Pi. cell. aph. 1. HYDROPHYTE. 25. Conferva. 313 
Conferva compacts, Roth FI. Germ. 497. 
Conferva rivularis, Dillwyn y 30 ; Engl. Bot. 1654. 
Rivers and rivulets; June and July. 
Threads about 100th of an inch thick, sometimes less. 
40. Conferva lipartita. Two-parted crowsilk . 
Threads simple, slender, very long, densely compacted, 
yellow green ; joints 2 or 3 times as long as broad ; granules 
forming 2 transverse bands in each joint. 
Conferva bipartita, Dillwyn , 105; Engl. Bot. 2302 ? 
Conferva semistriangulata, Roth. 
Salt ditches; July. 
Joints vary from as long as broad, Eng. Bot. to 3 times 
as long as broad, as in Dillwyn. 
41. Conferva linoides. Flaxlike croivsilk. 
Threads simple, very long, rather thick and stiff, curled, 
brittle, loosely entangled, green ; joints as long as broad; 
when dry cylindrical. 
Conferva palustris seu Filurn marinum Anglicum, Rail Syn. 60, 16. 
Conferva filamentis longis geniculatis simplicibus, Dillen Muse. 25. 
Conferva capillaris, Hudson FI. Angl. 598. 
Conferva Linum, FI. Ban. 771 ; Engl. Bot. 2364. 
Conferva Melagonium, FI. Dan. 1438. 
Marsh thread. 
Stagnant salt-ponds, and in the sea. 
Threads dull green, elastic, slimy, rather even; knots 
pellucid. 
0. minor. Threads 3 times slenderer. 
Inland ditches. 
42. Conferva aere a. Brazen crowsilk . 
Threads simple, stiff, rather thick, straight, light green ; 
joints broader than long; knots pellucid. 
Conferva serea, Dillwyn , 80; Engl. Bot. 1929. 
Sea-coasts on wood or stones. 
Tufts bright verdigris green, 3 to 5 inches long, fluc- 
tuating ; granules forming two bands. 
£. luhrica. Threads very soft, slippery, glossy. 
43. Conferva Melagonalis. Blacksided crowsilk. 
Threads simple* stiff, rather thick, straight, dark green; 
joints cylindrical, 3 times as long as broad. 
Conferva Melag°nium, Weber et Mohr. Reiscj 194. 
Conferva area, var. Dillwyn Descript. 80. 
