Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 319
per (Fig. 11); but in the CosmariecE,it acquires a granular, tuberculated, or even spinous surface(Fig. 75), the spines being sometimes simple and sometimesforked at their extremities.f * In Closterium lineatum, as in many of the Diatomaoece (§ 178), the act ofconjugation gives origin to two… … Cosmarmm hotrytis :—A, mature frond;B, empty frond; c, transverse view; n, spo-rangium with empty fronds. CONJUGATION OF FILAMENTOUS DESMIDIACE.E, 297 170. The mode in which conjugation takes-place in thefilamentous species constituting the Desmidiece proper, is, how- FiG. 76. A.
Microscopy
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