Cyclosi)oi'in;p, SargassucciG, Cystoseirca. 167 



— Caulis e callo riulicali valido sur^uiis pcnna ansoriua vix cr;is- 

 sior, 3-7 cm. lougiis, iu ramulos uumerosissiuios 1-2 cm. lougos 

 iuibricato-spiuulosos coryuil)ose tcrmiuatus. Froudes pleruuique ex 

 toto 20-40 cm. alta*, hasi reli^iuiis spiuiilarum jiarce muriculata^, 

 ramis o-4 cui. lougis, mediis lougioribus, dense vestitse. Spinae in 

 ramis deusiores, quam in C. corniculata longiores et magis su- 

 bulata), ssepissime simplices aut prope. medium furcatcie, evidenter 

 plerumque glandulosa?. Receptacula rauios ramulosque terminautia, 

 2-6,5 mm. louga, ex iuflatis spiuarum couflueutium basibus for- 

 mata spiuulisque parum prominentibus cincta, obtusa. Scaphidia 

 (sec. Menegliiui) in (luo^iue tuberculo fructifero quaterna. Oosporse 

 matura?. obovata? seu piriformes, usque ad 150 y. longie. Paraphy- 

 ses parce ramos«, articulis obovatis vel clavatis, diametro 5-8-plo 

 longioribus. Cryptostomata numerosa. Folia primaria et juvenilia 

 liuearia, costata, integerrima, simplicia aut pinuatitida. Planta re- 

 ceus iu mari iridescens. 



Cystoseira ericoijes (L.) Ag. Sp. p. 52, Syst. p. 281 (excl. var.), 2G9 

 Harv. Phyc. Brit. tab. 2G5, J. Ag. Sp. I, p. 221, Johnst. & Croall 

 Brit. Sea-weeds III, p. 3, t. 131, Fucus ericoides L. Sp. plant. 

 II, p. 1631, Engl. Bot. tab. 1968, Turn. Hist. Fuc. tab. 191 (par- 

 tim et excl. var.), Fucus tamariseifolius Huds. FI. Angl. p. 576, 

 Stackh. Ner. brit. p. 44, t. XI, Fucus selaginoidcs Esper Ic. Fuc. I, 

 pag. 69, t. 31 non Gmel., Halerica ericoides Kuetz. Phyc. gener. 

 p. 354, Sp. pag. 594 (quoad sp. atlantica). — Caule truuciformi 

 brevi rigido apice subcoryml)oso, ramis inexpausis vermicularibus 

 dense imbricatis frondibusque basi subverticillatim spinulosis pin- 

 natim ramosissimis late pyramidatis, ramis vagis plus minus dense 

 spinosis, spinis glandulosis subulatis simpliciusculis, supremis fer- 

 tilibus in receptacula oblougo-cylindracea coalesceutibus; vesiculis 

 miuutis, siugulis, ellipsoideis, prope ramulorum apiceni immersis. 

 Hah. in oceano Atlantico ad oras Anglia? Hiberniseque (Tur- 

 NER, Landsborough, Cukdie, Harvey), Gallise, Hispauise et Africaj 

 borealis. — Cailus radicalis disciformi-extensus subconicus. Caulis 

 plerumque solitarius, 12-18 cm. longus, cylindraceus, crassus, iu- 

 ferne lignosus, frequenter rugosus aut tuberculatus, versus apicem 

 subcorymbose ramosus. Raud eximie spiuulosi. Spiuulie 1-2-glan- 

 duloste, simplices rariusve furcata^, subulatie, 2-4 niillim. longa^. 

 VcsicuhTe in ramulis subsolitaria?, 4-4,5 millim. louga', cylindraceo- 

 ellipsoide*. Receptacula a spinulis terminalibus coulluentibus for- 

 mata, 6-9 milliiu. louga. Color plant;e flavescenti-olivaceus, statu 



