PLATE XVIII. 
Fig. 1 
Fig. 2 
Fig. 3 
Arthroihamnus bifidus (Gmel.) Rupr. 
Habit of a mature plant from Kiritappu, Prov. Kushiro. 
Part of a young plant from the same locality as above. 
Basal part of the plant shown in Fig. 1. x 0.4. 
< 0.16. 
x 0.16. 
