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Pag. 
NOMINA ALGARUM NOVARUM 
Florideae 
Antithamnion Plumula (Ellis) Tliur. var. spinescens Str'ômf. 381 
Callitliamnion ? spinuliferum At^diss 520 
Gallophyllis atro-sanguinea Hariot 333 
Geramium Dozei Hariot 333 
— radicans Ardiss 520 
Ghampia somalensis Hauck 520 
Ghrysymenia ? microphysa Hauck. ...... 12 
Gonstantinea ? Thiebautii Bornet . 12 
Gorallina hemisphaerica Foslie 521 
Gruoria? indica Hauck 521 
Delesseria Holmiana Strômfelt 453 
Desmia dichotoma Hauck. . 334 
Diploderma tenuissimum Strômfelt 144 
Episporium Moebius n. g. 
— Gentroceratis Moebius 13 
Gracilaria Krugiana Hauck 595 
Gloiocladia ramellifera Hauck 334 
Grateloupia somalensis Hauck 531 
Haematostagon Strômfelt n. g. 
— balanicola Strômfelt 144 
Halosaccion ramentaceum (L.) J. Ag. — /. hispida Strômf. . 301 
— scapala Strômfelt 144 
Hildenbrandtia Le-Gannellieri Hariot 334 
Hypnea? Krugiana Hauck 595 
Laurencia indica Hauck 521 
Lithophyllum laeve Strômfelt . 302 
Lithothamnion circurnscriptum Strômf. 301 
— mamillosum Hauck 13 
— Sonderi Hauck. . . . ^ 13 
Melobesia Gystosirae Hauck 13 
Nitophyllum carybdaeum Borp . . ... . . .77 
Peyssonellia adriatica Hauck 14 
Pterocladia? tripolitana De-Toni et Levi 522 
Thysanocladia ? Hildebrandtii Hauck 334 
