239 



884. PALMOGLCEA, Kuetz. 



2579. P. , (?) 



Gowanda, Erie Co., June, 1SS2. 



885. VOLVOX, L. 



2580. V. Globator, L. 



Everywhere about Buffalo, in ponds and ditches. Especially 

 abundant in autumn with Chara fragilis. 



886. PEDIASTRUM, Meyen. 



2581. P. Boryanum, Menegh. 



887. HYDRODICTYON, Roth. 



2582. H. utriculatum, Roth. 



Immense quantities are in Niagara River, at the head of Squaw 

 Island, and Scajauquady's Creek, in autumn. 



888. SCENEDESMUS, Meyen. 



2583. S. quadricauda, Breb. 



2584. S. acutus, Meyen., var obliquus, Rabenh. 



2585. S. obtusus, Meyen. 



Rare. On wall of old mill, Black Rock harbor, North Buffalo. 



8S9. DICTYOSPH^ERIUM, Naeg. 



2586. D. pjilchellum, H. C. Wood. 



In a swamp at Springville, Erie Co., June. 



S90. HORMOSPORA, Br6b. 



2587. H. geminella, Wolle. 



In pools of exposed water, Buffalo. Wolle. {Bull. Torr. 

 Bot. Club, Vol. VI, p. 140.) 



891. RHAPHIDIUM, Kuetz. 



2588. R. polymorphum, Fresen. 



In the Buffalo City water supply, and elsewhere. 



892. TETRASPORA, Link. 



2589. T. lubrica, Agardh. 



Rivers and ponds in early summer. Abundant. 



893. PALMELLA, Lyngb. 



2590. P. miniata, Leibl. 



Wet earth at Black Rock, (North Buffalo), June, 1882. 



