S9 



Ctctdmtephus, Ag. 5 Sp. 

 ka, Ag. 3 Sp, 

 inipietf Lamour. i Sp. 



XV. IJLvoiDFAE : AlgsB niQmbrana- 

 ceae, plans? vel tubulo8ae| continuse^ her« 

 baceo-virides. 



Eadix sciitnlata, vel rarius repens, vel nuU 

 la. Caulis niilhis. Frons raembranacea, plana 

 vcl tubulosaj «nervis, herbaceo*-viriciis, rarius 

 •purpurascens. Sporidia superficiei frondis im- 

 mersa, rarissime in apicibus frondis inflatis ag-> 

 gregata. Contextus celiulosus pierumijue re- 

 guiariso ^ 



Vduckevia^ Dcc 1-2 Sp, 

 Codium, Stackh. 6 Sp. 

 Bryopsis^ Lamour. 6 S^^. 

 "Caulerpay Lamour. 23 Sp. 

 Vivci^ Linn. 36 Sp. 

 Anadyomene, Lamour» i Sp. 

 Ammisiaf Lamowr, 5 Sp- 



XVL Floride^, Lamour, t Alg» 

 membranacese vel coriacege, plan» vel 

 fililormes, continuse, purpurese vel ro« 

 seae. Sporidia in capsulis externis in- 

 clusa, vel in soris aggregata. 



Radix scutata. Stipes brevissimus in fron^i» 

 dem expansam coriaceam, rarius membranace- 

 ^m, mox dilatatus , vel in filifbrmera ajbiensi 

 J*ructus saepe duplex, (alter videtur Nsup- 

 pkmentarius) , capsuiaj riimirum bemisphseri- 

 6«; cUus» vcl ir^regulariter dchiseejat**^ oc spo- 



ri4iA 



