36. Ellis. 2.THALASSIOPHYTZE. PLcellaph. 
2. Ellisius coccineus. Scarlet ellis. 
Threads much branched, scarlet; stem thick, shaggy, 
obscurely jointed ; branches alternately doubly pinnate ; 
lobes many-cut, tufted, jointed ; joints rather shorter than 
broad. 
Conferva coceinea, Huds. Fl.Angl. 603; Engl. Bot . 1055; Bilim, Conf.3. 
** Conferva plumosa, Lightf. Scot. 966. 
Sea-shore. 
Main stem, rough ; younger branches bright scarlet ; thecce 
ovate and lanceolate. 
/3. tenuior. Threads slender, twigs short, and less fea- 
thered. 
XII. 37. HUTCHINSIA. Agardh. Hutchins. 
Thallus rose-red, branched, jointed; joints with a central 
tube, all compound, streaked, or composed of many pa- 
rallel longitudinal lines ; thecce external, ovate, lateral, 
or immersed in the tips of the branches. —-Marine. 
a. Threads pervaded by 4 tubes , veined in network j branches 
long , bristlelike . 
1. Hutchinsia elongata. Long hutchins. 
Threads much branched, cartilaginous, purple; branches 
and twigs bristlelike, long, very slender, stiff; joints half 
as long as broad ; lower joints obsolete, veined in network. 
Conferva elongata, Bilim. Conf. 33 ; Engl. Bot. 4229. 
Geramium elongatum, Both Cat. 3, 128. 
Hutchinsia elongata, Agardh Syn. 54. 
Lobster-horn conferva. 
Sea-shore; October. 
Thallus spreading, 3 to 12 inches high, purplish brown ; 
branches and twigs narrower at both ends ; joints veiny, 
rather straight, angles of the branches rounded. 
2. Hutchinsia brachygona. Short-jointed hutchins . 
Thallus diffused, vaguely branched ; branches rather re- 
mote, spreading ; twigs mostly simple, attenuated ; joints 
half as long as broad, veined in network. 
Fucus diffusus, Huds. FI. Angl. 589. 
Geramium brachygonum, Lyngbye Hydr. Ban. 118. 
Sea-shore, on the rocks ; annual ; spring and summer. 
Thallus red, when dry blackish, stiff. 
