SOB 25. Conferva. 1. HYDROPHYTE. El.ceU.aph. 
18 .Conferva Hutchinsia . Hutchins’ crow silk. 
Threads very much branched, bent, rather cartilaginous, 
brittle, glaucous green ; branches and twigs scattered, smallest 
1 -rowed, adpressed ; joints torulose, twice as long as broad. 
Conferva Hutchinsia, Dillwyn , 65. 
Conferva centralis, Lyngbye Hydr. Dan. 161 ? 
Sea-shores; spring. 
19 . Conferva, nana. Dwarf crow silk. 
Threads pale reddish green, branched, very minute, in 
tufts; branches and twigs alternate, pointed, remote; joints 
2 or 3 times as long as broad ; knots obscure. 
Conferva nana, Dillwyn , 30. 
On fontinalis antipyretica, in alpine rivers. 
Tufts about half an inch long, pale reddish. 
20 . Conferva vini . Wine crows ilk. 
Tufts brownish yellow; threads hyaline, much branched, 
entangled; branches attenuated, acute, twice as long as 
broad. 
Conferva vini, Agardh Syn. 72. 
In Madeira wine. 
Tufts cloudlike, floating, an inch broad, brownish yellow 
threads very slender indeed. 
21 . Conferva stellar is. Starry crowsilk . 
Threads hyaline, arising parallelly from an orbicular 
basis, very minute, equal. 
Conferva stellaris, FI. Dan. 660. 
On the inside of glass bottles. 
Shoots green, about a line in diameter, edges stellate; 
threads about an inch long, branched ; branches remote, al- 
ternate; joints 4 or 5 times as long as broad. 
22 . Conferva cegagropilaris. Hairball crowsilk . 
Threads arising from a common centre, forming a globe, 
much branched; branches rather crowded, blunt; joints 
4 times as long as broad ; rather swollen above. 
Conferva iEgagropila, Lin. Sp. PI. 1637 ; Engl. Bat. 1377. 
Moor balls. 
Bottom of alpine lakes. 
Balls dark green, from the size of a pea to 3 inches 
diameter, exactly spherical, hollow ; branches rather spread- 
ing; knots pellucid, when dry contracted. 
