PLATE XVII. 

 Sphagnum strictum, Lindb. 



Fig. a.— Female plant. Fig. $ .-Male plant, 

 i —Part of stem with a branch fascicle. 

 " n b -Bract from male inflorescence with antheridium. 

 " 3 -Fruit and perichstium. Fig. 4 .-Bract from same. 

 " 4 a.-Apex of same expanded. Fig. 5 .-Stem leaves. 



e a a .— Areolation of apex of same. 

 " 6.-Leaves from a divergent branch. FlG. 6/.-Pomt of same. 



6c— Cells from middle x 200. 

 „ 6*.— Transverse section. 

 7.— Basal intermediate leaf. 

 qx. — Part of section of stem. 

 jo —Part of a branch denuded of leaves. 



