Elementary botany . It is not a difficult thing tomount them in fresh water and observe this movement. The diatoms have small chlorophyll plates, but the green color is dis-guised by a brownish pigment called diatomin. The relationships of thediatoms are uncertain, but some, because of the color, think they are re-lated to the Phaeophyceae. Class Phaeophyceae. The brown algae. (Phaeophyceae).—The members of this class pos-sess chlorophyll, but it is obscured by a brown pig-ment. The plants are accessible at the seashore,and for inland laboratories may be preserved informalin (2^ per cent). (Se
Elementary botany . It is not a difficult thing tomount them in fresh water and observe this movement. The diatoms have small chlorophyll plates, but the green color is dis-guised by a brownish pigment called diatomin. The relationships of thediatoms are uncertain, but some, because of the color, think they are re-lated to the Phaeophyceae. Class Phaeophyceae. The brown algae. (Phaeophyceae).—The members of this class pos-sess chlorophyll, but it is obscured by a brown pig-ment. The plants are accessible at the seashore,and for inland laboratories may be preserved informalin (2^ per cent). (See also Chapter LVI.) 360. Ectocarpus.—The genus Ectocarpus repre-sents well some of the simpler forms of the brownalgae (fig. 172). They are slender, filamentousbranched algae growing in tufts, either epiphytic onother marine algae (oiten on Fucaceae), or on slender threads are o::ly divided crosswise,and thus consist of long series of short cells. Thesporangia are usually plurilocular (sometimes uni-.
Size: 1036px × 2412px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthoratk, bookcentury1900, bookdecade1900, booksubjectbotany
