PLATE IV. 



Sphagnum papillosum, Lindb. 



FIG. a.— Female plant. Fig. a $ .—Part of male plant. 

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

 „ 2. — Male inflorescence. FlG. lb.— Bract from same. 

 „ 3.— Fruit with its perichaetium. FlG. 4.— Bract from same. 

 „ 4 3 a. — Areolation of basal wing of same. 

 „ 5. — Stem leaf. 

 „ 6.— Branch leaf. FlG. 6/. — Point of same. FlG. 6x. — Transverse section. 



Fig. 6 a a.— Areolation of half of apex, expanded under pressure. Fig. 6c— 



Cell x 200. 

 „ 6 cl.— Hyaline cell seen from the side in adhesion to the wall of the chlorophyllose 



cell (Lindberg). 

 „ 6y. — Branch leaf of var. stenophyllum. 

 „ 7. — Basal intermediate leaves. 

 „ gx.— Part of section of stem. Fig. gc— Outer cuticular cells of same. 



