Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 643
vated upon a stalk; and this at length tears across the wallsof the flask-shaped archegone by a circular fissure, carrying thehigher part upwards on its summit as a calypter or hood (fig. 450,B, c), while the lower part remains to form a kind of collar roundthe base of the stalk, known as the… … Fig. 452.—Mouth of sporange of Funaria, Fig. 453— Double peristome showing the peristome in situ. of Fontinalis antipyretica. are mature, so as to give them free exit; and the mouth thus laidopen is surrounded, in many mosses, by a beautiful toothed fringe,which is termed the peristome. This…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
