PLATE XXII. 
Alaria crassifolia Kjellm. 
Fig. 1. Habit of a plant from Osatsube, Prov. Oshima. x 0.26. 
Fig. 2. A mature sporophyll. x 0.5 
Fig. 3. An immature sporophyll with dentate margins and an apical 
leaflet, x 0.4. 
Fig. 4. Cross section through the midrib of the blade, x 0.5. 
Fig. 5. Cross section through the lower part of the stipe, x 1.6. 
