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346 46.Scytosip.2.THALASSIOPHYTiE. Pl.celLaph.
Ulva compressa, Lin. S. P. 1032 ; Engl. Bot. 1739.
Ulva marina tenuissima et compressa, Raii Syn. 63,5.
Treinella marina (eimissima et compiessa, Dillen Muse. 48.
Conferva compressa, Roth Cat. !, 163.
Conferva crinila, Ruth Cat. 2, 191.
Scytos'iphon compyessus, Lyngbye Hydr, Van. 6i.
Sea-shore.
TliaUiis polymorphous, narrower at bottom, simple or
branched ;
branches narrower at bottom, mostly simple.
b. Clathrata. Thallus green, li-anched, veined in squares
like casement-ivmdows ; sporidia in each cell.
3. Sci/toslphon rajnulosiis. Smoll-Lranched leathernpipe.
Thallus green, membranaceous, tubular, much branched,
rather compressed; branches thickest above; tivigs scattered,
very numerous, pointed.
Ulva ramuiosa, Engl. Bot. 2137.
Sea-shore.
Thalli numerous, aggregated, 2 inches high ; branches
awlshaped.
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