Fig. 3 in Georg Bojung "Scato" Lantzius-Beninga and his contributions on the anatomy of moss capsules: a transliteration from the original German texts

Fig. 3. Part of a transverse section of a capsule of Barbula tortuosa not yet completely grown, cut slightly obliquely from below to above. Part x the lower one, part y. the upper one. Here is to be seen, that the thickening of the membranes of the cell layers pp. and tt. becomes entirely partial above. Meaning of the other letters and magnification as above