30 Cyelosporinae, Sargassaccae, Sarg-assum. 



deflexa, mox horizontalia, 10-15 ciii. longa, oblonga aut elliptica, 

 margine crenulata aut sparsim spinulosa; inter receptacula occur- 

 runt folia sparsa linearia 7-8 mm. longa et paullo ultra 2 mm. 

 lata. Vesicula? dimorph?e : foliis immixta^ globosa?., Pisi sativi semi- 

 num magnitudine, petiolis planis brevissimis insidentes, plerumque 

 folio subrotundo crenato coronatne; ali?e inter receptacula posita^ 

 elliptica^, aut elliptico-spha^rica^ vix Canndbis sativm seminibus 

 majores, mucrone setaceo aristata?. Receptacula in ramis panicu- 

 lata, versus apices frequentissima, 4-7,5 mm. longa. brevissime 

 pedunculata. 



** Recei)tacalis e tereti angulatis aut ancipitibus, dentibus minoribus si)ar- 

 sim obsitis. 



41. Sargassum globularlaefolium J. Ag. Sp. Sarg. Austral. pag. G9, 41 

 t. XX, III. — Caule communi teretiusculo breviore, rachidibus 

 ramorum obtusangulis, ramulis (minus conspicue) retrofractis, fo- 

 liis a latere phmo egredientibus, obovalis, obtusissimis, inferiori- 

 bus subcoriaceis integriusculis, superioribus tenuioribus margine 

 incequalibus nunc subdentatis; vesicuHs . . . . ; receptaculis e te- 

 reti compressis, superne spinulosis. 



Hab. ad oras austro-orientales Novge Holhindite, e. gr. ad « II- 

 hiwarra, Port Jackson, Sydney » (F. v. Mueller). — Phanta (ut 

 videtur, circiter pedalis), a scutello eodem radicali plus minus ex- 

 panso caules plures ima basi fere conicos emittens, quorum ab 

 apice rachides ramorum adscendunt magis obtusangula}. Folia in- 

 fima usque ad 7 cm. longa, subcoriacea et integriuscula, superiora 

 breviora, nunc subdentata, omnia obovata, costa in superioribus 

 sursum evanescente. Pteceptacula juniora inter bracteolas disposita, 

 2-4,5 mnL longa, e tereti compressa fere ohovato-Iancoidea, apice 

 dentihus paucis instructa, quasi ad divisionem prona. Forte ad 

 hanc speciem pertinet iS'. Ramsayanum J. Ag. mscr. [S. tristi- 

 dium var. integriasculum Grun. Alg. Novara p. 255). 



42. Sargassum inclsifolium (Turn.) J. Ag. Sp. I, p. 299 (var. incisi- 42 

 folid), Sp. Sarg. Austrah pag. 69, Fucus incisifolius Turn. Hist. 

 Fiic. IV, pag. 40, t. 214, Carpacanthus glomeratus Kuetz. Tab. 

 Phyc. XI, tab. 43, fig. II?. — Rachidihus ramorum triquetris, 

 ra.mis ad ortuni retrofractis e latere plano cgredientibus, dinior- 

 phis, inferioribus obovato-hincoohitis (cuneato-obovatis) acutc scr- 

 ratis (lcntatisvo seminorviis. superioribus enervil)us angustioribus ; 



