— 166 — 
Mischococcus confervicola Naeg. — Mougeotia punctata Wittr. — Nostoc 
verrucosum Vaueh. — Oocystis ciliata Lagerh. et var. amphitricha Lagerh. 
— Oocystis submarina Lagerh. — Oscillaria sancta Kütz. for. caldariorum 
(Hauck) Lagerh. — Palmella miniata Leibl. — Pediastrum asperum A. 
Br. — Pediastrum biradiatum Mey. — Penium adelochondrum Elfv. — 
Penium minutum (Ralfs) Cleve — Phacotiis lenticularis (Ehrenb.) Stein. 
— Pleurococcus pachydermus Lagerh. — Polyedrium minimum A. Br. — 
Polyedrium muticum A. Br. — Porphyridium cruentum (Ag.) Naeg. — 
Bhodococcus caldariorum Hansgirg. — Scenedesmus Hystrix Lagerh. — 
Sphaerella pluvialis (Flotow) Wittr. — Spirogyra mirabilis (Hass.) Kütz. 
— Spirulina versicolor Cohn. — Staurastrum brachiatum Ralfs. — 
Staurastrum cyrtocerum Breb. — Staurastrum spongiosum Breb. var. 
Griffithsianum (Naeg.) Lagerh. — Stephanosphaera pluvialis Cohn. — 
Stigeoclonium gracile Kütz. — Stigonema saxicolum Naeg. — Syne-- 
chococcus major Schrœt. — Trentepohlia De Baryana {Rabenh.) Wille. 
Vaucheria dichotoma Dillw. — Volvox minor Stein. 
Ebert Tll, — Beitrage zur Diatomeenfiora der Umgegend 
von Cassel. (1). [46]. 
Achnanthidium lanceolatum Kütz. 
— appendiculata Kütz. 
— microcephalum Kütz. 
— binodis Ehrenb. 
Amphora. ovalis Kütz. 
— (Jarassius Ehrenb. 
Cocconeis minor Kütz. 
— cryptocephala Kütz. 
— Pediculus Ehrenb. 
— lanceolata Kütz. (non Sm.). 
— Placentula Ehrenb. 
— mesolepta Ehrenb. 
— punctata Ehrenb. 
— pachycephala Rabenh. 
— striata Ehrenb. 
— Semen Ehrenb. ? 
Cocconema cistula Ehrenb. 
Odontidium turgidulum Kütz. 
— cymbiforme (Kütz.) Ehrenb. 
Pinnularia amphirhynchus Rabenh. 
— gastroides. Kütz. 
— decurrens Ehrenb. 
— gibbum Ehrenb. 
— Ehrenbergii Rabenh. 
— maculatum Breb. 
— elliptica Rabenh. 
Cyclotella Meneghiniana Kütz. 
— gastrum Ehrenb. 
— operculata (Ag.) Kütz. 
— gibba Ehrenb. 
Cymbeila affinis Kütz. 
— hemiptera (Kütz.) Rabenh. 
— amphicephala Naeg. 
— limosa Rabenh. 
— cuspidata Kütz. 
— longa Gregory. 
• — ? flexella Kütz. 
— major Rabenh. 
— lunula Rabenh. 
— nobilis Ehrenb. 
(1) Nel lavoro originale le specie sono disposte in ordine sistematico. 
