A Somerset Heath and its Bryophytic Zonation. 87 
Fig. 6. A—C, Aneuva pinguis (L.) Dum. :—A, plant growing in the water ; 
B, plant from a moist fallow field, Aisholt, Somerset; C, plant of a fairly 
typical character. D—H, Aneura multifida (L.) Dum. :—D, type from side of a 
mountain stream, Edale, Derbyshire ; E, drawn form from the heath, Chard 
Common ; F, transverse section of the middle portion of E (the marginal 
layer is one cell thick and often consists of 2-3 rows of cells in typical plants, 
and the thickest portion of the thallus often consists of 6-7 cells) ; G, tufted 
form from the heath, Chard Common ; H, a fairly typical form from same 
locality (the branches in the middle portion have not developed owing to the com¬ 
petition of surrounding plants). Arch., archegonial branch; sp., sporogonium- 
containing calyptra. A—C, x 2; D, E, G, x 6; F, x 60; H, x 3. 
