

1012 Eu-Florideae, Lopliothalieae, Brongniartella. 



Tetrasporangia in ramulis leviter verrucosis admodum sparsa (ple- 

 rumque) proveniunt. Articuli ubique conspicui, in media parte 

 ramorum diametro suboequales et geniculis elevatis nodosi, infe- 

 riores et ramulorum breviores, diametrum dimidium parum su- 

 perantes. Transversali sectione conspiciuntur sipbones 7 (nunc, 

 suadente J. Agardb, 8, ut babet pro P. Patersonis clarus Kuetzing), 

 circa centralem, cortice nullo cincti. Color algae exsiccatoe purpureo- 

 fuscescens. Specimina chartae arcte adhoerent. 



4. Brongniartella strobilifera (J. Ag.) Schmitz die Gattung Lophothalia 1673 

 (1893) p. 218, Lophothalia strobilifera J. Ag. Till Algernes Sy- 

 stematik XI (1890) pag. 60, t. 2, f. 3. — Fronde sursum longe 

 corticata, tereti, pinnatim decomposito-ramosa, ramis minoribus sub- 

 fasciculatim a rachide adultiore pullulantibus inferne nudiusculis, 

 superne squarroso-ramellosis, ramellis monosiphoniis rigidiusculis, 

 inferioribus plerumque abruptis, superioribus subincurvis; articulis 

 omniuni cylindraceis, diametro vix sesquilongioribus; stichidiis 

 crassis, torulosis, quasi tuinida expansione spiraliter adscendente 

 rachidem circumdantibus ; cystocarpiis ovato-subglobosis, pedicello 

 brevissimo suffultis, sat magnis. 



Hab. ad oras australes Novse Hollandise. — Inter majores et 

 robustiores species Dasyam scopuliferam Harv. hoc respectu 

 aequans. Rachides ramorum principalium crassitiem fere pennoe cor- 

 vinoe oequant. Sectione transversali ramuli conspiciuntur siphones pe- 

 ricentrales 7, intra stratum corticale sat distinctum. Ramelli a basi 

 monosiphonii (a rachide polysiphonia exeuntes) patentes ac rigi- 

 diusculi, inferiores ssepe abrupti, pauci in apicem obtusiusculum 

 parum attenuatum desinentes, superiores paulisper incurvi, omnes 

 cylindracei (nec ad genicula articuloruin contracti). Stichidia ex 

 apicibus ramellosis ramulorum formata, valida, ramellis abruptis 

 borridula. 



5. Brongniartella mucronata (Harv.) Schinitz Die Gattung Lophotha- 1674 

 lia (1893) p. 218, Falkenb. Rhodomelaceen (1901) p. 548, Dasya 

 mucronata Harv. Nereis Bor. Amer. II, p. 63, J. Ag. Sp. II, 3, 



p. 1224, Kuetz. Tab. Phyc. XIV, t. 70, f. d-e (stichidifera), Lo- 

 phothalia mucronata J. Ag. Till Algem. Syst. XI, p. 61. — Fronde 

 teretiuscula, elongata, vage pinnatim ramosa, tota corticata, caule 

 ramisque majoribus inferne nudis, superne et minoribus fere per 

 totam longitudinem ramuloso-squarrosis, ramulis a strato corticali 

 quoquoversum exeuntibus, a basi monosiphoniis densissime dicho- 

 tomis, inferioribus sensim abruptis superioribusque divaricato-in- 



