178 



2018. C. comatum, H. C. Wood. 



Niagara Falls. " Growing upon the ground in the marshes 

 which border the river just above the Canadian Falls." //. 

 C. Wood. 



906. ANAB.^NA, Bory. 

 2619. A. intricata, Kuetz. 



Wo lie. 



2020. A. Flos-aquae, Kuetz. 



Squaw Island, Niagara River. 



2021. A. gigantea, H. C. Wood. 



Chautauqua Lake, Aug. 1879. This Alga had been driven by 

 the winds into sheltered places along the south-western 

 shore. The immense quantities of the plant gave the water, 

 for several feet from the shore, the color of " pea soup," as 

 mentioned by //. C. Wood, of the same plant in the brick 

 yards at Philadelphia, where he discovered it. 



907. NOSTOC, Vauch. 



2622. N. comminutum, Kuetz. 



In a pond at " The Front," Buffalo, May, 18S2 ; Niagara City, 

 Ont., June, 1SS2, and elsewhere. 



2623. N. commune, Vauch. 



Niagara Falls, Oct. 28, 1SS2. Abundant on moist ground, 

 rocks, etc. Our plant agrees well with Rabenhorst's des- 

 cription except in the distance between the cells : — ours 

 having the cells not loosely, but closely connected. //. C. 

 Wood points out the same variation. 

 2024. N. caeruleum, Lyngb. 



In ponds at " The Front," Buffalo, May and June. 



2625. N. sphsericum, Vauch. 



908. PHORMIDIUM, Kuetz. 



2626. P. vulgare, Kuetz. 



Aurora, Erie Co. , Wolle. 



909. OSCILLARIA, Hose. 



2627. O. Imperator, H. C. Wood. 



Buffalo River, floating in dark, olive-colored masses, Sept , 

 1882. 



3628. O. neglecta, H. C. Wood. 



Trout pond at Gowanda, June, 1882. At various dates in 

 Niagara River, forming colored strata. 



