58 
BOTANY OF KERGUELEN ISLAND. 
Diatomopiitcba:. 
13 genera, 21 species. (2 Spec, novae, 3 Spec, incert.) 
Phtcochromophyce/'e. 
Chroocoooaccte. — 5 genera, 6 species (ab liis 1 novae, 1 incerta). 
Oscillariaceae. — 3 genera, 3 species (ab bis 2 novas, 1 forma nova). 
Xostocliaceae. — 3 genera, 10 species (ab bis 7 novae, 1 forma nova), 
llivulariaceae. — 3 genera, 5 species (ab his 2 novae, 2 formae novae). 
Scytonemaceae. — 3 genera, 4 species (ab his 1 nova, 2 formae novae). 
Sirosiphoniaceae. — 1 genus, 5 species (ab his 4 novae, 1 forma nova). 
Chlorophyllopuyce.e. 
Palmellaceae. — 7 genera, 9 species (2 novae formae). 
Protococcaceae. — 4 genera, 5 species (1 genus novum, 1 species nova). 
Volvocineae. — 1 genus, 1 species. (Spec, nova?) 
Desmidieae. — 4 genera, 5 species (1 nova, 3 formae novae). 
Zygnemeae. — 4 genera, 7 species (1 nova, 1 forma nova). 
Vaucheriaceae. — 3 genein, 6 species (2 novae). 
Ulvaceae. — 1 genus, 1 species. 
Oedogoniaceae. — 2 genera, 6 species (2 species incertae). 
Chaetophoraoeae. — 7 genera, 10 species. 
a. Chaetophoreae. — 4 genera, 6 species (1 genus novum, 5 species novae, 
1 forma nova). 
h. Gongrosireae. — 3 genera, 4 species (1 nova). 
Rhodophycea:. 
1 genus, 1 species nova. 
Melanopuycea:. 
1 genus novum, 1 species nova. 
Dl ATOMOPHYCE a; . * 
1. Stauroneis goeppertiana, Bleisoh; Bahenhorst Alg. Europ. Nr. 182; 
specimina kerguelenensia accuratissime consentiunt in magnitudine ac forma 
cellularum cum speciminibus Silesiaois in Collect. Algar. Eabenhorst. communi- 
catis. Areola transversalis in speciminibus Silesiacis pliirimis paulo est angus- 
* Materiam enumerationis Diatoraacearmn in ampuUula majore reperi in singulis terrosis corpusculis 
Juris radiculis Nitella antarcticcE partim adluBrentibus partim in liquore fluitantibus. 
