. Fresh-water biology. Freshwater biology. THE FRESH-WATER ALGAE 177 Plant an unbran 8 (i) Plant an unbranched filament of one or more rows or cells. Bangia Lyngbye. Structure simple, hair-like; color of different shades of red; attached at one end. Found usually in rapidly-flowing water on wood and stones. FlO. 253. Bangia atro-purpurea Agardh. X 225. (After Kiitzing.) IMPORTANT REFERENCES ON NORTH AMERICAN FRESH- WATER ALGAE Collins, F. S. 1909. The Green Algae of North America. Tufts College Stud., Vol. II, No. 3. 1912. Supplement. Tufts College Stud., Vol. Ill, No. 2. Conn, H. W. and Webst
. Fresh-water biology. Freshwater biology. THE FRESH-WATER ALGAE 177 Plant an unbran 8 (i) Plant an unbranched filament of one or more rows or cells. Bangia Lyngbye. Structure simple, hair-like; color of different shades of red; attached at one end. Found usually in rapidly-flowing water on wood and stones. FlO. 253. Bangia atro-purpurea Agardh. X 225. (After Kiitzing.) IMPORTANT REFERENCES ON NORTH AMERICAN FRESH- WATER ALGAE Collins, F. S. 1909. The Green Algae of North America. Tufts College Stud., Vol. II, No. 3. 1912. Supplement. Tufts College Stud., Vol. Ill, No. 2. Conn, H. W. and Webster, L. W. 1908. A Preliminary Report on the Algae of Fresh Water of Connecticut. State Geol. Nat. Hist. Surv., Bull. No. 10. De Toni, J. B. 1887-1907. Sylloge algarum omnium hucusque cognitarum. Vol. I, Chlorophyceae. Vol. II, Bacillariaceae. Padua. Engler, Ad. and Prantl, K. A. E. 1887-1909. Die naturlichen Pflanzenfa- miMen. 4V. in 17. Leipzig. Hazen, T. E. 1902. The Ulothricaceae and Chaetophorae of the United States. Mem. Torrey Bot. Club, Vol. XI. Pascher, a. 1912. (See list in Chapter I.) Saunders, D. 1894. Protophyta-Phycophyta. Flora of Nebraska, i: 15- 68. Lincoln. Tilden, J. E. 1909. Minnesota Algae (Schizophyceae). Minn. Bot. Survey. Transeau, E. M. 1913. Annotated List of the Algae of Eastern Illinois. III. Acad. Sci., 6:69-89. Van Heurck, H. 1896. A Treatise on the Diatomaceae. London. West, G. S. 1904. (See list in Chapter V.) West, W. and G. S. 1904-1912. A Monograph of the British Desmidiaceae. 4V. Ray Soc. PubL, Vol. 42. London. Wolle, Francis. 1884. Desmids of the United States. 1887. Fresh-water Algae of the United States. 2V. Text and Atlas. Bethlehem, Pa. i8go. Diatomaceae of North America. Bethlehem, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ward, Henry Baldwin, 1865-1945; Wh
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