2223 
Family CHATOPHORACEE. 
Myxonema Fries, Syst. Orb. Veg., p. 343, 1825. 
(Stigeoclonium Kiitz., 1843; Conferya Linn., 1753, pro pure.) 
tenue (Ag.) Rabh., Deutsch, Revate Flor. ii, p, 100,, 1847... 
subsecundum (Kiitz.) Hazen., Ulotr. & Chet: U.Si,, ps 207, Pl. 36, f. 3, 
1902. 
(Conferva subsecunda Kiitz., Alg. Dec., 146, 1836.) | 
Family. MICROTHAMNIACEA, 
Microthamnion. Nag., in Kitz, Spec. Alg., 352,,1849. 
Kiitzingianum Nig,, ibid. 
var. strictissimum (Rabh.) Taree), Prodr. Alg. Bahm., i,ip. 91, 1886. 
(M. vexator Cooke, Brits: Fry. Alg., 1882.) 
(M. strictissimum Rabh., Alg. Sachs., p. 829, 1859.) 
Family VAUGHERIACEA. 
Vaucheria D.C., Rapp. s. Conf., p..20, 1801. 
geminata (Vauch.) D.C., Fl. Franc., tome 2, » p; 62,1805; Vauch. 1803, 
Order Conjugatee, 
Family ZYGNEMACEZ. 
Sub-family Mesocarpea.. 
Mougeotia Ag., Syst. Alg., 1824, 
(Mesocarpus Hass., 1845; Craterospermum A. iene 1855; Pleuro- 
carpus A. Br., 1855; Staurospermum Kiitz., 18435 apes 
Cleve, 1868.) 
scalaris Hags., Obs. on Zygn., p..45, 1842. 
parvula Hass., Desc. of Frw. Conf, p. 4345, 1843,, 
elegantula Wittr., Got. och Olands Sotv. v. Als. p. 40; Pl. 3, f. 5-8, 1872. 
‘Sub-family Zygnemeszs: 
Zygnema Ag., 1824; (Zygogonium Kiitz., 1843:) 
cruciata (Vauch.) Ag., Syn. Alg. Scand., p. 102, 1817. 
(Conjugata cruciata Vauch., Hist. Gouteres 1803.) 
pectinatum (Vauch.,) Ag. 
Spirogyra Link, 1820: 
longete (Vauch.) Wittr., Gotl. Séttv. Alg., p. 45, 1872. 
(Conjugata longata. Vauch., Hist. Conf., 1803) 
porticalis (Vauch.) Cleve, Monog, df Zygn., p. 22, Pl, £813, 1868. 
(Conjugata porticalis Vauch., Hist. Conf., 18034).) 
maxima (Hass.) Wittr. — 
(Zygnema maxima Hass., Ann. Nat. Hist, xy p. 36%: 18422) 
(Spirag. orbicularis: (Hass:) Mititz., Spec. Alg., pe 44218493) 
