PL cell. aph. 2.THAL4SSIOPHYTiE. 37. Hutchin. SSS 
b. Thallus tubular , solid ; joints streaked lengthways. 
3. Hutchinsia fucoides . Wracklike hutchins. 
Threads very much branched, diffused, rather cartilagi- 
nous, brownish-black; twigs horizontally spreading, forked; 
last twigs alternate, bent inwards, pointed ; joints rather 
longer than broad. 
Conferva fucoides, Huds. FI. Ansi. G08 ; Dill us. Conf. 75; Engl. Bot. 
1743. 
Ceramium violaceum, Roth Cat. 1, 150. 
Hulcliinsia violacea, Agardh Syn. 54 ? 
Sea-shore ; July to September. 
Thallus very bushy, 3 to 12 inches high; outline orbi- 
cular, blackish brown when- dry,. elastic'; joint's composed 
of a simple series of small oblique veins. 
4. Hidchinsia nigrescens. Blackish hutchins . 
Threads very much branched, stiff, rather cartilaginous, 
brownish black; twigs upright, forked, pointed; joints ra- 
ther longer than broad. 
Conferva nigrescens, Huds. FI. Angl. 602? Engl. Hot. 1717. 
Sea-coasts. 
Thallus closely tufted, 4 to 6 inches high, outline nar- 
row wedgeshape; main filament very thick; branches and 
twigs straight, upright. 
5. Hutchinsia fibrata. Threaded hutchins. 
Threads branched, reddish purple ; branches forked; twigs 
rather bundled ; tips furnished with pellucid jointed fibres ; 
joints of the stem long, of the twigs as long as broad. 
Cbnferva fibrata, Dillm. Syn. 159 ; Engl. Bot. 2139. 
Sea-shore, on marine plants. 
Thallus closely tufted, 2 or 3 inches high ; end of the 
twigs often pellucid, colourless, fringed with many long, 
slender, forked, transparent fibres. 
6. Hutchinsia urceolata. Pitcher hutchins. 
Threads much branched, diffuse, reddish brown ; twigs 
spreading, short; joints of the stem longer, of the twigs 
shorter than broad ; veins few ; thecce pitchershape. 
Conferva nigrescens, Huds. FI. Angl. 602 ? 
Conferva urceolata, Dillw. Syn. 156 ; Engl. Bot. 2365. 
Sea-shores on rocks, or marine plants. 
