PAPENFUSS: CLASSIFICATION OF THE ALGAE 141 



Family Chloramoebaceae Luther (1899, p. 19) 

 Syn.: Heterochloridaceae Pascher (1925a, p. 22) 

 Order RHIZOCHLORIDALES Pascher (1925a, p. 26) 



Family Rhizochloridaceae Pascher (1925a, p. 26) 



Family Stipitococcaceae Pascher ex G. M. Smith (1933, p. 144) 



Family Chlorarachniaceae Pascher (1937, p. 251) 



Family Chlamydomyxaceae Hieronymus, in Engler (1897, p. 570; cf. 



Hieronymus, 1905, p. 156) 



Syn.: ?Myxochloridaceae Pascher (1937, p. 256) 

 Order HETEROCAPSALES Pascher (1912b, p. 13) 



Family Chlorosaccaceae Bohliii ex Blackman et Tansley (1902, p. 217) 



Syn.: Heterocapsaceae Pascher (1912b, pp. 13, 21) 

 Family Malleodendraceae Pascher (1937, p. 301) 

 Order HETEROCOCCALES Pascher (1912b, p. 14) 



Syn.: Mischococcales Fritsch, in West (1927, pp. 300, 302) ; Xanthococcales 

 Chadefaud (1950a, p. 790) 



Family Pleurochloridaceae Pascher (1937, p. 333) 



Syn.: ?Halosphaeraceae Oltmanns (1904, p. 181); cf. Pascher (1925a, 

 p. 41; 1939, p. 910) 

 Family Chlorobotrydaceae Pascher (1925a, p. 48) 

 Syn.: Gloeobotrydaceae Pascher (1938, p. 632) 

 Family Botryochloridaceae Pascher (1938, p. 661) 

 Family Gloeopediaceae Pascher (1938, p. 696) 

 Family Mischococcaceae Pascher (1912b, p. 14) 

 Family Characiopsidaceae Pascher- (1938, p. 718) 



(Pascher [1938, pp. 718, 800-812] includes Harpochytrium in the Char- 

 aciopsidaceae. Wille [1900, p. 371] had proposed, as a nomen nudum, 

 the family Harpochytriaceae for this genus. According to Jane [1946] 

 Harpochytrium, as to type, may have to be removed to the fungi.) 

 Family Chloropediaceae Pascher (1938, p. 812) 

 Family Trypanochloridaceae Geitler (1935, p. 146) 

 Family Centritractaceae Pascher (1938, p. 830) 

 Family Sciadiaceae Borzi (1889, p. 68) 



Syn.: Chlorotheciaceae Bohlin (1897a, p. 48); Ophiocytiaceae Wille 

 (1909, p. 49) 

 Order HETEROTRICHALES Pascher (1912b, p. 18) 



Syn.: Tribonematales Pascher (1939, p. 915); Confervales Borzi (1889, p. 68), 

 not including Conferva L. (cf. Silva, 1952, p. 271); Xanthotrichales Chadefaud 

 (1950a, p. 790) 



Family Heterotrichaceae Pascher (1939, p. 916) 



Family Tribonemataceae West orth. mut. G. M. Smith (1933, p. 157) 

 Syn.: Confervaceae sensu Borzi (1889, p. 69); non Confervaceae 

 (S. F. Gray) Dumortier (1822, pp. 71, 96) 

 Order HETEROCLONIALES Pascher (1939, p. 991) 



Family Heterodendraceae Pascher (1937, p. 992) 

 Family Monociliaceae West (1916, p. 414) 



Syn.: Heteroclonlaceae Pascher (1931, p. 324) 

 Order VAUCHERIALES Bohlin (1901, p. 14) 



Syn.: Heterosiphonales Pascher (1912b, p. 21); Botrydiales Pascher (1939, 

 p. 1023) ; Xanthosiphonales Chadefaud (1950a, p. 790) 

 Family Botrydiaceae Rabenhorst (1863, p. 219) 



Syn.: Hydrogastraceae (Endl.) Rabenhorst orth. mut. De Toni (1889, 

 p. 527) 

 Family Phyllosiphonaceae Frank orth. mut. De Toni (1888, p. 449) 

 Family Vaucheriaceae (S. F. Gray) Dumortier (1822, p. 71) 



CLASS CHRYSOPHYCE.VE 

 Characterization : This class embraces forms which are attached or free-floating, 



