Corynidae. — Bougainvilliidae. 3 



(). Fain. BIMEKIDAE Allm. H3mIi'. : Hj^^drocaulus praesens, perisarco inuni- 

 tus. aut rudinientaris; polj^pi hj^postoniio non abrupte differenter formato; tenta- 

 culis tiliformibus singulo verticillo basin hypostomii circumdantibus. Parydr. : 

 Sessilia, sacciformia, clausa, siue umbrella. 



Stylactis Allm. {Podocoriine Sars p., DysmorpUosa [Phil.] Hincks). Hydr. : 

 Hifdrocaidns nuHus, iuiclrorhiza reticidata, perisarco cMtinaceo, sed non coenenchymate 

 nudo superiiciali munita; polifpi suhclavati aut cylindrati, tentacula fiUformia, singula 

 serie circum hasin h/fpostomii conici. Parydr. : Scssilia, polypis in parte proximali 

 tentacidorum insidcntia. 



m 1. St. fucicola Allm. (Podocoryne fucicoh Sar^). Hydr. : Hj^drorhiza 

 spinas conicas chitiuaceas distantes emittens, ^/2'" altas; polypi 1^/2'" alti, ii siiie 

 parydrodibus (steriles) 8 — 12 tentaculis, proliferi g-raciliores 4 — 8 tantum tentaculis 

 instructi. Parydr. : Globularia, breviter peduncukta, 3 — 7 in quoque polypo, 

 sparsa aut subverticilhita. Color pallide ruber. 



Habit.: Zona Laminariarum (Cystosirarum) : Messina (Saes). 



m 2. St. inermis Allm. Hydr. : Hj^drorhiza sine spinis, tubis approxi- 

 inatis retiformibus formata; polypi steriles 2'" alti, tentaculis circiter 20, duabus 

 seriebus alternantibus ordinatis, proliferi 1'" alti, tentaculis circ. 12, biseriatis. 

 Par3'dr. : Ovalia , breviter peduncuLata , subverticilbita, prope ad tentacula in- 

 iima. Pallide rosea aut fuscescens. 



Habit. : Nizza, in zona Cystosirarum, mense Aprile (du Plessis). 



Wrightia Allm. {Atracti/lis 8. Wk. p.). Hydr. : Caules simplices infundi- 

 hidiformes stoloni repenti insidentes, perisarco chitinaceo; pohjpi retractiles, fusiformes, 

 corona tentacidorum fiUformium circum hjipostomimn conicnm. Par^^^dr. : Sacci- 

 formia, laterihus hiidrocauli insidentes. 



1. Wr. arenosa Allm. (Atracfiilis arenosa AhD.). Caulis miimtus, simplex, 

 irreguhiris, apice dilatato, particulis arenaceis extraneis aliis tectus; tentacula cir- 

 citer 12, alternatim elevata et depressa. Sacci feminei ovati, permagni pro niagni- 

 tudine polyporum. 



Distrib. : Litora Magnae Britanniae. 



Habit. : „Mare della Toscana'' (Richiabdi). 



7. Fam. BOUGAINVILLIIDAE Allm. (ilf«rr/eZ/f/ae Haeck.). Hydi.: Hydro- 

 caulus perisarco munitus ; tentacula filiformia singulo verticillo basin hypostomii 

 non abrupte diiferenter formati circumdantia. Parydr. : Medusiformia , liliera, 

 canalibus radialibus quatuor simplicibus, tentacnlis marginalibus simplicibus, sin- 

 gulis aut aggregatim dispositis. 



Bougainvillia Less. Hydr. : (Eudendrium Vax Bex. p., Atracti/lis S. AVk. p.) 

 Hi/drocmdics ramosus, hi/drorhiza fiUformis; poli/pi fusiformes hi/postomio conico. 

 Parydr. : (Hi/ipocrene Bkandt, Lizda Fokb. p., MargeUs Stestp.) In Hi/dro- 

 caido orientia, umhrella campanidata, mamdjrium campana hrcvius, tcntacidis oraU- 

 hus 4 simpUcihus capiiatis; cancdcs radicdes 4 in hulho terminati , cui 3 — 4 tcnta- 

 ctda hasi ocello munita insident. 



1. B. muscus Allm. (Pcrif/onimu-'^ muscus Allm. antea). Hydr. : Caulis 

 semipollicaris, simplex, liydrorhizae repenti insidens, ramis simplicibus ; perisarcum 

 fuscescens, leviter corrugatum, polypos dihitatione cyathiformi amplectens ; pol^^pi 

 rubro-fusci, tentaculis fere Ki, alternatim elevata et depressa ; gonothecae h)nge 

 l^edunculatae, ramis insidentes. Par^Mlr. : Manubrinui tertiam umbrellae partem 

 longunL 



D i s t r i b. : Litora Britanniae Magnae. 



Habit. : Adria: litus orientale (Pji-;i'hr). 



1* 



