. Introduction to cryptogamic botany. Cryptogams. Fig. 30. a. Micrasterias denticulata, Br6b. h. Scenedesmus quadrioaudatus, Turp., after Mr. Ralfs, both shewing the origin of the new half cells. c. Threads of Nostoc verrucosum, after Thuret. All more or less magnified. Fig. 31. Pe7iium Jenneri, Ealfs, -ndth its spore magnified. From Mr. Fig. 32. Closlerium aculum, Br6b., free and in conjugation, magni- fied. From Mr. Ealfs. Fig. 33. a. Eiiastrum ele- gans, Kiitz. b. Spore of the same, magnified. From Mr. Ealfs. * Ealfs' British Desmidiacese, 8vo. Please note that these images a

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. Introduction to cryptogamic botany. Cryptogams. Fig. 30. a. Micrasterias denticulata, Br6b. h. Scenedesmus quadrioaudatus, Turp., after Mr. Ralfs, both shewing the origin of the new half cells. c. Threads of Nostoc verrucosum, after Thuret. All more or less magnified. Fig. 31. Pe7iium Jenneri, Ealfs, -ndth its spore magnified. From Mr. Fig. 32. Closlerium aculum, Br6b., free and in conjugation, magni- fied. From Mr. Ealfs. Fig. 33. a. Eiiastrum ele- gans, Kiitz. b. Spore of the same, magnified. From Mr. Ealfs. * Ealfs' British Desmidiacese, 8vo. 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 Berkeley, M. J. (Miles Joseph), 1803-1889. London, New York, H. Bailliere; [etc. ,etc]

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Keywords: ., bookauthorberkeley, bookcentury1800, bookdecade1850, bookyear1857