Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 335
variably with the Zygne-macece, § 199), conjugate with each other; and this may take 312 MICEOSCOPIC FOEILS OF VEGETAJBLE LIFE. place even before they liave been completely separated byself-division. Thus in Meloseira (§ 188) and its allies, theendochrome of particular frustules, after separating… … Self-Conjugation of Atdacoseira cremdata:—1, simple filament;2, filament developing sporangia; a, b, c, successive stages in theformation of sporangia; 3, embryonic frustules, in successive stages,a, b, c, of multiplication, around this a new envelope is developed, which may or may notresemble that…
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