Pl. cell.aph. 1. HYDROPHYTZ. 4. Elisa. 283° 
Stones in rapid rivulets. 
Rings close, rounded off at each end, leaving peliucid 
intervals here and there. 
3. Elisa distorta. Mis-shapen elisa. 
Fresh water; threads branched, bluish green, rather 
stiff, upright, tufted. 
Conferya distorta, Engl. Bot, 2577. 
Oscillatoria distorta, Agardh Disp. ed. 1, 37. 
Decayed grass in boggy pools. 
Tufts thick, short ; “threads equal, etitanaled' avalee 
rather distant. 
4, Elisa mirabilis. Wonderful elisa. 
Fresh water ; threads rather short, stiff, bluish green, 
bending and uniting side by side at the bend entangled 
into a piece mat. 
Conferva mirabilis, Dilhoyn 96. 
Fresh waters. 
Rings very close. 
5. Elisa genuflexa. Kneebent elisa. 
Marine; threads rather short, stiff, pale blue, bending 
and uniting side by side at the bend: entangled into a close 
mat. 
Conferva mirabilis, Engl. Bot. 2219, 
On marine plants. 
Tufts half an inch high, uniting and divaricating, then 
uniting again; covered with a rather hor ny coat; sporangia 
as long as broad. 
6. Elisa majuscula. Largish elisa. 
Marine ; threads very long, yellowish, entangled into a 
very dense, cylindrical, oblong, fluctuating mat. 
Oscillatoria majuscula, Jurin Alg. Dec. 4, 7. 
Oscillatoria eruginosa violacea, Agardh Syn. 109. 
Floating in the sea and on zostera marina. 
Tufts four inches long and three broad, blunt, brown 
or blackish; threads equal; rings very Giese, 
8. ramosa. Filaments uniting as if branched, either by 
the end, or side by side. 
Conferva majuscula, Dillwyn Syn. 40, 15, 
