. Fig. 253. A, D Cymbella (Cocconima) lanceolata (Ehrenb.) Kirclin. — B C. cymbiformis (Kütz.) Bre"b. var. parva W. 8m. A Schalen-, 11 (Türtelansicht; D Auxosporenbildung in gestieltem Nest. — C. gastroidex Kütz., Transversalschnitt. (A, B, C350/1, D S5|l.) {A, B, D nach W. Smith; C nach Pfitzer.)

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1901