perret, 1977:81.
Laurencia papillosa (CG. Agardh) Greville, 1830:lii.—DeToni
and Forti, 1913:11.
DistriBuTIoN.—Tunisia (Ras Sidi Ali El
Mekki, Raouad, Gammarth, La Marsa, Sidi Bou
Said, Nabeul, Zarzis); Mediterranean (France,
Corsica, Italy, Sicily, Greece, Turkey, Israel, Li-
bya, Egypt); Red Sea; Indian Ocean.
SPECIMENS STUDIED.—EGM /7: 1386; /0: 1497-
48a WG NAIA, Nav, love, lads W2e 7s 13s
1807; /5: 1891-1892(US); 28; 2254(INSTOP);
29; 2265-2266(NHA).
ReMARKS.—Abundant; found in March, May,
September, and October on rocks and epiphytic
on various algae.
*Laurencia pinnatifida (Gmelin) Lamouroux
Fucus pinnatifidus Gmelin, 1792:1385.
Laurencia pinnatifida (Gmelin) Lamouroux, 1813:42.—Bornet,
1892:301.—Funk, 1927:449.—Boergesen, 1930:69.—Feld-
mann, 1931b:243; 1937:276.—Navarro and Uriarte, 1945:
275.—Aleem, 1951:251.—Gayral, 1958:478.—Seoane-
Camba, 1965:154.—Ardre, 1970:225.—Gerloff and Geis-
sler, 1971:785.—Guven and Ostig, 1971:126.—Giaccone
et al., 1973, table 1v.—Boudouresque and Perret, 1977:81.
DisrripuTION.— Tunisia (Cap Serrat, Becha-
teur, Cap Zebib); northeastern Atlantic (Portu-
gal, Spain, Morocco, Canary Islands); Mediter-
ranean (Spain, France, Corsica, Italy, .Sicily,
Greece, Turkey, Algeria, Egypt); Red Sea.
SPECIMENS STUDIED.—EGM 2; 1370(US); @:
1392(NHA).
ReMARKS.—Common; found
April, and July in the sublittoral zone.
in February,
* Lophosiphonia subadunca (Kuetzing)
Falkenberg
Polysiphonia subadunca Kuetzing, 1843:418.
Lophosiphonia subadunca (Kuetzing) Falkenberg, 1901:496.—
Navarro and Uriarte, 1945:281.—Funk, 1955:142.—Ger-
loff and Geissler, 1971:786.
DistTRIBUTION.—Tunisia (Raf Raf); Mediter-
ranean (Spain, Greece).
SPECIMEN STUDIED.—EGM 6: 1376(US).
Remarks.—Rare; found in September epiphy-
tic on various algae.
* Lophosiphonia sacchoriza Collins and Hervey
Lophosiphonia sacchoriza Collins and Hervey, 1917:127.
DistripuTion.—Tunisia (Kerkenna Island).
SPECIMEN STUDIED.—EGM 20; 2077(US).
Remarks.—Rare; found in April epiphytic on
various algae.
Polysiphonia elongata (Hudson) Harvey in
Hooker
Conferva elongata Hudson, 1778:599.
Polysiphonia elongata (Hudson) Harvey in Hooker, 1833:333.—
Bornet, 1892:308.—Muschler, 1910:307.—Boergesen,
_ NUMBER 10
1930:93.—Feldmann, 1937:277.—Navarro and Uriarte,
1945:278.—Aleem, 1951:252.—Funk, 1955:136.—Edel-
stein, 1964:204.—Ardre, 1970:206.—Ben Alaya, 1970:
212.—Gerloff and Geissler, 1971:786.—Furnari and
Scammacca, 1973:16.—Boudouresque and Perret, 1977:
83.
DistrrisutTion.— Tunisia (Gammarth); north-
eastern Atlantic (Portugal, Canary Islands);
Mediterranean (Spain, France, Corsica, Greece,
- Turkey, Israel, Libya, Egypt).
_ SPECIMENS STUDIED.—EGM //:
(US).
REMARKS.—Occasional; found in May epiphy-
tic on various algae.
1537-1538
*Polysiphonia macrocarpa Harvey in Mackay
- Polysiphonia macrocarpa Harvey in Mackay, 1836:206.—Bor-
net, 1892:306.—Boergesen, 1930:82.—Gayral, 1958:
465.—Ardre, 1970:202.
DistripuTION.—Tunisia (Raouad, Djerba Is-
land); northeastern Atlantic (Morocco, Canary
Islands).
' SPECIMENS STUDIED.—EGM /0: 1487, 1488; 20:
2064(US), 2069(NHA), 2007 (INSTOP).
REMARKS.—Common; January,
March, and August epiphytic on various algae
and Cymodocea nodosa.
found in
Polysiphonia opaca (C. Agardh) Zanardini
Hutchinsia opaca C. Agardh, 1824:148.
Polysiphonia opaca (C. Agardh) Zanardini, 1842:63.—Schiff-
ner, 1926:303.—Boergesen, 1930:104.—Feldmann, 1937:
277.—Navarro and Uriarte, 1945:379.—Nasr and Aleem,
1949:277.—Aleem, 1951:252.—Funk, 1955:136.—Gerloff
and Geissler, 1971:787.—Guven and Ostig, 1971:126.—
Lipkin and Safriel, 1971:8.—Gaiccone et al., 1973, table
1v.—Boudouresque and Perret, 1977:84.
DistripuTion.—Tunisia (Tabarka, Monastir,
Djerba Island); northeastern Atlantic (Canary
Islands); Mediterranean (Spain, France, Corsica,
Sicily, Greece, Turkey, Israel, Egypt).
. SPECIMENS STUDIED.—EGM /: 1188-1190; /2:
1985-1990(US); 2184-
2185(NHA).
24: 2138 (INSTOP),
3) II
ReMARKS.—Common; found from April to
May epiphytic on various algae.
* Polysiphonia urceolata (Lightfoot in Dillwyn)
Greville
Conferva urceolata Lightfoot in Dillwyn, 1807:82.
Polysiphonia urceolata (Lightfoot in Dillwyn) Greville, 1824:
309.—Gerloff and Geissler, 1971:788.—Guven and Ostig,
1971:126.
DistriBUuTION.—Tunisia (Kerkenna Island);
Mediterranean (Greece, Turkey).
SPECIMENS STUDIED.—EGM 20: 2063, 2071-
2073(US), 2074(NHA), 2075(INSTOP).
RemarkKs.—Occasional;
rocks.
found in April on
* Polysiphonia violacea (Roth) Greville in
Harvey
Ceramium violaceum Roth, 1797:150.
Polysiphonia violacea (Roth) Greville in Harvey, 1849:209.—
Funk, 1927:135.—Boergesen, 1930:87.—Furnari and
Scammacca, 1970:225.
DisTrRIBUTION.—Tunisia (Kerkenna _ Island);
northeastern Atlantic (Canary Islands); Mediter-
ranean (Italy, Sicily).
SPECIMENS STUDIED.—EGM /9: 2032(US),
2033(NHA), 2034(INSTOP).
Remarks.—Occasional; found in April epiphy-
tic on various algae.
* Pterosiphonia complanata (Clemente)
Falkenberg
Fucus complanatus Clemente, 1807:316.
Pterosiphonia complanata (Clemente) Falkenberg, 1901:271.—
Gayral, 1958:484.—Seoane-Camba, 1965:150.—Ardre,
1970:192.—Harotinidis and Tsekos, 1975:219.
Polysiphonia complanata J. Agardh, 1863:933.—Bornet, 1892:
Se
DistripuTion.—Tunisia (Monastir, Kerkenna
Island, El Bibane); northeastern Atlantic (Por-
tugal, Spain); Mediterranean (Greece).
SPECIMENS STUDIED.—EGM /8: 1979-1981; 19:
Ey. SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES
2035-2037(US); 29:
SOE):
ReMARKS.—Common; found in January, April,
June, and August epiphytic on various algae.
2257(NHA), 2258(IN-
* Pterosiphonia pennata (C. Agardh)
Falkenberg
Hutchinsia pennata C. Agardh, 1824:146.
Pterosiphonia pennata (C. Agardh) Falkenberg, 1901:263.—
Funk, 1955:143.—Ardre, 1970:194.—Harotinidis and
Tsekos, 1975:219.
Plerosiphonia pennata (Roth) Falkenberg, 1901:263.—Boerge-
sen, 1930:108.—Feldmann, 1931b:244; 1937:277.—Nasr
and Aleem, 1949:277.—Aleem, 1951:252.—Gayral, 1958:
488.—Seoane-Camba, 1965:150.—Giaccone et al., 1973,
table 1v.—Boudouresque and Perret, 1977:85.
DistriBuTION.— Tunisia (La Marsa); north-
eastern Atlantic (Portugal, Spain, Morocco, Ca-
nary Islands); Mediterranean (France, Corsica,
Italy, Sicily, Greece, Algeria, Egypt).
SPECIMENS STUDIED.—EGM /2:
(US), 1647(NHA), 1648(.INSTOP).
REMARKS.—Common; found year round on
1639-1646
sandy substrate.
Rytiphloea tinctoria (Clemente) C. Agardh
Fucus tinctorius Clemente, 1807:316.
Rytiphloea tinctorra (Clemente) C. Agardh, 1824:160.—Bornet,
1892:302.—Muschler, 1910:308.—DeToni and_ Forti,
1913:8; 1914:290.—Funk, 1927:454.—Boergesen, 1930:
116.—Feldmann, 1931b:245; 137:277.—Navarro and
Uriarte, 1945:281.—Aleem, 1951:252.—Dao, 1957:173.—
Gayral, 1958:498.—Edelstein, 1962:213; 1964:205.—
Riedl, 1963:77.—Seoane-Camba, 1965: 152.—Ardre,
1970:220.—Ben Alaya, 1970:211.—Gerloff and Geissler,
1971:788.—Giiven and Ostig, 1971:126.—Giaccone et al.,
1973, table rv.—Harotinidis and Tsekos, 1975:219.— Bou-
douresque and Perret, 1977:86.
DistripuTion.— Tunisia (Bechateur, Raf Raf,
Ile Plane, Gammarth, La Marsa, Sidi Bou Said,
Korbous, Kerkenna Island, Gabes, Djerba Island,
Zarzis); northeastern Atlantic (Portugal, Spain,
Morocco, Canary Islands); Mediterranean
(Spain, France, Corsica, Italy, Sicily, Adriatic
Sea, Greece, Turkey, Israel, Algeria, Libya,
Egypt); Red Sea.
SPECIMENS STUDIED.—EGM 3: 1299; 6: 1373,
1374: 6: 1406; 7; 1549-1551; /2 5G SOMIG Siew es
1758-1760; /4: 1831; 2/; 2104-2106; 22; 2118
2123, 25: 2206(US); 28: 2237(NEIA) 2g 60)
(INSTOP).
Remarks.—Abundant; found from February
to July and from September to December on
vertical surfaces of rocks; some specimens dredged
from 15 to 23 m.
Vidalia volubilis (Linnaeus) J. Agardh
Fucus volubilis Linnaeus, 1759:1344.
Vidalia volubilis (Linnaeus) J. Agardh, 1863:1121.—Piccone,
1879:33: 1884:137.—Bornet, 1892:301.—Muschler, 1910:
309.—DeToni and Forti, 1914:298.—Boergesen, 1930:
116.—Feldmann, 1931b:245; 1937:277; 1961:508.—Na-
varro and Uriarte, 1945:282.—Funk, 1955:144.—Riedl,
1963:77.—Ben Alaya, 1970:211.—Gerloff and Geissler,
1971:788.—Giiven and Ostig, 1971:126.—Giaccone et al.,
1973, table 1v.—Boudouresque and Perret, 1977:86.
Distripution.— Tunisia (Gabes); northeastern
Atlantic (Canary Islands); Mediterranean (Spain,
France, Corsica, Italy, Sicily, Adriatic Sea,
Greece, Turkey, Algeria, Libya).
SPECIMENS STUDIED.—EGM 22: 2124-2128
(US), 2129(NHA), 2130(INSTOP).
Remarks.—Occasional; found in
dredged from 37 to 47 m.
July;
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