PLATE XIII. 



Sphagnum rigidum, Nees v. Esenb. 



Fig. a. — Fertile plant. Fig. i. — Part of stem with a branch fascicle. 

 „ 3. — Fruit and perichaetium. Fig. 4. — Bract from same. 



5. — Stem leaves. Fig. 5 a a. — Areolation of apex of same. 

 „ 6. — Leaves from middle of a divergent branch. 

 „ da a. — Areolation of apex of same expanded. Fig. dx. — Transverse section. 



Fig. dp. — Point of same. Fig. 6c. — Cell from middle x 200. Fig. dr. — 



Reticulation at back x 400. 

 „ 7. — Basal intermediate leaf. 



„ 8. — Leaf from a pendent branch with an antheridium. 

 „ gx. — Part of section of stem. Fig. 10. — Part of a branch denuded of leaves. 

 „ /3. — Var. compactum. 

 „ y. — Var. sguarrosum. 



