CXXXVI. PONTEDERIACE^E. 559 



Tribe VIII. — Johnsonie^e. 

 Tricoryne, R. Br. 



platyptera, Reichb. (Fig. 539.) 



anceps, R.Br. (Fig. 540.) 



muricata, Baker. 



elatior, R. Br. 



simplex, R. Br. 

 Laxmannia, R. Br. 



gracilis, R. Br. =BartHngia gracilis, F. v. M. 

 Borya, Labill. 



septentrionalis, F. v, M. — The tufts of young leaf-growth are 

 of a pretty pink colour. 

 Sowerbaea, Sm. 



juncea, Sm. 



Tribe IX. — Allied. 

 "Xothoscordum, Kunth. 



fragrans, Kunih. — North America. 



Tribe X. — Anguillarie^e. 

 Burchardia, R. Br. 



umbellata, R. Br. 

 Anguillaria, R. Br. 



dioica, R. Br. = Wurmbsea dioica, F. v. M. 

 Iphigenia, Kunth. 



indica, Kunth. 



Tribe XI. — Uvularie^e. 

 Schelhammera, R. Br. 



multiflora, R. Br. 



pedunculata, F.v.M. (Fig. 541.) 

 Kreysigia, Reichb. 



multiflora, Reichb. 



Order CXXXVI.— PONTEDERIACEJE. 



*Pontederia, Willd. 



cordata, Pursh. — Pickerel weed. An American plant met 

 with as a stray from cultivation. 

 *Eichhornia, Kunth. 



speciosa, Kunth. Water Hyacinth ; a noxious and now wide- 

 spread water-weed. South America. 

 Monochoria, Presl. 



cyanea, F.v.M. (Fig. 542.) 



