Plate in. 



Äkiria ochotenais sp. llo's^ 



Fi^'. ]. Plant in natural ^^ize, witli tlio npper pirt of tiie l)la(1(» cut olî. 

 Fi^'. 2. (Voss section of tlie niidrib of a youni;" frond from Tiiutaki, Sakliu- 



lin. X Ö. 

 Fif;'. •'. Cross soi-tiou of an upi)ur part of tJu^ niidrib of a matured frond 



from Aniwa Ißay. x ö. 

 Fig. 4. Cross section of a lower ])art of tlic midril» of tlie same frond, x 5. 



This is to sliow an example that the sliape of the cross sections 



of the midril) varies o\in\ in one ;ind the san»^ individual. 

 Fig. •"). Cross section oï the midril) of a matured frond from Sorenuiva, 



Sakhalin. X 5. 



