Pl.cell. aph. 1. HYDROPHYT. 25. Conferva. 311 
Conferva oscillatorioides, Agardh Disp, ed. 1, 29. 
Conferva fugacissima oscillatorioides, Lyngbye Hydr. Dan. 137. 
Ditches, adhering to grass. 
‘ 
32. Conferva punctalis. Dot crowsilk. 
Threads simple, very slender, rather slimy, long; joinés 
about twice as long as broad; granules collapsing into a 
solitary globule. 
Conferva punctalis, Dillwyn, 51. 
Conferva brevi-articulata, Mohr in Schrader Journ. 1801, 475. 
Ditches and running water. 
Tufts about an inch long; threads twice as thick as 
c. floccosa, pale yellowish green. 
f 
33. Conferva xonata. Girded crowsilk. 
Threads simple, slender, slimy; joints as long as broad ; 
granules in a transverse band. 
Conferva zonata, Roth Cat. 2, 269. 
Conferva lucens, Dillwyn, 47; Engl. Bot. 1655. 
Lakes and rapid streams. 
Tufts gelatinous; threads 2 to 4 inches long, tapering, 
acute. 
34. Conferva dissiliens. Parting crowsilk. 
Threads simple, slender, equal, straight, slimy, brittle; 
joints half as long as broad; at length separating from one 
another. 
Conferva distliens, Dillwyn, 63; Engl. Bot. 4464. 
Diatoma? dissiliens, Agardh Disp. ed. 1, 34. 
Ditches. 
Tufts floating ; joints hyaline, with a transverse or ovate 
spot in the centre. 
35. Conferva mucosa. Mucous crowsilk. 
Threads simple, very slender, slimy, yellowish green ; 
joints rather torose, about as long as broad. 
Conferva mucosa, Dillwyn, 46. 
Stagnant pools. 
: Tufts floating; threads straight, 3 inches long, very 
slimy. 
36. Conferva vesicata. Bladdered crowsilk. 
Threads simple, slender; joints here and there inflated, 
and proliferous, rather longer than broad. _ 
