riter palmatiiissus, segmentis elongatis, subula- 

 lis, intus celluloso-lacunosis, exlus mucosis. Con- 

 ceptacula per totum thallum sparsa. 

 hormosiba, ENDL. Thallus filiformis, ramo- 



CRVTTOGAMES. 



sus, ii lus ii, nodos tumens monUiformi-concatc- 

 natos, conceptaculis "I s<>ssos 

 ECKLONIA HOM. Thallus simplex, sùperne 

 hstulosus, apice in vesicam inflatus. Concepta- 

 cula m thallo marginalia, alternatim biseriafia 



isc. Myriodesma* serrulata. 



187. llimanlhrtlu Lprea 



188. Hormosira Banksii. 



Tunis II. (ASTOSElIiE/E. Conceptacula in sporothallis collecta. 



189.1 occophort 

 Lançsdorlii 



191. Cystocira barbala. 



11)2 Sargassum capillifolium. 



COCCOPHORA, GREV. Thallus filiformi-cylin- 

 dricus, ramulis filiformibus, lanceolato-tubulatis, 

 ampleclentibus . imbricalis, tectus. Sporothalli 

 rac moso-tcrminales, conceptaculis osliolo hian- 

 tihus. Vesiculœ nulla?. 



halidrys LYKGB. Thallusplnnus, linearis di 

 sliclie pinnalim ramosus, ramisinferne vesiculas 

 superne sporothallos gerentibus, pedunculatos, 

 compresso-lanccolntos, conceptacdlis ostiolohian- 

 tibus, Vesieulœ pedunculatx, iuius mulliseptata;, 

 lolîac o-mucronal  



blossevillea, DNE. Thallus planus pinnatim 

 ramosus, ramis c basi deflexa horizontalibus vel 

 nscendentihus. Sporothalli terminales, torulosi, 

 conceptaculis biscriatis, ostiolo hiantihus. 



CYSTOSEIRA. AG. Thallus ramosus, ramis infe- 

 rioribus saepe foliiformibus, superioribus iilifor- 

 mihus Sporothalli ramos vesiculiferos vel ra- 

 mulos filiformes terminantes, conceptaculis 

 inordinate confertis, ostiolo hiantihus. Vesicula 1 

 concatenataî. 



SARGASSUM. RUMPH. TballllS ramosus, ramis 

 filiformibus, pinnatifidisve. Sporothalli racemosi, 

 conceptaculis operculo conico, deciduo apertis, 

 Vesiculx stipitatœ. 



TURBINARIA, IIOHY. Thallus ramosus, ramis 

 pcltalis, turbinato-vesiculosis, triquetris, angulis 

 loliaceo-marginalis, denliculatis. Sporothalli coa- 

 cervato-racemusi terctes, conceptaculis longitu- 

 dinaliter multiseriatis, osliolo hiantihus 



1 LUez Myi'ititteniit 



