XXXIV 



More or less soft and threadlike. Genus. Fam. 



Bushy; nearly opaque; marked by lines across . . Bttiphl^a VII 



„ „ not marked by lines across . Rhodomela VII 



Dull purple; entangled; tips strongly curled inwards Bostrtchia VII 

 Hose-red; set throughout with . exactly opposite 



branchlets ....... Bonnemaisonia VIII 



Rose-red; irregularly forked; tips forked and hooked in Microcladia XIX 



„ gelatinous; tubular; stems thick in the middle, 

 gradually tapering to both ends; repeatedly re- 

 branched Chtlocladia XVIII 



„ gelatinous; loose-feeling; bushy; branchlets 



crowded; generally opposite; very slender . . GrLOisiPHOJsriAXVIII 



., gelatinous ; loose-feeling ; branches and branch- 

 lets alternate; having a beaded appearance; tips 



pointed Dudeesj^'aia XIX 



„ gelatinous; loose-feeling; branches chiefly 



opposite; branchlets with blunt tips . . Helminthoea XV 



„ gelatinous; branches spreading all ways; 

 branchlets slender; often swollen in the middle; 



sometimes beaded ...... Naccaeia IX 



* 



— clothed with Jointed Eranchlet^^/z5. 



Stems robust, often hairy; branchletm^s tufted; 

 alternate ....... 



Dasta 



VII 



„ thickened by rings (ivliorls) of over- 

 lapping hYMiohleteens ..... 



IlALrEUS 



XIX 



,, marked by lines across; branchletee^zs 

 hairlike; fringing ...... 



Spteidia 



XVII 



„ undivided; repeatedly branched; branch- 

 \Qieens opposite, or in rings {ivJw7'Is) . 



Weat^^gelia 



IX 



Gelatinous; parasitic; hranchlete etis very short; in 

 close rings {whorls) ...... 



CEOrANIA 



XIX 



contracted at Intervals. 



Gelatinous. 



Contractions surrounded (tvhorled) by branches and 



branchlets Lomentaeia VIII 



Irregularly branched; contractions short and uniform 



throughout Champia VIII 



Dull purple; short; matted; contractions of different 



sizes Catanella XVIII 



Thick; repeatedly forked; contracted at the angles of 



divisions Scinaia XV 



Contractions strongly marked; bead-like; forming oval 



leaflets; fresh sets springing from each contraction Chtlocladia XVIII 



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