Tab. XXI. Arthrocarpum gracile, Balf. fil. Page 81. 



Fig. 1. Branch showing habit, and with flower and fruit. 



2. Flower. 



3. Vexillum. 



4. Ala. 



5. Carina. 



6. Flower partly dissected. 



ii 7. Flower dissected, showing tubular portion of calyx with portion of 

 andrcecium enclosing gynseceum. 



1 natural size ; rest magnified. Figures 1-5 drawn from dried specimens by Mr 

 W. H. Fitch ; figures 6 and 7 drawn by Miss Smith. 



