PLATE II. 



Sphagnum Portoricense, Hampe. 



Fig. a. — From a plant in Austin's collection. 

 „ I. — Part of stem with a branch fascicle. 

 n 5- — Stem leaves. Fig. ^aa. — Areolation of apex of same. 

 „ 6.— Leaf from middle of a divergent branch. Fig. 6x. — Section of same. 



Fig. 6c— Cell from middle x 200. Fig. 6b. — Leaves from base of the 



same branch. Fig. 8. — Leaf from a pendent branch. 

 „ 9*. — Part of section of stem. 

 „ 10. — Part of a branch denuded of leaves. Fig. 10a. — Cuticular cells of same. 



Fig. \ob. — The same seen laterally. Fig. iox — Transverse section of a 



branch. 



