Pl.cell.aph. 1. HYDROPHYTE. 25 . Conferva. 515 
48 . Conferva fiacca . Flagging crowsilk. 
Threads simple, slender, bristlelike, very minute, flaccid; 
joints rather shorter than broad ; knots pellucid, contracted. 
Conferva flacca, Dillwyn , 49. 
On stones, or wood in the sea, and on marine plants. 
c. Coloured , brownish , marine . 
49 . Conferva curt a. Short crowsilk . 
Threads simple, in bundles, nearly cartilaginous, short, 
attenuated below, olive brown ; joints rather longer than 
broad ; knots pellucid, contracted. 
Conferva curta, Dillwyn , 76 ; Engl . Hot. 2084. 
On marine plants. 
Threads nearly upright, light brown. 
50 . Conferva flaccida. Flaccid crowsilk . 
Threads simple, in bundles, short, flaccid, straight, 
broader at bottom, attenuated at the tip, light brown ; 
lower joints shorter than they are broad ; upper longer. 
Conferva flaccida, Dillwyn, 6. 
On marine plants. 
Tufts half an inch long; threads rather cartilaginous. 
5 1 . Conferva fucicola. Fucus crowsilk. 
Threads simple, slender, tufted, straight, short, blunt, 
iron-brown ; joints twice as long as broad ; knots pellucid. 
Conferva fucicola, Velley Marine , PI. 4 ; Dillwyn , 66. 
Conferva ferruginea, Roth Cat. 3,274. 
Coiiferva fucorurn, Roth Cat. 3, 273. 
On marine plants. 
Tufts half an inch long; threads from a shieldlike base, 
tip attenuated, blunt. 
c 
52 . Conferva scutellaia. Saucer crowsilk. 
Tufts depressed, peltate, closely entangled, rooted in the 
centre; threads branched at the bottom; joints as long as 
broad. 
Conferva scutellaia, Engl. Bot. 2311. 
Parasitical on the apothecia of himanthalia loreus. 
Threads above simple, long; below having a few T short 
alternate branches, entangled into a dense, viscid, pale ap- 
parently homogeneous mass. 
