Eu-FIorideie, Coralliuaceae, Mastophora. 1775 



Uah. ad Portiun Natalenscm Afi'ic;e australis, .lavain, nec noii 

 oram Nov;e Hollandi;e ;iustralein a fluvio OyKnioruin (Sondeu) usque 

 ;id «Port Philipp» ubi frequetiter. — Callus radic;ilis sat magnus 

 discoideus. Frons usque 10-15 cm. longa, coloris nunc purpuni- 

 scentis nunc et forsan sgepius virescentis, in cretaceo-albidiiiu 

 denique abeuntis. Stipites ex eodem callo radicali plures, plerum- 

 que 1-2 mm lati, plus minus evidenter subalati, nnirgine ssepe 

 irregulariter dentati, irregubiriter dichotomi vel forsan potins pin- 

 nato-dichotomi; rami ramulique veluti costse plus minus evidenter 

 nunc inferne nunc superius in segmenta evanescentes. Segmenta 

 2,5 cm. longa aut breviora, inferne calcareo-pruinosa, superne 

 sublevia. margine plus minus involuta, basi cuneata apiceque fla- 

 bollata integra lobata, lobis 2-(),5 millim. fere latis rotundatis. 

 Conceptacula frequeiitia, magnitudine et situ ut in sequentibus ge- 

 neris speciebus. 



Mastophora plana fSond.) Harv. Nereis Australis p. 108, Kuetz. 2857 

 T;il). Phyc. VIH, t. 98, f. a-g, Melohesia plana Sond. in Botan. 

 Zeitung 1842, p. 55, Alg. trop. Austral. p. 54 (in Carpopeltide 

 capitellata ad Gap. York), Maslophora foliacea Kuetz. Tab. 

 Phyc. VIH, t. 100, f. e-h, Melohesia foliacea Kuetz. Sp. p. 697, 

 Aresch. in J. Ag. Sp. H, p. 518, non Mastophora macrocarpa Mont. 

 — Stipite lineari, subregulariter dichotomo, ramis in segmenta 

 Inisi attenuata incisa apiceque subovato-rotundata bifida margine 

 plana subtusque pruinosa subevanescentibus. 



Hah. ad exitum fluvii Cygnorum Nov;e Hollandice (Sonder) ; ad 

 Algas ex archipelago Mariannarum provenientes (Kuetzing). — 

 Frons circiter 6-7 cm. longa, coloris sordide rosei. Caulis ut in M. 

 Lamouronxii linearis, sed fere niox magis regulariter in seginenta 

 dichotoma abiens. Segmenta longitudine circiter 2,5 cm. basi qui- 

 dem attenuata, sed quam in M. Lamourouxii latiora, incisa, apice 

 integra aut bifida, lobis ovato-rotundatis, fere ut in Ckondro crispo, 

 4-6,5 millim. lata. Conceptacula et striae ut in ceteris speciebus. 



Mastophora hypoleuca Harv. Nereis austral. p. 108, t. XLI, Aresch. 2858 

 iii J. Ag. Sp. H, p. 527. — Stipite lineari, irregulariter dichotomo, 

 ramis in segmenta cuneiformia laciniata subevanescentibus, laciniis 

 linearibus margine involutis subtus albo-lanatis stictisque nigris 

 depressis conspersis. 



Hah. ad Portuni Natalensem Africa; australis (Gueinzius). — 

 Frons 6-9 cm. longa, ramosissima, irregulariter dichotom;i, non 

 fastigiata. Rami in segmenta furcata, cuneata, margine involuta 



