40 
liydrochariten-Vereinskla,sse. 
Merismopedium elegans Al. Braun. 
convohitum Brebisson. 
Chrococcus Minor (Kützing) Nägeli. 
turgidus (Kützing) Nägeli. 
Bacillariaceae. 
Navicula viridis (Nitzsch) Kützing, 
et 
var. commutata Grunow. 
» Brebissonii Kützing. 
» oblonga Kützing. 
» radiosa Kützing. 
viridula Kützing. 
» rhynchocephala Kützing. 
cryptoccphala Kützing, 
et 
var. exilis Grunow. 
» hungarica Grunow. 
» Reinhardtii Grunow. 
» Gastrum E. 
Placentula (E.) Kützing et 
var. anglica (Ralfs) Grunow. 
dicephala (E.) W. Smith. 
lanceolata Kützing, 
et 
var. arenaria Donkin. 
clliptica Kützing. 
Tuscula E. 
mutica Kützing, 
var. Goeppertiana (Bleiscii) 
Cleve & Grunow. 
integra (W. Smith) Ralfs. 
cuspidata Kützing. 
» ambigua E. 
sphaeropliora Kützing. 
scrians (Brebisson) Kützing. 
» exilis Kützing. 
amphisbaena Bory de St.-Vinc. 
limosa Kützing. 
» Iridis E., 
et 
var. amphirrhynchus E., 
var. affinis E. 
» Pcysonis Grunow, 
et 
n. var. capitata m. 
» Bacillum E. 
Navicula minima Grunow. 
» Atomus (Nägeli) Grunow. 
» minuscula Grunow. 
Stauroneis Phoenicenteron (Nitzsch) E. 
» gracilis E. 
» anceps E., 
n. forma maxima m. 
Pleurostauron Legumen (E.) Rabenhorst. 
Amphipleura pellucida (E.) Kützing. 
Pleurosigma attenuatum (Kützing) W. Sm. 
» acuminatum (Kützing) Grün. 
» Parkeri Harrison. 
scalproides Rabenhorst. 
Colletonema lacustre (C. A. Ag.) Kützing. 
Frustulia vulgaris (Thwaites) De Toni. 
Mastogloia Smithii ThWaites. 
» Grevillei W. Smith. 
Cymbella cuspidata Kützing, 
et 
var. naviculiformis Auerswald. 
amphicepliala Nägeli. 
» obtusa Gregory. 
» . affinis Kützing. 
leptoccras (E.) Rabenhorst. 
» gastroidcs Kützing 
lanceolata (E.) Kirchner. 
Cistula (Hempr.) Kützing. 
tumidä (Brebisson) van Heurck. 
Balatonis Grunow. 
Encyonema prostratum [ Berkeley) Ralfs. 
Amphora coffeaeformis (C. A. Ag.) Kütz. 
ov'alis (Brebisson) Kützing, 
et 
f. major m., 
var. gracilis E., 
var. Pediculus (Kütz.) Grunow. 
Gomphonema constrictum E., 
et 
f. curta van Huurck. 
» capitatum E. 
acuminatum E., 
et 
var. Clavus Brebisson. 
Augur E; 
montamnn Schumann, 
et 
var. subclavatum Grunow. 
