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PLATE XIII. 



Sphagnum rigidum, Nees v. Esenb. 





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



-Fruit and perichaetium. Fig. 4. — Bract from same. 



-Stem leaves. Fig. s a a. — Areolation of apex of same. 



-Leaves from middle of a divergent branch. 



a. — Areolation of apex of same expanded. FiG. 6x. — Transverse section. 



Fig. 6p. — Point of same. FiG. 6c. — Cell from miJdle x 200. FiG. 6r. — 



Reticulation at back x 400. 

 -Basal intermediate leaf. 



-Leaf from a pendent branch with an antheridium. 

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

 -Var. conipactutn. 

 -Var. sguarrosum. . 



