138 Cyclosporinre, Sargass.icese, CystophoiM. 



pedicello 2-4,5 millim. longo suffulta3, fere semper ad ipsum cauleui 

 aut ad primarios ramos adfixa^. 



2. Cystophora Cephalornithos (Lal)ill.) J. Ag. Sp. I, p. 340, Facus ?25 

 CephalornUhos Labill. Pl. Nov. Holl. tali. 261, Cystoseira Ceplia- 

 lornithos Ag. Syst. p. 291, Blossevillea Ceplialornitlios Kuetz. Sp. 

 p. 631, Tab. Pliyc. X, t. 83, f. II, Caulocijstis Cephalornithos Aresch. 

 Phyc. extraeurop. p. 9 (335). — Caule tereti indiviso, ramis un- 

 dique egredLeutilnis pinnatim ranuilosis, ramulis filiformibus, ulti- 

 mis in receptacula cylindracea abeuntibus; vesiculis cylindraceo- 

 ellipsoideis, apiculatis. e caule egredientibus. 



Hah. in mari australi ad «Cap. v. Diemen » (Labillardiere); ad 

 « Port Phillip » (Hb. Areschoug, Hb. Zanardini). — xV callo ra- 

 dicali hemispha-rico-scutato caulis teres brevissimus surgit. mox 

 in ramos primarios elongatos et fasciculatim exeuntes divisus. 

 Rami secundarii tenuiores, abbreviati. 4-7 cm. longi, superiores 

 sensim breviores, juniores subdichotomi demum piunulati, ramulis 

 ultimis onmino liliformibus 4-5 cm. longis et seta parum crassio- 

 ribus, punctis proininentibus scabriusculi. Vesiculre e caule fere 

 semper egredientes, petiolo 4-6,5 millim. longo, capillari suffultie, 

 9 mm. circiter longse et transversali diametro 2 millim. aMpiantes, 

 apiculo brevi terminatie. Receptacula ex apicibus intumentibus 

 ramulorum orta, cylindracea at utrinque attenuata, vesiculis paulo 

 longiora, triplo tenuiora, hermaphroditica; oogonia (asci Areschoug) 

 110 f/. longa. non dense aggregata, membrana tenui instructa; an- 

 theridia frequentissima; paraphyses siibsimplices, clavatfe. 



B. EucYSTOPHORA. — Vesicul» in ramulis ultimi ordinis (ramulorum loco) 

 cYolutae 



I. Species seapliidiis in re.ieptaculo aut plano aut subcompresso subregu- 

 lariter biseriatis, rarissime in receptaculo triquetro triseriatis, ostiolis scaplii- 

 diorum ipsos margines receptaculi aut lineam utrinque submarginalem scr- 

 vantibus. 



* Tota planta subdisticlie pinnata, pinnis pinnatifidis, racliide costata. 



3. Cystophora Piatylobium (Mert.) .1. Ag. Sp. I, p. 245, Om Chatliam- 220 

 oai-nos Alg. p. 440. Fucus PlatyloUum Mert. Mem. p. 11, Cysto- 

 seira Platylohium Ag. Sp. p. 43, Syst. p. 288, Cystophora Lyallii 

 Hook. et Harv. FI. New Zeal. p. 214, t. 118. Platylohium Mcrtensii 

 Kuetz. Sp. p. 60(;. — Caule compresso, subplano. decomposito-pin- 

 nato. pinnis distichis a margine egredientibus. pinnulis ultiuiis iu 

 racliidc costata nlteruis pedicellatis lanceolatis in reccptHcula con- 

 fonuia plana. al)euntil)us; vesiculis spha-ricis. muticis. 



