Ru-Floi-itlon?, Tylocarpoa?, Phyllophoi-fl. 231 



externis vernioifonnibiis, amphigenis in disco aut ad l)asin folioli 

 nunc amploctentihus nunc suhglohosis evohita, in filis transforniatis 

 seriata, ohlonga, cruciatim divisa. Antheridia (saltem in Phijll. ru- 

 hente) glohulos minutissimos hreve pedicellatos in marginihus su- 

 perioris froiidis evolutos sistentia '). 



Ohs. FroniUs prima origo est folium simplex, inferne costa phis 

 minus evidenti instriictum, superne sensim furcatum aut hiciniatum. 

 Ut prolongatur hoc. costa evidentior evadit, himinoe niarginantes 

 in nonnuliis ohliterantur ct stipes caulisve oritur, demum teretiu- 

 sculus ct ramosus. Laminie itaque stipitata^ aut ah ima basi in- 

 choantes, ohsoletius costatae aut costa percursae, lineares aut cu- 

 neato-flahellatae, sparse furcatae aut decomposite dichotoniEe, fere 

 in omnihus insuper foliolis prolificantihus ramosK. Suhstantia 

 frondes memhranacea^ sunt, at satis firmoe, colore e roseo purpu- 

 rascentes. Duplici stratu frons contexta est. Cellulas niedia^ ohlongas 

 aiiguhatre, in costa et caule magis longitudinales, exteriores sensim 

 minores et magis verticales, cellulis superficialihus minutis, verti- 

 caliter radiatis. Cystocarpia intra pericarpium proprium, sessile 

 aut pedicellatum, extus leve aut sffipissime tuherculis rotundatis 

 vel rugis elevatis insequale, nidulantia, a cellulis transformatis 

 strati medii orta. Carpospone rotundato-angulata^, plurimae intra 

 celhilas singulas evoluta^ demum memhrana cellularum obliterata, 

 in catervas distinctas conglomerataB hoc modo nucleuni compositum 

 efficientes. Pericarpium clausum, filis moniliformihus verticalihus 

 conflatum. — ,J. Ag. Sp. 11, p. 329. 



Subyen. I. Coccotylus (Kiietz.) J. Ag. Sp. II, p. 330: fronde subcaulesccnte, su- 

 peiMie i.'i lamiiias planas ccostatns expansa; pseudo-ncmatheciis splisericis, 

 ad apices laminaruin pluribus, pcdunculatis. 



1. Phyllophora Brodlaei (Turn.) J. Ag. Alg. mar. Med. p. 93, Sp. II, 434 

 p. 330, Epicr. p. 216, Harv. Phyc. Brit. t. 20, Kjellm. Alg. of 

 Arctic Sea p. 163, Hauck Meeresalgen Deut. u. Oest. p. 140, f. 57 a, 

 Johnst. & Croall Brit. Sea Weeds II, p. 37, t. 80, Darbish. Phyl- 

 loph. Westl. Ostsee fig. 3-4, 13-15, 18-25, 27-33, 38-39, 46-47, 

 Fucus Bpodicei Turn. Fuc. II, p. 1, t. 72, Sm. Engl. Bot. t. 1966, 

 FI. Dan. t. 1476 et 2135, f. 2 (excl. var. /:.), Aresch. Enum. p. 83, 

 t. III A, Sphcerococcus Bpodicei Ag. Sp. Alg. I, p. 239, Syst. p. 213, 



') Sec. Buffham anthcridia l'hyllophorce membianifoliije ab iis PAyllopliorce 

 rubentls omnino ditlerunt. 



