306 25. Conferva. 1. HYDROPHYTE. Pl.cell.apk. 
Alga sive Conferva fontinalis trichoides, Park. 1261, 1. 
Conferva fontinalis rainosissima, glomeratim confesta, Dillen in Rati 
Syn. 59, 8. 
Conferva glomerata, Lin. Sp. PI. 1637 ; Engl. Bot. 2192. 
Conferva cristata, Roth Cat. 1, 193. 
Conferva canalicularis, Girod Chnntr. Conf. 173. 
Folysperma glomerata. Voucher , 99. 
Chantransia glomerata, De Candolle FI. Fr. 2,51. 
Stones in running waters ; summer. 
Threads aggregate, 3 inches long, crowded, attenuated ; 
branches bundled towards the tip, stiff". 
11. Conferva Icetevirens. Light-green crow silk. 
Threads very much branched, rather stiff", bent like a 
bow, light green ; branches approximate, pointed, twigs 
short, alternately, facing one way ; joints 5 times as long 
.as broad. 
Conferva laetevirens, Dillwyn , 48; Engl. Bot. 1854. 
Conferva glomerata marina, Lyngbye Hydr. Dan. 154. 
Stones on the sea-shores. 
Tufts bushy, light green ; twigs pointing many together 
all on one side, then several together all to the other. 
12. Conferva albida. Whitish crow silk. 
Threads very much branched, in close tufts, greenish 
white, rather opake; branches clustered about 4 together ; 
twigs opposite, zigzag, the smallest nearly parallel; joints 
4 times as long as broad. 
Conferva marina tomentosn, tenerior et albicans, Dillen in Raii Syn. 
59, 13. 
Conferva albida, Hudson FI. Angl. 595 ; Engl. Bot. 2327. 
Sea-coasts; June and July. 
Tufts dull, opake, cottonlike, whitish ; threads 3 inches 
long, densely interwoven ; twigs nearly horizontal. 
f 3 . protensa. Threads 7 or 3 inches long, rather bushy, 
twigs spreading, mostly opposite, straight. 
13. Conferva pellucida. Transparent crow silk. 
Threads very much branched, stiff", light green ; branches 
mostly three together, blunt; joints 4 or 6 times as long as 
broad. 
Conferva pellucida, Hudson FI. Angl. 601 ; Engl. Bot. 1716. 
Sea-shore. 
Tufts large, green, shining, pellucid, 6 inches long; 
threads naked below, repeatedly branched above, cylin- 
drical. 
