. Fig. 320.â gunnerae. Longitudinal sections through a gland in stem of Ounnera macrophylla. c, Epidei'mis; â â <, slime-canal; no, colony of Nostoc. (After Marker.) The Nostoc finds its way into the gland as soon as the epidermis is broken, apparently attracted there by some secretion. Merker found that the Nostoc filaments pass down ^ Merker, " Gimnera macrophy/la," Inaugural Dissertation, 1888.

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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi