THE NATURALIST, 1907. PLATE V. 
Fig. 1.—Various species of Frullania, seen from lower surface, magnified. 
A, F. tamarisci ; B, F. dilatata (the underleaves removed); C, F. repandistipula ; 
D, F. ringens; €, F. arecae; F, F. ecklonit. 
Fig. 3. 
A. Diagram to show the Barly divisions in the segments 
(see Fig. 2); S, S, S, are the cells which contribute to the 
stem; Lr, L2, L3, form respectively the lobe, lobule, and 
Fig. 2. aot ene stylus of a sideleaf ; A, A the two lobes of an underleaf. 
. 3 ‘ B. Leaf of F. dilatata grown in moist surroundings ; the lobule 
X, is the apical cell of the main axis; the has remained flat instead of forming a pitcher. C. Cross- 
last nine segments cut from it are numbered; section of F. dilatata, showing stem, lobe, pitcher, stylus 
X1, X2, are the apical cells of branches. and underleaf. 
