. Essentials of botany. Botany; Botany. THE 219 SPIROGYRA, —ONE OF THE CONJUGATING ALG^E 278. Occurrence. — Spirogyra, one of the commonest of the plants known as pond-scums, occurs widely distributed throughout the country in ponds, springs, and clear, slow streams. It is of a bright green color (yellowish green when producing spores). In warm sunny weather the masses usu- ally float, buoyed up by the. Fig. 153. A Group of Diatoms. A,Achnanthes; B,Cocconema; C, Merid- ian; D, Please note that these images are extracted from scanned page images that may have been digitally
. Essentials of botany. Botany; Botany. THE 219 SPIROGYRA, —ONE OF THE CONJUGATING ALG^E 278. Occurrence. — Spirogyra, one of the commonest of the plants known as pond-scums, occurs widely distributed throughout the country in ponds, springs, and clear, slow streams. It is of a bright green color (yellowish green when producing spores). In warm sunny weather the masses usu- ally float, buoyed up by the. Fig. 153. A Group of Diatoms. A,Achnanthes; B,Cocconema; C, Merid- ian; D, 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1908
