n. Crypt. 1850. p. 32 I 140. 



Dalmati p. 23. t.i!.. 6 



t : it. 



I.d.. Phyc. vol. VII. [857. tab. 1 1 fi a. 

 :. c. tab. 19. fig. I). 



I lor. [tal. < '1 ypt. pars II. [862. p 

 ■ Enum. Crypt. Espafia y Portugal II. 1867. p. 

 D \tao \ Mora Flor. Crypt. Penins. iberica. Granada 1870. p. 203. 

 11 llo Enum. delle Alghe di I i uria 1K77. p. [56. 

 Wittr. in Botan. Notiser 1880. p. 114. 



1 Corsaro alle isole Madeira e Canarie 1884. p. 23. 

 Hauck Meeresalgen. [885. p. 481. 



Bi ;ozero Flora Veneta Crittogamica II. Padova [885. p. 86. 

 v/ata Bizzozero loc. cit. 



Vrdissone Phyc. Medit. 11 1886. p. 172. 

 . 1 > . Toni et Levi Flor. Al, Ven. III. [888. p. 107. 

 fontainii J. G. Agardh l'ill Al.,. Syst. \'. [887. p. 74 excl. syn. I : la/>. fimbriata). 

 .'■•.•.• Askenasy in Forsch. Reise "Gazelle" IV. iss.j. Bot. Algen. p. 11. 

 Caulerpa vitifolia De Toni Syll. Alg. [889. p. 487. 

 Udotea Desfontainii De Toni 1. c. p. 50S. 



Desfontainü Bornet Alg. de Schousboc in Mem. Soc. Nat. Sci. Cherbour^ XXVIII. 



'iS. 

 Desfontainii I >ebray Catalogue des Algues du Maroc, d'Algérie et de Tunisie. 1897. p. 32. 

 f ontainii Lotsy Vortrage Bot. Stammesgeschichte I. Jena 1907. p. 61. figs. 23> 34- 



Hab. Mi: iterranean", Lamouroux\ in Herb. Mus. Paris (sub " Flabellaria Des- 



fontainii Lam." and '■Conferva flabellata Desfont." in Lamouroux's own writing). — Rade 

 de Böne, Steinheil in Herb. Mus. Paris! - Nier, Herb. Lebel\ in Herb. Mus. Paris; also 

 in Herb. Mus. Paris\ sub nom. " Codium flabelliforme" in J. G. Agardh*s writing); also 

 sine loc. ex Herb. .1,1. Brongniart in Herb. Mus. Paris! - Mediterranean, Mrs. MerrifieldX 

 also Desma . Plant. Crypto di Trance Ed. 1. sér. 1. n° 204! and Ed. 2. n" 804! — 



Marseilles, Herb. Mus. Brit\\ al.su Algae Schousboeanae, n" 83! Hohenacker n" 104! — 

 Toulon, Roberts in Herb. Roem.! — Antibes, Herb. Dickie\ — Nice, J. G. Agardh\ — 

 Villa Franca, Herb. Collins\ — Albisola, Piccone in Hauck & Richter Phyk. univ. n° 62! 

 als., in Erb. Crittog. Ital. n" 2S2: also in Rabenhorst Alg. Eur. n° 1295: — Rapallo, 

 pp\ Spezia, Weber van Bosse\ - Lunae Portus, Gulf of Spezia, Bertoloni in Herb. 

 Roem.! Livorno, Arcangeli\ — Nisita, Naples, Cramerl ■ Capri, Naegeli\ — Bastia, 

 1 -iii. Debeaux in Fl<>ra exsicc. C. Billot n° 4100! — Ajaccio, B'órgesen\ — Corsica, 

 Soleirol\ — Balearic Islands, Lindahl in Alg. exsicc. Wittrock is: Nordstedl n" \.\z\ (sub 

 nom. " l'. flabelliformis Wittr.") Trapani, Sicily, Langenbach ! — Adriatic. Herb. Kützing\ — 

 Venice, Contarini) - Adria, Herb. Kützing\ — Pirano, Weber van Bosse in Herb. Hauck! — 

 Parenzo, //erb. Weber van Bosse\ — Rovigno, C. Lucas \ also in Herb. Collins\ also Hauck 

 in Hauck & Richter Phyk. univ. n" 62! als.. Hauck in Herb. Weber van Bosse! Lessina, 

 Herb. Kützing\ (sub nom. " Rhipozonium Desfontainii n" 34." Algiers, Herb. K 



A11 vntic. I adiz, Börgesen\ in Mus. Bot. Copenhagen. Canary Islands, Graciosa, 32 fathoms, 

 Humboldt\ in Herb. Mus. Paris. — Canary Islands, Lanzerote and Graciosa, D'Albertis. — 

 Verde Islands, Letons Rock. (38 I . -Gazelle" Expedition. 



Plants varying in length to about io cm., not (or very rarely at base) calcified. Rhizome 



al stipitate fronds; sometimes two or more rhizomes are matted together. 



ually simple, occasionall)- forked, varying to about 5 cm. long and 1 — 2 mm. thick, 



ilaments resembling those of the frond, but thicker-walled, with the lateral 



wded, short, truncate, cylindric apio 



