BY A. A. HAMILTON. 513 



Plate xxviii. 

 Pig.23. — Triglochin striata Ruiz, et Pav. Variation in height re- 

 presented by relative degree of submergence. 

 Fig. 24. — Melilotus parviflora Desf. Stunted plants on salt plain 

 1-1$ in. high. Normal height 3-4 ft. 



Plate xxix. 

 Fig.25.—Selliera radicals Cav. 1. Growth luxuriant, few flowered. 



2. Growth densely appressed, floriferous. 

 Fig. 26. — Swamp Oak ( Casuarina glauca Sieb.). 



Plate xxx. 

 Fig.27.— -Juncus maritimus Lam. var. australiensis. Rhizome short. 



Inflorescence clustered . 

 Fig.28. — Cladium junceum R. Br. Rhizome elongated. Inflorescence 

 few flowered. 



