55 
2. Desmidiinae: Gonidium, Pediastrum, Scene- 
desmus, Desmidium et affinia. 
3. Dia to minae : Microtheca, Cyclotella, Frustu- 
lia, Eunotia, Cocconeis; Exilaria, Licmophora, Gom- 
phonema, Cocconema (Cymbophora) , Achnanthes, 
Isthmia, Biddulphia, Diatoma, Meridion, Fragilla- 
ria, Gaillonella. 
4. Scbizoneminae: Berkeleya Grev, Encyone- 
ma, Schizonema, Homaeocladia, Micromega. 
O. II. CoNFERVACEAE. 
5. Leptomitinae : Hygrocrocis, Leptomitus, A- 
chlya et aff. (an Torulinis v. Sporodinis associandae?). 
6. Oscillariinae : Oscillaria, Microcoleus, Sphae- 
rozyga?, Anabaina, Lyngbya, Calothrix, Scytonema 
et aff. 
7. Confervinae: Sphaeroplea? MicrodictyonD-ne, 
Conferva, Nodularia Mert.; — Hydrodictyon, Dyctyo- 
nema et aff. 
8. Zygn eminae: Spirogyra, Zygnema, Tendari- 
dea, Mougeotia. 
O. III. Nostocaceae. 
9. Protococcinae: Crypto-Protococcus, Chloro- 
coccum, Micraloa, Palmella et aff. 
10. Nostochinae: Haematococcus, Phytoconis, 
Coniobyrsa, Nostoc et aff. 
11. Rivulariinae: Gloiotrichia , Rivularia, Zo- 
notrichia, Diplotrichia. 
12. Chaetophorinae : Bulbochaete, Chaetopho- 
ra, Hydrurus; Myxonema Fr. , Draparnaldia, Ba- 
tracliospermum. 
O. IV. Ulvaceae. 
13. Ulvinae: Tetraspora, Bangia, Enteromor- 
pba. Ulva, Porphyra. 
14. Flabellariinae : Anadyomene, Flabellaria. 
