LITE HISTORY OF A MOSS 
207 
FIG. 150. A moss ( Tetraphis sp.), showing gemmae ;G, a gemma enlarged. 
(Cf. Fig. 151.) 
FIG. 151. Photomicrograph of a longitudinal section of a moss 
(Telr aphis), showing gemmae (g). (Cf. Fig. 150.) 
