7” a 
} 
884 36. Ellis. 2. THALASSIOPHYTA. Pl.cell. aph. 
2. Ellisius coccineus. Scarlet ellis. 
Threads much branched, scarlet; stem thick, shaggy, 
obscurely jointed ; branches alternately doubly pinnate; 
lobes many-cut, tufted, jointed; joimts rather shorter than 
broad. 
Conferva coccinea, Huds. Fl, Angl. 603; Engl. Bot. 10553 Dillw. Conf,3. 
Conferva plumosa, Lightf. Scot. 966. 
Sea-shore. 
Main stem rough; younger branches bright scarlet; thece 
ovate and lanceolate. 
8. 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; t¢hece external, ovate, lateral, 
or immersed in the tips of the branches. —Marine. 
a. Threads pervaded by 4 tubes, veined in network ; branches 
long, bristlelike. 
1. Hutchinsia elongata. Long hutchins. 
Threads much branched, cartilaginous, purple; branches 
and twigs bristlelike, long, very slender, stiff; joimés haif 
as long as broad; lower joints obsolete, veined in network. 
‘Conferva elongata, Dillw. Conf.33; Engl. Bot.4229. 
Ceramium elongatum, Roth 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; joins 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 ; joits 
half as long as broad, veined in network. 
Fucus diffusus, Huds. Fl. Angl. 589. 
Ceramium brachygonum, Lyngbye Hydr. Dan. 118. 
Sea-shore, on the rocks; annual; spring and ‘summer. 
Thallus red, when dry blackish, stiff. 
