52 OUTLINES OF PLANT LIFE. 



Examine sporophyte with mature capsule. Observe 



9. The slender seta. 



10. The thin yellow inverted capsule, from whose end a piece has 

 fallen leaving it open. (^ 274, fig. 46.) 



11. About the edge of the capsule a fringe of pointed projections, 

 teeth, curved inward, constituting Vt\^ peristome. Break off these outer 

 teeth and notice the pale fringed membrane within, forming the inner 

 peristome or endostome. (Figs. 46, 148.) 



12. Among these, or to be pressed out of capsule, many fine spores. 

 Examine young sporophytes of this or other mosses. Observe 



13. The cylindrical form of the embryo sporophyte. 



14. The hood covering its apex and carried up by it until the develop- 

 ing capsule forces it off. 



15. The lid which falls off to open capsule. 



