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 

 {Tetraphis), showing gemmae (g). (Cf. Fig. 150.) 



