( J. Hookeri.J 
BRITISH JUNGERMANNI^E 
REFERENCES TO THE PLATE. 
FIG. 
1 . J.Hookeri, male plant, natural size. 
2 . Female plant, - natural size. 
3. Male plant, magnified 6 
4 . Apex of a male plant, with the Anthers 4 
5 . Perigonial leaf. 2 
6. Anthers 1 
7 . Female plant, calyptra still entire 6 
8 . Female plant, with capsules 6 
9 . Extremity of a young female plant, with the germen and abortive pistilla . ... 4 
10 . Exterior view of a perichcetial leaf. 2 
11 . Interior view of the same 2 
12 . Immature seeds and spiral filaments 1 
13 . Perfect seeds 1 
14 . Spiral filaments 1 
