2tG Tetrasporiflae, Dictyotacoco, Spr.thoglossUin. 



Habitus fere Zonarkr variegatcr \\\ Kuetz. Tab. Phyc. XT, t. 73, 

 h. e. Padina^ Durvillan Bory. 



9. Padina Fraseri (Grev.) J. Ag. Sp. I, p. 114, Till Algern. System. 385 

 V, p. 120, Zonaria Fraseri Grev. in Nova Acta Nat. Curios. XIX, 

 p. 423, t. 26, f. 2 (excl. synonym.), Kuetz. Sp. p. 565. Z.onaria 

 Pavonia var. fiiscescens Ag. Syst. p. 263. — Fronde subcoriacea, 

 fuscescente, alte stuposa, flabellata, multoties divisa, segmentis lon- 

 gissime cuneatis, basi subconcentrice stuposis, pruinosis. 



Hab. ad oras Novae Hollandiae (Fraser, Preiss); an eadem ad pen- 

 insulam Indostanise (Wight, J. Agardh) et ad Portum Natalensem ? 

 (Martens). 



SPATHOGLOSSUM Kuetz. [1843] Phyc. gener. p. 339 (Spatoglosswn), 

 Sp. p. 560 excl. sp., em. J. Ag. [1880] Till Algern. System. Y, 

 p. 111, Analecta cont. I, p. 35 (Etym. spatha ensis et glossa 

 lingua), Derb. in Ann. Sc. Nat. (Botan.), 1856, p. 216, t. 14, f. 9- 

 10, De Toni Syst. Uebers. Fucoid. 1891, p. 175, Ardiss. Phyc. 

 Med. I, p. 484, Taonice, Dicti/oto', Laminarice, Ulva% ZonaricK, 

 sp. auct. — Frons plana, ecostata, subpalmato-dichotoma, stratis 

 cellularum duobus constituta, interiore e cellulis inanibus angulo- 

 sis secus series plures dispositis, exteriore e cellulis cubicis, vix 

 ceteris minoribus, ad superficiem secus lineas parall elas rectas or- 

 dinatis constante. Spone (oospome) in utraque pagina frondis spar- 

 sa3, singulse aut binae, raro plures aggregatae; tetrasporae ignotae; 

 antheridia in soros sparsos vix prominentcs collecta, in diversis 

 individuis evoluta. 



Obs. Series cellularum supremse margines versus flabellatim 

 radiantes excurrunt. 



I. Species fronde, a facie inspecta, conspicne areolata, areoiav um seriebus 

 longitudinalibus in disco longitudinaliter excurrentibus parallelis, dein extror- 

 sum margines versus radiantibus, zonis areoJarura transversalibus admodum 

 conspicuis arcuatis, sursum convexis, inferiori sua parte, deorsum decurrentibus 

 lineas marginalcs formantibus. 



1. Spathoglossum cornigerum J. Ag. Analecta algologica cont. I, p. ^s,-, 

 35. — Frondium laciniis principalibus subpalmatisectis, superio- 

 ribus dichotomis linearibus, infra bifurcationes dilatatis, segmentis 

 supremis saepe extrorsum integriusculis, interiore latere supra si- 

 num rotundatum lacinulas minores sensim excrescentes gerentibus. 

 llah. ad oras australes Novlg Hollandia; « Ncw Soutli Wales » 



