Simmons, Remarks about the Relations of the Floras etc. 177 
Table VIII. 
Families and 
genera 
North Atlantic 
Warmer Atlantic 
North Pacific 
Warmer Pacific 
Indian Ocean 
South temperate 
and antarctic Seas 
Families and 
genera 
North Atlantic 
Warmer Atlantic | 
North Pacific 
Warmer Pacific 
Indian Ocean 
South temperate 
and antarctic Seas 
Phaeophyceae . 
Physematoplea 1. 
X 
Ectocarpaceae 
— 
Pogotrichum 1 ? 
X 
Pylaiella 
X 
X 
X 
X 
X 
Scytosiphon 
X 
X 
X 
X 
Ectocarpus 
X 
X 
X 
X 
X 
X 
Phyllitis 
X 
X 
X 
X 
Streblonema 
X 
X 
? 
Striariaceae 
— 
Microsyphar 1. 
X 
Kjellmania 
X 
Phycocelis 
X 
X 
Coelocladia 1. 
2 ) 
Dermatocelis 1. 
X 
Phleospora 
X 
X 
X 
p 
X 
Symphyocarpus 1. 
X 
* Striaria 1. 
X 
X 
Phaeostroma 
X 
" 
Desmarestiaceae 
— 
Isthmoplea 1? 
X 
Desmarestia 
X 
X 
X 
X 
X 
(Chor ist ocarpa- 
ceae) 
x ) 
D i Pt y osiphona- 
ceae 
Sphacelariaceae 
Dictyosiphon 
X 
X 
p 
Sphacelaria 
X 
X 
X 
X 
X 
X 
(Myriotrichia- 
Chaetopteris 1. 
X 
p 
X 
ceae) 
* Cladostephus 
X 
X 
X 
X 
X 
Elachistaceae 
Encoeliaceae 
Leptonema 1. 
X 
* Desmotrichum 
X 
X 
Elachista 
X 
X 
X 
X 
Punctaria 
X 
X 
Chordariaceae 
— 
Lithosiphon 
X 
1 
* Myrionema 
X 
X 
X 
X 
Coilodesme 
X 
X 
Eudesme 
X 
X 
? 
Omphalophyllum 
X 
* Castagneci 
X 
X 
X 
1. 
Myriocladia 
X 
X 
X 
X 
Phaeosaccion 1. 
X 
* Leathesia 
X 
X 
p 
J ) Only mediterranean. 
2 ) Endemie in Greenland. 
Beihefte Bot. Centralbl. Bd. XIX. Abt. II. Heft 1. 
12 
